155388841042320992

Names of 155388841042320992

• Cardinal: 155388841042320992 can be written as One hundred fifty-five quadrillion, three hundred eighty-eight trillion, eight hundred forty-one billion, forty-two million, three hundred twenty thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.55388841042320992 × 10¹⁷

Factors of 155388841042320992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1257

Divisors of 155388841042320992

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 16 32 37 47 74 94 148 188 296 376 592 752 1171 1184 1369 1504 1739 2209 2342 2738 3478 4418 4684 5476 6956 8836 9368 10952 13912 17672 18736 21904 27824 35344 37472 43327 43808 55037 55648 64343 70688 81733 86654 110074 128686 163466 173308 220148 257372 326932 346616 440296 514744 653864 693232 880592 1029488 1307728 1371241 1386464 1603099 1761184 2036369 2058976 2586739 2615456 2742482 3024121 3206198 4072738 5173478 5484964 6048242 6412396 8145476 10346956 10969928 12096484 12824792 16290952 20693912 21939856 24192968 25649584 32581904 41387824 43879712 48385936 50735917 51299168 64448327 65163808 75345653 82775648 95709343 96771872 101471834 128896654 150691306 191418686 202943668 257793308 301382612 382837372 405887336 515586616 602765224 765674744 811774672 1031173232 1205530448 1531349488 1605723211 1623549344 1877228929 2062346464 2384588099 2411060896 3029071369 3062698976 3211446422 3541245691 3754457858 4769176198 6058142738 6422892844 7082491382 7508915716 9538352396 12116285476 12845785688 14164982764 15017831432 19076704792 24232570952 25691571376 28329965528 30035662864 38153409584 48465141904 51383142752 56659931056 59411758807 60071325728 75468990917 76306819168 88229759663 96930283808 112075640653 113319862112 118823517614 150937981834 176459519326 224151281306 237647035228 301875963668 352919038652 448302562612 475294070456 603751927336 705838077304 896605125224 950588140912 1207503854672 1411676154608 1793210250448 1901176281824 2198235075859 2415007709344 2792352663929 2823352309216 3547042573099 3586420500896 4146798704161 4396470151718 5584705327858 7094085146198 8293597408322 8792940303436 11169410655716 14188170292396 16587194816644 17585880606872 22338821311432 28376340584792 33174389633288 35171761213744 44677642622864 56752681169584 66348779266576 70343522427488 89355285245728 103317048565373 113505362339168 131240575204663 132697558533152 206634097130746 262481150409326 413268194261492 524962300818652 826536388522984 1049924601637304 1653072777045968 2099849203274608 3306145554091936 4199698406549216 4855901282572531 9711802565145062 19423605130290124 38847210260580248 77694420521160496 155388841042320992
• Sum of all divisors σ(n): 321519949158162888
• Sum of proper divisors (its aliquot sum) s(n): 166131108115841896
• 155388841042320992 is an abundant number, because the sum of its proper divisors (166131108115841896) is greater than itself. Its abundance is 10742267073520904

Bases of 155388841042320992

• Binary: 1000101000000011010101001111100000011000110001111001100000₂
• Hexadecimal: 0x2280D53E0631E60
• Base-36: 16I0QW3JM4BK

Squares and roots of 155388841042320992

• 155388841042320992 squared (155388841042320992²) is 24145691920475700795491610363864064
• 155388841042320992 cubed (155388841042320992³) is 3751971083687652949875136129224819264786032141631488
• The square root of 155388841042320992 is 394193912.9950144119
• The cube root of 155388841042320992 is 537617.3500168593

Scales and comparisons

• 155,388,841,042,320,992 seconds is equal to 4,940,884,495 years, 46 weeks, 6 days, 8 hours, 16 minutes, 32 seconds.
• To count from 1 to 155,388,841,042,320,992 would take you about fourteen billion, eight hundred twenty-two million, six hundred fifty-three thousand, four hundred eighty-seven 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 155388841042320992 cubic inches would be around 44801.4 feet tall.

Recreational maths with 155388841042320992

• 155388841042320992 backwards is 299023240148883551
• 155388841042320992 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 155388841042320992's digits is 74
• More coming soon!