139938841161

Names of 139938841161

• Cardinal: 139938841161 can be written as One hundred thirty-nine billion, nine hundred thirty-eight million, eight hundred forty-one thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 1.39938841161 × 10¹¹

Factors of 139938841161

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3549

Divisors of 139938841161

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 21 27 63 189 347 953 1041 2239 2429 2859 3123 6671 6717 7287 8577 9369 15673 20013 20151 21861 25731 47019 60039 60453 65583 141057 180117 330691 423171 776933 992073 2133767 2314837 2330799 2976219 5438531 6401301 6944511 6992397 8928657 14936369 16315593 19203903 20833533 20977191 44809107 48946779 57611709 62500599 134427321 146840337 403281963 740417149 2221251447 5182920043 6663754341 15548760129 19991263023 46646280387 139938841161
• Sum of all divisors σ(n): 237971865600
• Sum of proper divisors (its aliquot sum) s(n): 98033024439
• 139938841161 is a deficient number, because the sum of its proper divisors (98033024439) is less than itself. Its deficiency is 41905816722

Bases of 139938841161

• Binary: 10000010010101000000010100001001001001₂
• Hexadecimal: 0x2095014249
• Base-36: 1SABZ0W9

Squares and roots of 139938841161

• 139938841161 squared (139938841161²) is 19582879265483587827921
• 139938841161 cubed (139938841161³) is 2740405431007548146903829819856281
• The square root of 139938841161 is 374084.0028135391
• The cube root of 139938841161 is 5191.7378800299

Scales and comparisons

• 139,938,841,161 seconds is equal to 4,449 years, 32 weeks, 2 days, 12 hours, 19 minutes, 21 seconds.
• To count from 1 to 139,938,841,161 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 139938841161 cubic inches would be around 432.6 feet tall.

Recreational maths with 139938841161

• 139938841161 backwards is 161148839931
• The number of decimal digits it has is: 12
• The sum of 139938841161's digits is 54
• More coming soon!