21331590
21,331,590 is an even composite number composed of six prime numbers multiplied together.
21331590 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21331590:
2 × 3 × 5 × 7 × 157 × 647
See below for interesting mathematical facts about the number 21331590 from the Numbermatics database.
Names of 21331590
- Cardinal: 21331590 can be written as Twenty-one million, three hundred thirty-one thousand, five hundred ninety.
Scientific notation
- Scientific notation: 2.133159 × 107
Factors of 21331590
Divisors of 21331590
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 157 210 314 471 647 785 942 1099 1294 1570 1941 2198 2355 3235 3297 3882 4529 4710 5495 6470 6594 9058 9705 10990 13587 16485 19410 22645 27174 32970 45290 67935 101579 135870 203158 304737 507895 609474 711053 1015790 1422106 1523685 2133159 3047370 3555265 4266318 7110530 10665795 21331590
- Sum of all divisors σ(n): 58973184
- Sum of proper divisors (its aliquot sum) s(n): 37641594
- 21331590 is an abundant number, because the sum of its proper divisors (37641594) is greater than itself. Its abundance is 16310004
Bases of 21331590
- Binary: 10100010101111110100001102
- Hexadecimal: 0x1457E86
- Base-36: CP7K6
Squares and roots of 21331590
- 21331590 squared (213315902) is 455036731928100
- 21331590 cubed (213315903) is 9706657000430138679000
-
The
square root of 21331590 is 4618.6134282921 -
The
cube root of 21331590 is 277.3369547857
Scales and comparisons
How big is 21331590?- 21,331,590 seconds is equal to 35 weeks, 1 day, 21 hours, 26 minutes, 30 seconds.
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To count from 1 to 21,331,590 would take you about six 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 21331590 cubic inches would be around 23.1 feet tall.
Recreational maths with 21331590
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The information we have on file for 21331590 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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