155238856653915504

Names of 155238856653915504

• Cardinal: 155238856653915504 can be written as One hundred fifty-five quadrillion, two hundred thirty-eight trillion, eight hundred fifty-six billion, six hundred fifty-three million, nine hundred fifteen thousand, five hundred four.

Scientific notation

• Scientific notation: 1.55238856653915504 × 10¹⁷

Factors of 155238856653915504

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1973

Divisors of 155238856653915504

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 359 432 648 718 1077 1296 1436 1609 2154 2872 3218 3231 4308 4827 5744 6436 6462 8616 9654 9693 12872 12924 14481 17232 19308 19386 25744 25848 28962 29079 38616 38772 43443 51696 57924 58158 77232 77544 86886 115848 116316 128881 130329 155088 173772 231696 232632 257762 260658 347544 386643 465264 515524 521316 577631 695088 773286 1031048 1042632 1155262 1159929 1546572 1732893 2062096 2085264 2310524 2319858 2588881 3093144 3465786 3479787 4621048 4639716 5177762 5198679 6186288 6931572 6959574 7766643 9242096 9279432 10355524 10397358 10439361 13863144 13919148 15533286 15596037 18558864 20711048 20794716 20878722 23299929 27726288 27838296 31066572 31192074 41422096 41589432 41757444 46268279 46599858 46788111 55676592 62133144 62384148 69899787 83178864 83514888 92536558 93199716 93576222 124266288 124768296 138804837 139799574 167029776 185073116 186399432 187152444 207369529 209699361 249536592 277609674 279599148 370146232 372798864 374304888 414739058 416414511 419398722 555219348 559198296 622108587 740292464 748609776 829478116 832829022 838797444 929408279 1110438696 1118396592 1244217174 1249243533 1658956232 1665658044 1677594888 1858816558 1866325761 2220877392 2488434348 2498487066 2788224837 3317912464 3331316088 3355189776 3717633116 3732651522 3747730599 4976868696 4996974132 5576449674 5598977283 6662632176 7435266232 7465303044 7495461198 8364674511 9953737392 9993948264 11152899348 11197954566 14870532464 14930606088 14990922396 16729349022 16796931849 19987896528 22305798696 22395909132 25094023533 29861212176 29981844792 33458698044 33593863698 44611597392 44791818264 50188047066 59963689584 66917396088 67187727396 74445660911 75282070599 89583636528 100376094132 133834792176 134375454792 148891321822 150564141198 200752188264 223336982733 268750909584 297782643644 301128282396 333657572161 401504376528 446673965466 595565287288 602256564792 667315144322 670010948199 893347930932 1000972716483 1191130574576 1204513129584 1334630288644 1340021896398 1786695861864 2001945432966 2010032844597 2669260577288 2680043792796 3002918149449 3573391723728 4003890865932 4020065689194 5338521154576 5360087585592 6005836298898 6030098533791 8007781731864 8040131378388 9008754448347 10720175171184 12011672597796 12060197067582 16015563463728 16080262756776 18017508896694 24023345195592 24120394135164 27026263345041 32160525513552 36035017793388 48046690391184 48240788270328 54052526690082 72070035586776 96481576540656 108105053380164 119783068405799 144140071173552 216210106760328 239566136811598 359349205217397 432420213520656 479132273623196 718698410434794 958264547246392 1078047615652191 1437396820869588 1916529094492784 2156095231304382 2874793641739176 3234142846956573 4312190462608764 5749587283478352 6468285693913146 8624380925217528 9702428540869719 12936571387826292 17248761850435056 19404857081739438 25873142775652584 38809714163478876 51746285551305168 77619428326957752 155238856653915504
• Sum of all divisors σ(n): 450841534791682320
• Sum of proper divisors (its aliquot sum) s(n): 295602678137766816
• 155238856653915504 is an abundant number, because the sum of its proper divisors (295602678137766816) is greater than itself. Its abundance is 140363821483851312

Bases of 155238856653915504

• Binary: 1000100111100001001110101011101010001100011100010101110000₂
• Hexadecimal: 0x22784EAEA31C570
• Base-36: 16GJKY7Z8N00

Squares and roots of 155238856653915504

• 155238856653915504 squared (155238856653915504²) is 24099102615214925950852334371574016
• 155238856653915504 cubed (155238856653915504³) is 3741117136371350131311014984246912623330041945944064
• The square root of 155238856653915504 is 394003625.1786466799
• The cube root of 155238856653915504 is 537444.3213616405

Scales and comparisons

• 155,238,856,653,915,504 seconds is equal to 4,936,115,456 years, 14 weeks, 4 days, 23 hours, 38 minutes, 24 seconds.
• To count from 1 to 155,238,856,653,915,504 would take you about fourteen billion, eight hundred eight million, three hundred forty-six thousand, three hundred sixty-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 155238856653915504 cubic inches would be around 44787 feet tall.

Recreational maths with 155238856653915504

• 155238856653915504 backwards is 405519356658832551
• 155238856653915504 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 155238856653915504's digits is 81
• More coming soon!