21488
Number 21488: Properties, Factors, and Mathematical Facts
Short answer
The number 21488 is an even composite number with 20 positive divisors. Its prime factorization is 2⁴ × 17 × 79. It is also an abundant number, which gives it several notable mathematical relationships.
Is 21488 prime?
ClassificationCompositeParityEvenDivisor count20AbundanceAbundant
What is the prime factorization of 21488?
Prime factorization
2 to the power of 4 times 17 times 79
What are the divisors of 21488?
Divisor count
20
Divisor sum
44,640
Proper divisor sum
23,152
- 1
- 2
- 4
- 8
- 16
- 17
- 34
- 68
- 79
- 136
- 158
- 272
- 316
- 632
- 1264
- 1343
- 2686
- 5372
- 10744
- 21488
How is 21488 classified?
How is 21488 represented in other numeral systems?
Decimal
21488
Binary
101001111110000
Octal
51760
Hexadecimal
53F0
Roman
No conventional Roman numeral
In words
twenty one thousand four hundred eighty eight
Roots and powers
Square root
146.587858 Approximate
Cube root
27.801315 Approximate
Nearest lower square
21316
Nearest higher square
21609
Nearest lower cube
19683
Nearest higher cube
21952
What are the digit properties of 21488?
Which numbers are related to 21488?
Why these results are true
- 21488 is composite because it has positive divisors other than 1 and itself.
- 21488 is abundant because the sum of its proper divisors (23152) is greater than 21488.
Compare this number
FAQ for 21488
- Is 21488 prime?
- No
- What is the prime factorization of 21488?
- 2⁴ × 17 × 79
- Is 21488 a perfect square?
- No
- What is 21488 in binary?
- 101001111110000