155137901568

Names of 155137901568

• Cardinal: 155137901568 can be written as One hundred fifty-five billion, one hundred thirty-seven million, nine hundred one thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.55137901568 × 10¹¹

Factors of 155137901568

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1603

Divisors of 155137901568

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 43 48 52 61 64 78 86 96 104 122 128 129 156 172 183 192 208 244 256 258 312 344 366 384 416 488 512 516 559 624 688 732 768 793 832 976 1024 1032 1118 1248 1376 1464 1481 1536 1586 1664 1677 1952 2064 2236 2379 2496 2623 2752 2928 2962 3072 3172 3328 3354 3904 4128 4443 4472 4758 4992 5246 5504 5856 5924 6344 6656 6708 7808 7869 8256 8886 8944 9516 9984 10492 11008 11712 11848 12688 13312 13416 15616 15738 16512 17772 17888 19032 19253 19968 20984 22016 23424 23696 25376 26832 31232 31476 33024 34099 35544 35776 38064 38506 39936 41968 44032 46848 47392 50752 53664 57759 62464 62952 63683 66048 68198 71088 71552 76128 77012 83936 90341 93696 94784 101504 102297 107328 115518 125904 127366 132096 136396 142176 143104 152256 154024 167872 180682 187392 189568 191049 203008 204594 214656 231036 251808 254732 271023 272792 284352 286208 304512 308048 335744 361364 379136 382098 406016 409188 429312 462072 503616 509464 542046 545584 568704 572416 609024 616096 671488 722728 758272 764196 812032 818376 827879 858624 924144 1007232 1018928 1084092 1091168 1137408 1174433 1218048 1232192 1342976 1445456 1516544 1528392 1636752 1655758 1717248 1848288 2014464 2037856 2168184 2182336 2274816 2348866 2436096 2464384 2483637 2685952 2890912 3056784 3273504 3311516 3523299 3696576 3884663 4028928 4075712 4336368 4364672 4549632 4697732 4928768 4967274 5781824 6113568 6547008 6623032 7046598 7393152 7769326 8057856 8151424 8672736 8729344 9395464 9857536 9934548 11563648 11653989 12227136 13094016 13246064 14093196 14786304 15538652 16302848 17345472 17458688 18790928 19715072 19869096 23127296 23307978 24454272 26188032 26492128 28186392 29572608 31077304 32605696 34690944 34917376 37581856 39738192 46254592 46615956 48908544 50500619 52376064 52984256 56372784 59145216 62154608 65211392 69381888 75163712 79476384 92509184 93231912 97817088 101001238 104752128 105968512 112745568 124309216 138763776 150327424 151501857 158952768 186463824 195634176 202002476 211937024 225491136 248618432 277527552 300654848 303003714 317905536 372927648 404004952 423874048 450982272 497236864 601309696 606007428 635811072 745855296 808009904 847748096 901964544 994473728 1202619392 1212014856 1271622144 1491710592 1616019808 1803929088 1988947456 2424029712 2543244288 2983421184 3232039616 3607858176 3977894912 4848059424 5966842368 6464079232 9696118848 11933684736 12928158464 19392237696 25856316928 38784475392 51712633856 77568950784 155137901568
• Sum of all divisors σ(n): 463445254272
• Sum of proper divisors (its aliquot sum) s(n): 308307352704
• 155137901568 is an abundant number, because the sum of its proper divisors (308307352704) is greater than itself. Its abundance is 153169451136

Bases of 155137901568

• Binary: 10010000011110111100001000010000000000₂
• Hexadecimal: 0x241EF08400
• Base-36: 1Z9P3MYO

Squares and roots of 155137901568

• 155137901568 squared (155137901568²) is 24067768502922456858624
• 155137901568 cubed (155137901568³) is 3733823100967794832469936603922432
• The square root of 155137901568 is 393875.4899305111
• The cube root of 155137901568 is 5373.2779232437

Scales and comparisons

• 155,137,901,568 seconds is equal to 4,932 years, 47 weeks, 13 hours, 32 minutes, 48 seconds.
• To count from 1 to 155,137,901,568 would take you about nine thousand, eight hundred sixty-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 155137901568 cubic inches would be around 447.8 feet tall.

Recreational maths with 155137901568

• 155137901568 backwards is 865109731551
• The number of decimal digits it has is: 12
• The sum of 155137901568's digits is 51
• More coming soon!