138492231878
138,492,231,878 is an even composite number composed of six prime numbers multiplied together.
138492231878 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 138492231878:
2 × 7 × 11 × 134 × 23 × 372
(2 × 7 × 11 × 13 × 13 × 13 × 13 × 23 × 37 × 37)See below for interesting mathematical facts about the number 138492231878 from the Numbermatics database.
Names of 138492231878
- Cardinal: 138492231878 can be written as One hundred thirty-eight billion, four hundred ninety-two million, two hundred thirty-one thousand, eight hundred seventy-eight.
Scientific notation
- Scientific notation: 1.38492231878 × 1011
Factors of 138492231878
Divisors of 138492231878
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 7 11 13 14 22 23 26 37 46 74 77 91 143 154 161 169 182 253 259 286 299 322 338 407 481 506 518 598 814 851 962 1001 1183 1369 1702 1771 1859 2002 2093 2197 2366 2738 2849 3289 3367 3542 3718 3887 4186 4394 5291 5698 5957 6253 6578 6734 7774 9361 9583 10582 11063 11914 12506 13013 15059 15379 17797 18722 19166 22126 23023 24167 26026 27209 28561 30118 30758 31487 35594 37037 42757 43771 46046 48334 50531 54418 57122 62974 65527 68783 74074 77441 81289 85514 87542 101062 105413 121693 124579 131054 137566 143819 154882 162578 169169 195767 199927 210826 220409 231361 243386 249158 287638 299299 314171 338338 346357 353717 391534 399854 409331 440818 462722 481481 555841 569023 598598 628342 656903 692714 707434 818662 851851 894179 962962 1006733 1056757 1111682 1138046 1313806 1370369 1582009 1619527 1703702 1788358 1869647 2013466 2113514 2199197 2424499 2544971 2740738 2865317 3007693 3164018 3239054 3739294 3890887 4398394 4502641 4598321 4848998 5089942 5321303 5730634 6015386 6259253 7225933 7397299 7781774 9005282 9196642 10642606 11074063 11624327 12518506 13087529 14451866 14794598 17814797 20566117 21053851 22148126 23248654 24305411 26175058 31518487 33084623 35629594 37249121 39100009 41132234 42107702 48610822 50581531 58534333 63036974 66169246 69176939 74498242 78200018 81370289 101163062 117068666 138353878 143962819 162740578 170137877 231592361 267359521 273700063 287925638 340275754 409740331 430100099 463184722 484238573 534719042 547400126 760946329 819480662 860200198 899300207 968477146 1521892658 1798600414 1871516647 3010700693 3743033294 5326624303 6021401386 6295101449 9892302277 10653248606 12590202898 19784604554 69246115939 138492231878
- Sum of all divisors σ(n): 300906918144
- Sum of proper divisors (its aliquot sum) s(n): 162414686266
- 138492231878 is an abundant number, because the sum of its proper divisors (162414686266) is greater than itself. Its abundance is 23922454388
Bases of 138492231878
- Binary: 100000001111101100011111000000110001102
- Hexadecimal: 0x203EC7C0C6
- Base-36: 1RMEP612
Squares and roots of 138492231878
- 138492231878 squared (1384922318782) is 19180098290549719406884
- 138492231878 cubed (1384922318783) is 2656294619897643156186015557448152
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The
square root of 138492231878 is 372145.4445213591 -
The
cube root of 138492231878 is 5173.7861202971
Scales and comparisons
How big is 138492231878?- 138,492,231,878 seconds is equal to 4,403 years, 32 weeks, 3 days, 8 hours, 24 minutes, 38 seconds.
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To count from 1 to 138,492,231,878 would take you about eight thousand, eight hundred 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 138492231878 cubic inches would be around 431.1 feet tall.
Recreational maths with 138492231878
- 138492231878 backwards is 878132294831
- The number of decimal digits it has is: 12
- The sum of 138492231878's digits is 56
- More coming soon!
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