157807657728

Names of 157807657728

• Cardinal: 157807657728 can be written as One hundred fifty-seven billion, eight hundred seven million, six hundred fifty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.57807657728 × 10¹¹

Factors of 157807657728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 419

Divisors of 157807657728

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 53 54 56 63 64 72 73 81 84 96 106 108 112 126 128 144 146 159 162 168 189 192 212 216 219 224 252 256 281 288 292 318 324 336 371 378 384 424 432 438 448 477 504 511 562 567 576 584 636 648 657 672 742 756 768 843 848 864 876 896 954 1008 1022 1113 1124 1134 1152 1168 1272 1296 1314 1344 1431 1484 1512 1533 1686 1696 1728 1752 1792 1908 1967 1971 2016 2044 2226 2248 2268 2304 2336 2529 2544 2592 2628 2688 2862 2968 3024 3066 3339 3372 3392 3456 3504 3816 3869 3934 3942 4032 4088 4293 4452 4496 4536 4599 4672 5058 5088 5184 5256 5376 5724 5901 5913 5936 6048 6132 6678 6744 6784 6912 7008 7587 7632 7738 7868 7884 8064 8176 8586 8904 8992 9072 9198 9344 10017 10116 10176 10368 10512 11448 11607 11802 11826 11872 12096 12264 13356 13488 13568 13797 14016 14893 15174 15264 15476 15736 15768 16128 16352 17172 17703 17808 17984 18144 18396 18688 20034 20232 20352 20513 20736 21024 22761 22896 23214 23604 23652 23744 24192 24528 26712 26976 27083 27594 28032 29786 30051 30348 30528 30952 31472 31536 32704 34344 34821 35406 35616 35968 36288 36792 40068 40464 40704 41026 41391 42048 44679 45522 45792 46428 47208 47304 47488 48384 49056 53109 53424 53952 54166 55188 56064 59572 60102 60696 61056 61539 61904 62944 63072 65408 68688 69642 70812 71232 71936 72576 73584 80136 80928 81249 82052 82782 84096 89358 91044 91584 92856 94416 94608 94976 98112 104251 104463 106218 106848 107904 108332 110376 119144 120204 121392 122112 123078 123808 125888 126144 130816 134037 137376 139284 141624 142464 143591 145152 147168 159327 160272 161856 162498 164104 165564 168192 178716 182088 183168 184617 185712 188832 189216 196224 208502 208926 212436 213696 215808 216664 220752 238288 240408 242784 243747 246156 247616 251776 252288 268074 274752 278568 283248 284928 287182 294336 312753 313389 318654 320544 323712 324996 328208 331128 357432 364176 366336 369234 371424 377664 378432 392448 402111 417004 417852 424872 427392 430773 433328 441504 476576 480816 485568 487494 492312 495232 503552 504576 536148 549504 553851 557136 566496 574364 588672 625506 626778 637308 641088 647424 649992 656416 662256 714864 728352 731241 738468 742848 755328 756864 804222 834008 835704 849744 854784 861546 866656 883008 938259 953152 961632 971136 974988 984624 990464 1072296 1087189 1099008 1107702 1114272 1132992 1148728 1177344 1206333 1251012 1253556 1274616 1282176 1292319 1299984 1312832 1324512 1429728 1456704 1462482 1476936 1485696 1510656 1513728 1608444 1661553 1668016 1671408 1699488 1723092 1733312 1766016 1876518 1906304 1923264 1942272 1949976 1969248 2144592 2174378 2193723 2215404 2228544 2265984 2297456 2412666 2502024 2507112 2549232 2564352 2584638 2599968 2625664 2649024 2814777 2859456 2913408 2924964 2953872 2971392 3216888 3261567 3323106 3336032 3342816 3398976 3446184 3466624 3532032 3753036 3812608 3846528 3876957 3899952 3938496 4289184 4348756 4387446 4430808 4457088 4531968 4594912 4825332 5004048 5014224 5098464 5169276 5199936 5251328 5298048 5629554 5718912 5826816 5849928 5907744 6433776 6523134 6646212 6672064 6685632 6797952 6892368 6933248 7506072 7610323 7693056 7753914 7799904 7876992 8444331 8578368 8697512 8774892 8861616 8914176 9189824 9650664 9784701 10008096 10028448 10196928 10338552 10399872 10596096 11259108 11437824 11630871 11699856 11815488 12867552 13046268 13292424 13344128 13371264 13595904 13784736 15012144 15220646 15507828 15599808 15753984 16888662 17156736 17395024 17549784 17723232 18379648 19301328 19569402 20016192 20056896 20393856 20677104 20799744 22518216 22830969 23261742 23399712 23630976 25735104 26092536 26584848 26688256 26742528 27569472 29354103 30024288 30441292 31015656 31199616 33777324 34313472 34790048 35099568 35446464 36759296 38602656 39138804 40032384 40113792 40787712 41354208 45036432 45661938 46523484 46799424 47261952 51470208 52185072 53169696 55138944 58708206 60048576 60882584 62031312 62399232 67554648 68492907 69580096 70199136 70892928 77205312 78277608 80064768 80227584 82708416 88062309 90072864 91323876 93046968 93598848 102940416 104370144 106339392 110277888 117416412 120097152 121765168 124062624 135109296 136985814 139160192 140398272 141785856 154410624 156555216 165416832 176124618 180145728 182647752 186093936 187197696 205478721 208740288 212678784 234832824 240194304 243530336 248125248 270218592 273971628 278320384 280796544 308821248 313110432 330833664 352249236 360291456 365295504 372187872 410957442 417480576 425357568 469665648 487060672 496250496 540437184 547943256 561593088 616436163 626220864 704498472 720582912 730591008 744375744 821914884 834961152 939331296 974121344 992500992 1080874368 1095886512 1232872326 1252441728 1408996944 1461182016 1488751488 1643829768 1878662592 1948242688 2161748736 2191773024 2465744652 2504883456 2817993888 2922364032 2977502976 3287659536 3757325184 4383546048 4931489304 5635987776 5844728064 6575319072 7514650368 8767092096 9862978608 11271975552 13150638144 17534184192 19725957216 22543951104 26301276288 39451914432 52602552576 78903828864 157807657728
• Sum of all divisors σ(n): 557404981056
• Sum of proper divisors (its aliquot sum) s(n): 399597323328
• 157807657728 is an abundant number, because the sum of its proper divisors (399597323328) is greater than itself. Its abundance is 241789665600

Bases of 157807657728

• Binary: 10010010111110000100011100001100000000₂
• Hexadecimal: 0x24BE11C300
• Base-36: 20HULS00

Squares and roots of 157807657728

• 157807657728 squared (157807657728²) is 24903256837597598121984
• 157807657728 cubed (157807657728³) is 3929924631340077446228946664292352
• The square root of 157807657728 is 397250.1198590127
• The cube root of 157807657728 is 5403.9255604153

Scales and comparisons

• 157,807,657,728 seconds is equal to 5,017 years, 41 weeks, 2 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 157,807,657,728 would take you about ten thousand and thirty-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 157807657728 cubic inches would be around 450.3 feet tall.

Recreational maths with 157807657728

• 157807657728 backwards is 827756708751
• 157807657728 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 157807657728's digits is 63
• More coming soon!