138891918077731
138,891,918,077,731 is an odd composite number composed of four prime numbers multiplied together.
138891918077731 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 138891918077731:
7 × 133 × 294 × 1132
(7 × 13 × 13 × 13 × 29 × 29 × 29 × 29 × 113 × 113)See below for interesting mathematical facts about the number 138891918077731 from the Numbermatics database.
Names of 138891918077731
- Cardinal: 138891918077731 can be written as One hundred thirty-eight trillion, eight hundred ninety-one billion, nine hundred eighteen million, seventy-seven thousand, seven hundred thirty-one.
Scientific notation
- Scientific notation: 1.38891918077731 × 1014
Factors of 138891918077731
Divisors of 138891918077731
- Number of divisors d(n): 120
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Complete list of divisors:
1 7 13 29 91 113 169 203 377 791 841 1183 1469 2197 2639 3277 4901 5887 10283 10933 12769 15379 19097 22939 24389 34307 42601 63713 76531 89383 95033 133679 142129 165997 170723 248261 298207 317057 370301 445991 553813 665231 707281 994903 1161979 1235429 1737827 1847677 2157961 2219399 2592107 2755957 3876691 4121741 4813913 4950967 7199569 8648003 9194653 10738729 12933739 15105727 16060577 19291699 28053493 28852187 33697391 35827441 50396983 53582633 62580869 64362571 75171103 79922753 112424039 119530489 139603477 196374451 208787501 250792087 311423141 375078431 438066083 465756733 559459271 813551297 836713423 977224339 1038995789 1461512507 1553896357 1814845201 2179961987 3260297131 4048500833 5694859079 6054837529 7272970523 9031271089 10877274499 12703916407 13506945257 23592987613 28339505831 42383862703 52630510829 63218897623 94548616799 117406524157 165150913291 175590288341 368413575803 684196640777 821845669099 1229132018387 1526284814041 4789376485439 10683993698287 19841702582533 138891918077731
- Sum of all divisors σ(n): 179686681385120
- Sum of proper divisors (its aliquot sum) s(n): 40794763307389
- 138891918077731 is a deficient number, because the sum of its proper divisors (40794763307389) is less than itself. Its deficiency is 98097154770342
Bases of 138891918077731
- Binary: 111111001010010010010110111000001101111001000112
- Hexadecimal: 0x7E524B706F23
- Base-36: 1D8E2DXUSJ
Squares and roots of 138891918077731
- 138891918077731 squared (1388919180777312) is 19290964907311139362158108361
- 138891918077731 cubed (1388919180777313) is 2679359117546642361985638463271038319008891
-
The
square root of 138891918077731 is 11785241.5366733573 -
The
cube root of 138891918077731 is 51787.5849255887
Scales and comparisons
How big is 138891918077731?- 138,891,918,077,731 seconds is equal to 4,416,333 years, 19 weeks, 3 days, 2 hours, 55 minutes, 31 seconds.
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To count from 1 to 138,891,918,077,731 would take you about eleven million, forty thousand, eight hundred thirty-three 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 138891918077731 cubic inches would be around 4315.6 feet tall.
Recreational maths with 138891918077731
- 138891918077731 backwards is 137770819198831
- The number of decimal digits it has is: 15
- The sum of 138891918077731's digits is 73
- More coming soon!
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