21312531072
21,312,531,072 is an even composite number composed of five prime numbers multiplied together.
21312531072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21312531072:
27 × 32 × 7 × 109 × 24247
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 109 × 24247)See below for interesting mathematical facts about the number 21312531072 from the Numbermatics database.
Names of 21312531072
- Cardinal: 21312531072 can be written as Twenty-one billion, three hundred twelve million, five hundred thirty-one thousand and seventy-two.
Scientific notation
- Scientific notation: 2.1312531072 × 1010
Factors of 21312531072
Divisors of 21312531072
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 109 112 126 128 144 168 192 218 224 252 288 327 336 384 436 448 504 576 654 672 763 872 896 981 1008 1152 1308 1344 1526 1744 1962 2016 2289 2616 2688 3052 3488 3924 4032 4578 5232 6104 6867 6976 7848 8064 9156 10464 12208 13734 13952 15696 18312 20928 24247 24416 27468 31392 36624 41856 48494 48832 54936 62784 72741 73248 96988 97664 109872 125568 145482 146496 169729 193976 218223 219744 290964 292992 339458 387952 436446 439488 509187 581928 678916 775904 872892 878976 1018374 1163856 1357832 1527561 1551808 1745784 2036748 2327712 2642923 2715664 3055122 3103616 3491568 4073496 4655424 5285846 5431328 6110244 6983136 7928769 8146992 9310848 10571692 10862656 12220488 13966272 15857538 16293984 18500461 21143384 21725312 23786307 24440976 27932544 31715076 32587968 37000922 42286768 47572614 48881952 55501383 63430152 65175936 74001844 84573536 95145228 97763904 111002766 126860304 148003688 166504149 169147072 190290456 195527808 222005532 253720608 296007376 333008298 338294144 380580912 444011064 507441216 592014752 666016596 761161824 888022128 1014882432 1184029504 1332033192 1522323648 1776044256 2368059008 2664066384 3044647296 3552088512 5328132768 7104177024 10656265536 21312531072
- Sum of all divisors σ(n): 70736265600
- Sum of proper divisors (its aliquot sum) s(n): 49423734528
- 21312531072 is an abundant number, because the sum of its proper divisors (49423734528) is greater than itself. Its abundance is 28111203456
Bases of 21312531072
- Binary: 100111101100101001101101010100000002
- Hexadecimal: 0x4F6536A80
- Base-36: 9SGXI80
Squares and roots of 21312531072
- 21312531072 squared (213125310722) is 454223980694965469184
- 21312531072 cubed (213125310723) is 9680662702208979715951058485248
-
The
square root of 21312531072 is 145988.1196262215 -
The
cube root of 21312531072 is 2772.5433365831
Scales and comparisons
How big is 21312531072?- 21,312,531,072 seconds is equal to 677 years, 34 weeks, 6 days, 19 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,312,531,072 would take you about one thousand, three hundred fifty-five years!
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 21312531072 cubic inches would be around 231 feet tall.
Recreational maths with 21312531072
- 21312531072 backwards is 27013521312
- The number of decimal digits it has is: 11
- The sum of 21312531072's digits is 27
- More coming soon!
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The information we have on file for 21312531072 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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