139785172672

Names of 139785172672

• Cardinal: 139785172672 can be written as One hundred thirty-nine billion, seven hundred eighty-five million, one hundred seventy-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.39785172672 × 10¹¹

Factors of 139785172672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4430359

Divisors of 139785172672

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 16 17 29 32 34 58 64 68 116 136 232 272 464 493 544 928 986 1088 1856 1972 3944 7888 15776 31552 4430311 8860622 17721244 35442488 70884976 75315287 128479019 141769952 150630574 256958038 283539904 301261148 513916076 602522296 1027832152 1205044592 2055664304 2184143323 2410089184 4111328608 4368286646 4820178368 8222657216 8736573292 17473146584 34946293168 69892586336 139785172672
• Sum of all divisors σ(n): 303830796960
• Sum of proper divisors (its aliquot sum) s(n): 164045624288
• 139785172672 is an abundant number, because the sum of its proper divisors (164045624288) is greater than itself. Its abundance is 24260451616

Bases of 139785172672

• Binary: 10000010001011110110000111011011000000₂
• Hexadecimal: 0x208BD876C0
• Base-36: 1S7SHDJ4

Squares and roots of 139785172672

• 139785172672 squared (139785172672²) is 19539894498940855619584
• 139785172672 cubed (139785172672³) is 2731387526527110423898970984808448
• The square root of 139785172672 is 373878.5533726161
• The cube root of 139785172672 is 5189.8368145027

Scales and comparisons

• 139,785,172,672 seconds is equal to 4,444 years, 38 weeks, 1 day, 22 hours, 37 minutes, 52 seconds.
• To count from 1 to 139,785,172,672 would take you about eight thousand, eight hundred eighty-nine 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 139785172672 cubic inches would be around 432.5 feet tall.

Recreational maths with 139785172672

• 139785172672 backwards is 276271587931
• 139785172672 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139785172672's digits is 58
• More coming soon!