139747984965

Names of 139747984965

• Cardinal: 139747984965 can be written as One hundred thirty-nine billion, seven hundred forty-seven million, nine hundred eighty-four thousand, nine hundred sixty-five.

Scientific notation

• Scientific notation: 1.39747984965 × 10¹¹

Factors of 139747984965

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 141015

Divisors of 139747984965

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 9 15 27 31 45 79 81 93 135 155 237 279 395 405 465 711 837 1185 1395 2133 2449 2511 3555 4185 6399 7347 10665 12245 12555 22041 31995 36735 66123 110205 140897 198369 330615 422691 704485 991845 1268073 2113455 3804219 4367807 6340365 11130863 11412657 13103421 19021095 21839035 33392589 39310263 55654315 57063285 65517105 100177767 117930789 166962945 196551315 300533301 345056753 353792367 500888835 589653945 901599903 1035170259 1502666505 1725283765 1768961835 3105510777 4507999515 5175851295 9316532331 15527553885 27949596993 46582661655 139747984965
• Sum of all divisors σ(n): 261867386880
• Sum of proper divisors (its aliquot sum) s(n): 122119401915
• 139747984965 is a deficient number, because the sum of its proper divisors (122119401915) is less than itself. Its deficiency is 17628583050

Bases of 139747984965

• Binary: 10000010001001101000010000011001000101₂
• Hexadecimal: 0x2089A10645
• Base-36: 1S76CBB9

Squares and roots of 139747984965

• 139747984965 squared (139747984965²) is 19529499301777866051225
• 139747984965 cubed (139747984965³) is 2729208174798831222696375219832125
• The square root of 139747984965 is 373828.8177294523
• The cube root of 139747984965 is 5189.3765481183

Scales and comparisons

• 139,747,984,965 seconds is equal to 4,443 years, 28 weeks, 5 days, 12 hours, 42 minutes, 45 seconds.
• To count from 1 to 139,747,984,965 would take you about eight thousand, eight hundred eighty-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 139747984965 cubic inches would be around 432.4 feet tall.

Recreational maths with 139747984965

• 139747984965 backwards is 569489747931
• The number of decimal digits it has is: 12
• The sum of 139747984965's digits is 72
• More coming soon!