138972537088

Names of 138972537088

• Cardinal: 138972537088 can be written as One hundred thirty-eight billion, nine hundred seventy-two million, five hundred thirty-seven thousand and eighty-eight.

Scientific notation

• Scientific notation: 1.38972537088 × 10¹¹

Factors of 138972537088

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 20570

Divisors of 138972537088

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 128 154 176 224 256 308 349 352 448 616 698 704 896 1232 1396 1408 1792 2443 2464 2792 2816 3839 4886 4928 5584 7678 9772 9856 11168 15356 19544 19712 20201 22336 26873 30712 39088 40402 44672 53746 61424 78176 80804 89344 107492 122848 141407 156352 161608 214984 222211 245696 282814 312704 323216 429968 444422 491392 565628 625408 646432 859936 888844 982784 1131256 1292864 1555477 1719872 1777688 2262512 2585728 3110954 3439744 3555376 4525024 5171456 6221908 6879488 7050149 7110752 9050048 12443816 14100298 14221504 18100096 24887632 28200596 28443008 36200192 49351043 49775264 56401192 56886016 77551639 98702086 99550528 112802384 155103278 197404172 199101056 225604768 310206556 394808344 398202112 451209536 542861473 620413112 789616688 902419072 1085722946 1240826224 1579233376 1804838144 2171445892 2481652448 3158466752 4342891784 4963304896 6316933504 8685783568 9926609792 12633867008 17371567136 19853219584 34743134272 69486268544 138972537088
• Sum of all divisors σ(n): 346860259200
• Sum of proper divisors (its aliquot sum) s(n): 207887722112
• 138972537088 is an abundant number, because the sum of its proper divisors (207887722112) is greater than itself. Its abundance is 68915185024

Bases of 138972537088

• Binary: 10000001011011011010001010000100000000₂
• Hexadecimal: 0x205B68A100
• Base-36: 1RUCNRWG

Squares and roots of 138972537088

• 138972537088 squared (138972537088²) is 19313366064675535519744
• 138972537088 cubed (138972537088³) is 2684027481717241466703884396265472
• The square root of 138972537088 is 372790.2051932157
• The cube root of 138972537088 is 5179.7602922225

Scales and comparisons

• 138,972,537,088 seconds is equal to 4,418 years, 46 weeks, 4 days, 10 hours, 31 minutes, 28 seconds.
• To count from 1 to 138,972,537,088 would take you about eight thousand, eight hundred thirty-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 138972537088 cubic inches would be around 431.6 feet tall.

Recreational maths with 138972537088

• 138972537088 backwards is 880735279831
• The number of decimal digits it has is: 12
• The sum of 138972537088's digits is 61
• More coming soon!