155861136417926128

Names of 155861136417926128

• Cardinal: 155861136417926128 can be written as One hundred fifty-five quadrillion, eight hundred sixty-one trillion, one hundred thirty-six billion, four hundred seventeen million, nine hundred twenty-six thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.55861136417926128 × 10¹⁷

Factors of 155861136417926128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 511101

Divisors of 155861136417926128

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 73 112 146 292 511 584 1022 1168 2044 4088 5329 8176 10658 21316 37303 42632 74606 85264 149212 298424 511019 596848 1022038 2044076 3577133 4088152 7154266 8176304 14308532 28617064 37304387 57234128 74608774 149217548 261130709 298435096 522261418 596870192 1044522836 2089045672 2723220251 4178091344 5446440502 10892881004 19062541757 21785762008 38125083514 43571524016 76250167028 152500334056 261140418361 305000668112 522280836722 1044561673444 1827982928527 2089123346888 3655965857054 4178246693776 7311931714108 14623863428216 19063250540353 29247726856432 38126501080706 76253002161412 133442753782471 152506004322824 266885507564942 305012008645648 533771015129884 1067542030259768 1391617289445769 2135084060519536 2783234578891538 5566469157783076 9741321026120383 11132938315566152 19482642052240766 22265876631132304 38965284104481532 77930568208963064 155861136417926128
• Sum of all divisors σ(n): 349914221478494664
• Sum of proper divisors (its aliquot sum) s(n): 194053085060568536
• 155861136417926128 is an abundant number, because the sum of its proper divisors (194053085060568536) is greater than itself. Its abundance is 38191948642642408

Bases of 155861136417926128

• Binary: 1000101001101110101110000010110110011110101010101111110000₂
• Hexadecimal: 0x229BAE0B67AABF0
• Base-36: 16MO5TLJY034

Squares and roots of 155861136417926128

• 155861136417926128 squared (155861136417926128²) is 24292693845487378322985064465072384
• 155861136417926128 cubed (155861136417926128³) is 3786286869410422736616197353955695486186316684849152
• The square root of 155861136417926128 is 394792523.2548434775
• The cube root of 155861136417926128 is 538161.4846912747

Scales and comparisons

• 155,861,136,417,926,128 seconds is equal to 4,955,902,027 years, 48 weeks, 6 days, 10 hours, 35 minutes, 28 seconds.
• To count from 1 to 155,861,136,417,926,128 would take you about fourteen billion, eight hundred sixty-seven million, seven hundred six thousand and eighty-three 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 155861136417926128 cubic inches would be around 44846.8 feet tall.

Recreational maths with 155861136417926128

• 155861136417926128 backwards is 821629714631168551
• The number of decimal digits it has is: 18
• The sum of 155861136417926128's digits is 76
• More coming soon!