139947461440

Names of 139947461440

• Cardinal: 139947461440 can be written as One hundred thirty-nine billion, nine hundred forty-seven million, four hundred sixty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3994746144 × 10¹¹

Factors of 139947461440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14107645

Divisors of 139947461440

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 155 160 248 310 320 496 620 992 1240 1984 2480 4960 9920 14107607 28215214 56430428 70538035 112860856 141076070 225721712 282152140 437335817 451443424 564304280 874671634 902886848 1128608560 1749343268 2186679085 2257217120 3498686536 4373358170 4514434240 6997373072 8746716340 13994746144 17493432680 27989492288 34986865360 69973730720 139947461440
• Sum of all divisors σ(n): 343999913472
• Sum of proper divisors (its aliquot sum) s(n): 204052452032
• 139947461440 is an abundant number, because the sum of its proper divisors (204052452032) is greater than itself. Its abundance is 64104990592

Bases of 139947461440

• Binary: 10000010010101100001001100101101000000₂
• Hexadecimal: 0x209584CB40
• Base-36: 1SAH3SCG

Squares and roots of 139947461440

• 139947461440 squared (139947461440²) is 19585291963500286873600
• 139947461440 cubed (139947461440³) is 2740911891853098284672074153984000
• The square root of 139947461440 is 374095.5244853913
• The cube root of 139947461440 is 5191.8444820989

Scales and comparisons

• 139,947,461,440 seconds is equal to 4,449 years, 46 weeks, 4 days, 6 hours, 50 minutes, 40 seconds.
• To count from 1 to 139,947,461,440 would take you about eight thousand, eight hundred ninety-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 139947461440 cubic inches would be around 432.7 feet tall.

Recreational maths with 139947461440

• 139947461440 backwards is 044164749931
• The number of decimal digits it has is: 12
• The sum of 139947461440's digits is 52
• More coming soon!