21991331120
21,991,331,120 is an even composite number composed of six prime numbers multiplied together.
21991331120 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21991331120:
24 × 5 × 11 × 19 × 79 × 16649
(2 × 2 × 2 × 2 × 5 × 11 × 19 × 79 × 16649)See below for interesting mathematical facts about the number 21991331120 from the Numbermatics database.
Names of 21991331120
- Cardinal: 21991331120 can be written as Twenty-one billion, nine hundred ninety-one million, three hundred thirty-one thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.199133112 × 1010
Factors of 21991331120
Divisors of 21991331120
- Number of divisors d(n): 160
-
Complete list of divisors:
1 2 4 5 8 10 11 16 19 20 22 38 40 44 55 76 79 80 88 95 110 152 158 176 190 209 220 304 316 380 395 418 440 632 760 790 836 869 880 1045 1264 1501 1520 1580 1672 1738 2090 3002 3160 3344 3476 4180 4345 6004 6320 6952 7505 8360 8690 12008 13904 15010 16511 16649 16720 17380 24016 30020 33022 33298 34760 60040 66044 66596 69520 82555 83245 120080 132088 133192 165110 166490 183139 264176 266384 316331 330220 332980 366278 632662 660440 665960 732556 915695 1265324 1315271 1320880 1331920 1465112 1581655 1831390 2530648 2630542 2930224 3163310 3479641 3662780 5061296 5261084 6326620 6576355 6959282 7325560 10522168 12653240 13152710 13918564 14467981 14651120 17398205 21044336 24990149 25306480 26305420 27837128 28935962 34796410 49980298 52610840 55674256 57871924 69592820 72339905 99960596 105221680 115743848 124950745 139185640 144679810 199921192 231487696 249901490 274891639 278371280 289359620 399842384 499802980 549783278 578719240 999605960 1099566556 1157438480 1374458195 1999211920 2199133112 2748916390 4398266224 5497832780 10995665560 21991331120
- Sum of all divisors σ(n): 59460480000
- Sum of proper divisors (its aliquot sum) s(n): 37469148880
- 21991331120 is an abundant number, because the sum of its proper divisors (37469148880) is greater than itself. Its abundance is 15477817760
Bases of 21991331120
- Binary: 101000111101100100100010101001100002
- Hexadecimal: 0x51EC91530
- Base-36: A3P2JOW
Squares and roots of 21991331120
- 21991331120 squared (219913311202) is 483618644429480454400
- 21991331120 cubed (219913311203) is 10635417745454248162278460928000
-
The
square root of 21991331120 is 148294.7440740905 -
The
cube root of 21991331120 is 2801.6712437783
Scales and comparisons
How big is 21991331120?- 21,991,331,120 seconds is equal to 699 years, 13 weeks, 2 days, 7 hours, 5 minutes, 20 seconds.
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To count from 1 to 21,991,331,120 would take you about one thousand, three hundred ninety-eight 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 21991331120 cubic inches would be around 233.5 feet tall.
Recreational maths with 21991331120
- 21991331120 backwards is 02113319912
- The number of decimal digits it has is: 11
- The sum of 21991331120's digits is 32
- More coming soon!
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