123157216728
123,157,216,728 is an even composite number composed of seven prime numbers multiplied together.
123157216728 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 123157216728:
23 × 32 × 7 × 13 × 89 × 127 × 1663
(2 × 2 × 2 × 3 × 3 × 7 × 13 × 89 × 127 × 1663)See below for interesting mathematical facts about the number 123157216728 from the Numbermatics database.
Names of 123157216728
- Cardinal: 123157216728 can be written as One hundred twenty-three billion, one hundred fifty-seven million, two hundred sixteen thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.23157216728 × 1011
Factors of 123157216728
Divisors of 123157216728
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 52 56 63 72 78 84 89 91 104 117 126 127 156 168 178 182 234 252 254 267 273 312 356 364 381 468 504 508 534 546 623 712 728 762 801 819 889 936 1016 1068 1092 1143 1157 1246 1524 1602 1638 1651 1663 1778 1869 2136 2184 2286 2314 2492 2667 3048 3204 3276 3302 3326 3471 3556 3738 4572 4628 4953 4984 4989 5334 5607 6408 6552 6604 6652 6942 7112 7476 8001 8099 9144 9256 9906 9978 10413 10668 11214 11303 11557 11641 13208 13304 13884 14859 14952 14967 16002 16198 19812 19956 20826 21336 21619 22428 22606 23114 23282 24297 27768 29718 29934 32004 32396 33909 34671 34923 39624 39912 41652 43238 44856 45212 46228 46564 48594 59436 59868 64008 64792 64857 67818 69342 69846 72891 79121 83304 86476 90424 92456 93128 97188 101727 104013 104769 118872 119736 129714 135636 138684 139692 145782 146939 148007 151333 158242 172952 194376 194571 203454 208026 209538 211201 237363 259428 271272 277368 279384 291564 293878 296014 302666 316484 389142 406908 416052 419076 422402 440817 444021 453999 474726 518856 583128 587756 592028 605332 632968 633603 712089 778284 813816 832104 838152 844804 881634 888042 907998 949452 1028573 1036049 1175512 1184056 1210664 1267206 1322451 1332063 1361997 1424178 1478407 1556568 1689608 1763268 1776084 1815996 1898904 1900809 1924091 2057146 2072098 2534412 2644902 2664126 2723994 2745613 2848356 2956814 3085719 3108147 3526536 3552168 3631992 3801618 3848182 4114292 4144196 4435221 5068824 5289804 5328252 5447988 5491226 5696712 5772273 5913628 6171438 6216294 7603236 7696364 8228584 8236839 8288392 8870442 9257157 9324441 10579608 10656504 10895976 10982452 11544546 11827256 12342876 12432588 13305663 13468637 15206472 15392728 16473678 17316819 17740884 18514314 18648882 18796889 19219291 21964904 23089092 24685752 24710517 24865176 26611326 26937274 32947356 34633638 35481768 37028628 37297764 37593778 38438582 40405911 46178184 49421034 53222652 53874548 56390667 57657873 65894712 69267276 74057256 74595528 75187556 76877164 80811822 98842068 106445304 107749096 112781334 115315746 121217733 131578223 138534552 150375112 153754328 161623644 169172001 172973619 197684136 225562668 230631492 242435466 244359557 263156446 323247288 338344002 345947238 394734669 451125336 461262984 484870932 488719114 526312892 676688004 691894476 733078671 789469338 969741864 977438228 1052625784 1184204007 1353376008 1383788952 1466157342 1578938676 1710516899 1954876456 2199236013 2368408014 2932314684 3157877352 3421033798 4398472026 4736816028 5131550697 5864629368 6842067596 8796944052 9473632056 10263101394 13684135192 15394652091 17593888104 20526202788 30789304182 41052405576 61578608364 123157216728
- Sum of all divisors σ(n): 418657075200
- Sum of proper divisors (its aliquot sum) s(n): 295499858472
- 123157216728 is an abundant number, because the sum of its proper divisors (295499858472) is greater than itself. Its abundance is 172342641744
Bases of 123157216728
- Binary: 11100101011001011110111111101110110002
- Hexadecimal: 0x1CACBDFDD8
- Base-36: 1KKSMKM0
Squares and roots of 123157216728
- 123157216728 squared (1231572167282) is 15167700032187563025984
- 123157216728 cubed (1231572167283) is 1868011720129416275537270983460352
-
The
square root of 123157216728 is 350937.6251244657 -
The
cube root of 123157216728 is 4975.3078163187
Scales and comparisons
How big is 123157216728?- 123,157,216,728 seconds is equal to 3,916 years, 6 days, 17 hours, 58 minutes, 48 seconds.
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To count from 1 to 123,157,216,728 would take you about seven thousand, eight hundred thirty-two 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 123157216728 cubic inches would be around 414.6 feet tall.
Recreational maths with 123157216728
- 123157216728 backwards is 827612751321
- The number of decimal digits it has is: 12
- The sum of 123157216728's digits is 45
- More coming soon!
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