138673870881
138,673,870,881 is an odd composite number composed of six prime numbers multiplied together.
138673870881 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138673870881:
3 × 7 × 132 × 71 × 727 × 757
(3 × 7 × 13 × 13 × 71 × 727 × 757)See below for interesting mathematical facts about the number 138673870881 from the Numbermatics database.
Names of 138673870881
- Cardinal: 138673870881 can be written as One hundred thirty-eight billion, six hundred seventy-three million, eight hundred seventy thousand, eight hundred eighty-one.
Scientific notation
- Scientific notation: 1.38673870881 × 1011
Factors of 138673870881
Divisors of 138673870881
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 7 13 21 39 71 91 169 213 273 497 507 727 757 923 1183 1491 2181 2271 2769 3549 5089 5299 6461 9451 9841 11999 15267 15897 19383 28353 29523 35997 51617 53747 66157 68887 83993 122863 127933 154851 161241 198471 206661 251979 361319 368589 376229 383799 550339 671021 698711 860041 895531 1083957 1128687 1651017 2013063 2096133 2580123 2686593 3852373 4697147 4890977 7154407 8723273 9083243 11557119 14091441 14672931 21463221 26169819 27249729 39074069 50080849 61062911 63582701 93007291 117222207 150242547 183188733 190748103 273518483 279021873 507962897 651051037 820555449 1523888691 1953153111 3555740279 6603517661 10667220837 19810552983 46224623627 138673870881
- Sum of all divisors σ(n): 232666656768
- Sum of proper divisors (its aliquot sum) s(n): 93992785887
- 138673870881 is a deficient number, because the sum of its proper divisors (93992785887) is less than itself. Its deficiency is 44681084994
Bases of 138673870881
- Binary: 100000010010011001101101011000001000012
- Hexadecimal: 0x20499B5821
- Base-36: 1RPEUBKX
Squares and roots of 138673870881
- 138673870881 squared (1386738708812) is 19230442465120259716161
- 138673870881 cubed (1386738708813) is 2666759895392586242016096223007841
-
The
square root of 138673870881 is 372389.4075843189 -
The
cube root of 138673870881 is 5176.0470191989
Scales and comparisons
How big is 138673870881?- 138,673,870,881 seconds is equal to 4,409 years, 20 weeks, 5 days, 15 hours, 41 minutes, 21 seconds.
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To count from 1 to 138,673,870,881 would take you about eight thousand, eight hundred eighteen 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 138673870881 cubic inches would be around 431.3 feet tall.
Recreational maths with 138673870881
- 138673870881 backwards is 188078376831
- The number of decimal digits it has is: 12
- The sum of 138673870881's digits is 60
- More coming soon!
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