139661731456

Names of 139661731456

• Cardinal: 139661731456 can be written as One hundred thirty-nine billion, six hundred sixty-one million, seven hundred thirty-one thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.39661731456 × 10¹¹

Factors of 139661731456

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 27490

Divisors of 139661731456

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 16 17 26 32 34 52 64 68 104 128 136 181 208 221 272 362 416 442 544 724 832 884 1088 1448 1664 1768 2176 2353 2896 3077 3536 4706 5792 6154 7072 9412 11584 12308 14144 18824 23168 24616 27277 28288 37648 40001 49232 54554 75296 80002 98464 109108 150592 160004 196928 218216 301184 320008 354601 393856 436432 463709 640016 709202 872864 927418 1280032 1418404 1745728 1854836 2560064 2836808 3491456 3709672 4937137 5120128 5673616 6028217 7419344 9874274 11347232 12056434 14838688 19748548 22694464 24112868 29677376 39497096 45388928 48225736 59354752 64182781 78994192 83931329 96451472 128365562 157988384 167862658 192902944 256731124 315976768 335725316 385805888 513462248 631953536 671450632 771611776 1026924496 1091107277 1342901264 2053848992 2182214554 2685802528 4107697984 4364429108 5371605056 8215395968 8728858216 10743210112 17457716432 34915432864 69830865728 139661731456
• Sum of all divisors σ(n): 319024938960
• Sum of proper divisors (its aliquot sum) s(n): 179363207504
• 139661731456 is an abundant number, because the sum of its proper divisors (179363207504) is greater than itself. Its abundance is 39701476048

Bases of 139661731456

• Binary: 10000010000100011111001110011010000000₂
• Hexadecimal: 0x20847CE680
• Base-36: 1S5QZLOG

Squares and roots of 139661731456

• 139661731456 squared (139661731456²) is 19505399233287859879936
• 139661731456 cubed (139661731456³) is 2724157829661517382496578034466816
• The square root of 139661731456 is 373713.4349418013
• The cube root of 139661731456 is 5188.3086876257

Scales and comparisons

• 139,661,731,456 seconds is equal to 4,440 years, 42 weeks, 1 day, 5 hours, 24 minutes, 16 seconds.
• To count from 1 to 139,661,731,456 would take you about eight thousand, eight hundred eighty-one 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 139661731456 cubic inches would be around 432.4 feet tall.

Recreational maths with 139661731456

• 139661731456 backwards is 654137166931
• 139661731456 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139661731456's digits is 52
• More coming soon!