138731121009
138,731,121,009 is an odd composite number composed of four prime numbers multiplied together.
138731121009 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 138731121009:
36 × 13 × 172 × 373
(3 × 3 × 3 × 3 × 3 × 3 × 13 × 17 × 17 × 37 × 37 × 37)See below for interesting mathematical facts about the number 138731121009 from the Numbermatics database.
Names of 138731121009
- Cardinal: 138731121009 can be written as One hundred thirty-eight billion, seven hundred thirty-one million, one hundred twenty-one thousand and nine.
Scientific notation
- Scientific notation: 1.38731121009 × 1011
Factors of 138731121009
Divisors of 138731121009
- Number of divisors d(n): 168
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Complete list of divisors:
1 3 9 13 17 27 37 39 51 81 111 117 153 221 243 289 333 351 459 481 629 663 729 867 999 1053 1369 1377 1443 1887 1989 2601 2997 3159 3757 4107 4131 4329 5661 5967 7803 8177 8991 9477 10693 11271 12321 12393 12987 16983 17797 17901 23273 23409 24531 26973 32079 33813 36963 38961 50653 50949 53391 53703 69819 70227 73593 96237 101439 110889 116883 139009 151959 152847 160173 161109 209457 210681 220779 288711 302549 304317 332667 350649 395641 417027 455877 458541 480519 628371 658489 662337 861101 866133 907647 912951 998001 1186923 1251081 1367631 1441557 1885113 1975467 1987011 2583303 2598399 2722941 2738853 3560769 3753243 4102893 4324671 5143333 5655339 5926401 5961033 7749909 7795197 8168823 10682307 11194313 11259729 12308679 12974013 14638717 15429999 16966017 17779203 23249727 24506469 32046921 33582939 33779187 36926037 43916151 46289997 53337609 69749181 73519407 96140763 100748817 101337561 131748453 138869991 160012827 190303321 209247543 220558221 288422289 302246451 395245359 416609973 480038481 570909963 627742629 906739353 1185736077 1249829919 1712729889 2720218059 3557208231 3749489757 5138189667 8160654177 10671624693 15414569001 46243707003 138731121009
- Sum of all divisors σ(n): 244562990840
- Sum of proper divisors (its aliquot sum) s(n): 105831869831
- 138731121009 is a deficient number, because the sum of its proper divisors (105831869831) is less than itself. Its deficiency is 32899251178
Bases of 138731121009
- Binary: 100000010011010000010011101001011100012
- Hexadecimal: 0x204D04E971
- Base-36: 1RQCXE29
Squares and roots of 138731121009
- 138731121009 squared (1387311210092) is 19246323936413801178081
- 138731121009 cubed (1387311210093) is 2670064095001036272734021969403729
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The
square root of 138731121009 is 372466.2682834515 -
The
cube root of 138731121009 is 5176.7592143729
Scales and comparisons
How big is 138731121009?- 138,731,121,009 seconds is equal to 4,411 years, 11 weeks, 3 days, 6 hours, 30 minutes, 9 seconds.
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To count from 1 to 138,731,121,009 would take you about eight thousand, eight hundred twenty-two 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 138731121009 cubic inches would be around 431.4 feet tall.
Recreational maths with 138731121009
- 138731121009 backwards is 900121137831
- The number of decimal digits it has is: 12
- The sum of 138731121009's digits is 36
- More coming soon!
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