12721857408
12,721,857,408 is an even composite number composed of five prime numbers multiplied together.
12721857408 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 12721857408:
27 × 34 × 13 × 37 × 2551
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 13 × 37 × 2551)See below for interesting mathematical facts about the number 12721857408 from the Numbermatics database.
Names of 12721857408
- Cardinal: 12721857408 can be written as Twelve billion, seven hundred twenty-one million, eight hundred fifty-seven thousand, four hundred eight.
Scientific notation
- Scientific notation: 1.2721857408 × 1010
Factors of 12721857408
Divisors of 12721857408
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 37 39 48 52 54 64 72 74 78 81 96 104 108 111 117 128 144 148 156 162 192 208 216 222 234 288 296 312 324 333 351 384 416 432 444 468 481 576 592 624 648 666 702 832 864 888 936 962 999 1053 1152 1184 1248 1296 1332 1404 1443 1664 1728 1776 1872 1924 1998 2106 2368 2496 2551 2592 2664 2808 2886 2997 3456 3552 3744 3848 3996 4212 4329 4736 4992 5102 5184 5328 5616 5772 5994 7104 7488 7653 7696 7992 8424 8658 10204 10368 10656 11232 11544 11988 12987 14208 14976 15306 15392 15984 16848 17316 20408 21312 22464 22959 23088 23976 25974 30612 30784 31968 33163 33696 34632 38961 40816 42624 44928 45918 46176 47952 51948 61224 61568 63936 66326 67392 68877 69264 77922 81632 91836 92352 94387 95904 99489 103896 122448 127872 132652 134784 137754 138528 155844 163264 183672 184704 188774 191808 198978 206631 207792 244896 265304 275508 277056 283161 298467 311688 326528 367344 377548 383616 397956 413262 415584 489792 530608 551016 554112 566322 596934 623376 734688 755096 795912 826524 831168 849483 895401 979584 1061216 1102032 1132644 1193868 1227031 1246752 1469376 1510192 1591824 1653048 1662336 1698966 1790802 2122432 2204064 2265288 2387736 2454062 2493504 2548449 2686203 2938752 3020384 3183648 3306096 3397932 3581604 3681093 4244864 4408128 4530576 4775472 4908124 4987008 5096898 5372406 6040768 6367296 6612192 6795864 7163208 7362186 7645347 8816256 9061152 9550944 9816248 10193796 10744812 11043279 12081536 12734592 13224384 13591728 14326416 14724372 15290694 18122304 19101888 19632496 20387592 21489624 22086558 26448768 27183456 28652832 29448744 30581388 33129837 36244608 38203776 39264992 40775184 42979248 44173116 54366912 57305664 58897488 61162776 66259674 78529984 81550368 85958496 88346232 99389511 108733824 114611328 117794976 122325552 132519348 157059968 163100736 171916992 176692464 198779022 235589952 244651104 265038696 326201472 343833984 353384928 397558044 471179904 489302208 530077392 706769856 795116088 978604416 1060154784 1413539712 1590232176 2120309568 3180464352 4240619136 6360928704 12721857408
- Sum of all divisors σ(n): 41890722720
- Sum of proper divisors (its aliquot sum) s(n): 29168865312
- 12721857408 is an abundant number, because the sum of its proper divisors (29168865312) is greater than itself. Its abundance is 16447007904
Bases of 12721857408
- Binary: 10111101100100100000100011100000002
- Hexadecimal: 0x2F6482380
- Base-36: 5UE9K00
Squares and roots of 12721857408
- 12721857408 squared (127218574082) is 161845655909484478464
- 12721857408 cubed (127218574083) is 2058977356584694089808254861312
-
The
square root of 12721857408 is 112791.2115725333 -
The
cube root of 12721857408 is 2334.4442556121
Scales and comparisons
How big is 12721857408?- 12,721,857,408 seconds is equal to 404 years, 26 weeks, 5 days, 17 hours, 16 minutes, 48 seconds.
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To count from 1 to 12,721,857,408 would take you about eight hundred nine 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 12721857408 cubic inches would be around 194.5 feet tall.
Recreational maths with 12721857408
- 12721857408 backwards is 80475812721
- The number of decimal digits it has is: 11
- The sum of 12721857408's digits is 45
- More coming soon!
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