21131448
21,131,448 is an even composite number composed of five prime numbers multiplied together.
21131448 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21131448:
23 × 3 × 13 × 89 × 761
(2 × 2 × 2 × 3 × 13 × 89 × 761)See below for interesting mathematical facts about the number 21131448 from the Numbermatics database.
Names of 21131448
- Cardinal: 21131448 can be written as Twenty-one million, one hundred thirty-one thousand, four hundred forty-eight.
Scientific notation
- Scientific notation: 2.1131448 × 107
Factors of 21131448
Divisors of 21131448
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 8 12 13 24 26 39 52 78 89 104 156 178 267 312 356 534 712 761 1068 1157 1522 2136 2283 2314 3044 3471 4566 4628 6088 6942 9132 9256 9893 13884 18264 19786 27768 29679 39572 59358 67729 79144 118716 135458 203187 237432 270916 406374 541832 812748 880477 1625496 1760954 2641431 3521908 5282862 7043816 10565724 21131448
- Sum of all divisors σ(n): 57607200
- Sum of proper divisors (its aliquot sum) s(n): 36475752
- 21131448 is an abundant number, because the sum of its proper divisors (36475752) is greater than itself. Its abundance is 15344304
Bases of 21131448
- Binary: 10100001001110000101110002
- Hexadecimal: 0x14270B8
- Base-36: CKX4O
Squares and roots of 21131448
- 21131448 squared (211314482) is 446538094576704
- 21131448 cubed (211314483) is 9435996525566702587392
-
The
square root of 21131448 is 4596.8954741217 -
The
cube root of 21131448 is 276.4668636927
Scales and comparisons
How big is 21131448?- 21,131,448 seconds is equal to 34 weeks, 6 days, 13 hours, 50 minutes, 48 seconds.
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To count from 1 to 21,131,448 would take you about two days!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21131448 cubic inches would be around 23 feet tall.
Recreational maths with 21131448
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The information we have on file for 21131448 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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