138555505824

Names of 138555505824

• Cardinal: 138555505824 can be written as One hundred thirty-eight billion, five hundred fifty-five million, five hundred five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.38555505824 × 10¹¹

Factors of 138555505824

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4494

Divisors of 138555505824

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 289 408 544 578 816 867 1156 1632 1734 2161 2311 2312 3468 4322 4622 4624 6483 6933 6936 8644 9244 9248 12966 13866 13872 17288 18488 25932 27732 27744 34576 36737 36976 39287 51864 55464 69152 73474 73952 78574 103728 110211 110928 117861 146948 157148 207456 220422 221856 235722 293896 314296 440844 471444 587792 624529 628592 667879 881688 942888 1175584 1249058 1257184 1335758 1763376 1873587 1885776 2003637 2498116 2671516 3526752 3747174 3771552 4007274 4994071 4996232 5343032 7494348 8014548 9988142 9992464 10686064 14982213 14988696 16029096 19976284 19984928 21372128 29964426 29977392 32058192 39952568 59928852 59954784 64116384 79905136 84899207 119857704 159810272 169798414 239715408 254697621 339596828 479430816 509395242 679193656 1018790484 1358387312 1443286519 2037580968 2716774624 2886573038 4075161936 4329859557 5773146076 8150323872 8659719114 11546292152 17319438228 23092584304 34638876456 46185168608 69277752912 138555505824
• Sum of all divisors σ(n): 386707358016
• Sum of proper divisors (its aliquot sum) s(n): 248151852192
• 138555505824 is an abundant number, because the sum of its proper divisors (248151852192) is greater than itself. Its abundance is 109596346368

Bases of 138555505824

• Binary: 10000001000010100011010011110010100000₂
• Hexadecimal: 0x20428D3CA0
• Base-36: 1RNGDCIO

Squares and roots of 138555505824

• 138555505824 squared (138555505824²) is 19197628194144497918976
• 138555505824 cubed (138555505824³) is 2659937085060774584110235048116224
• The square root of 138555505824 is 372230.4472017301
• The cube root of 138555505824 is 5174.5739286731

Scales and comparisons

• 138,555,505,824 seconds is equal to 4,405 years, 33 weeks, 16 hours, 30 minutes, 24 seconds.
• To count from 1 to 138,555,505,824 would take you about eight thousand, eight hundred eleven 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 138555505824 cubic inches would be around 431.2 feet tall.

Recreational maths with 138555505824

• 138555505824 backwards is 428505555831
• 138555505824 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138555505824's digits is 51
• More coming soon!