138697121745
138,697,121,745 is an odd composite number composed of six prime numbers multiplied together.
138697121745 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 138697121745:
34 × 5 × 72 × 13 × 421 × 1277
(3 × 3 × 3 × 3 × 5 × 7 × 7 × 13 × 421 × 1277)See below for interesting mathematical facts about the number 138697121745 from the Numbermatics database.
Names of 138697121745
- Cardinal: 138697121745 can be written as One hundred thirty-eight billion, six hundred ninety-seven million, one hundred twenty-one thousand, seven hundred forty-five.
Scientific notation
- Scientific notation: 1.38697121745 × 1011
Factors of 138697121745
Divisors of 138697121745
- Number of divisors d(n): 240
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Complete list of divisors:
1 3 5 7 9 13 15 21 27 35 39 45 49 63 65 81 91 105 117 135 147 189 195 245 273 315 351 405 421 441 455 567 585 637 735 819 945 1053 1263 1277 1323 1365 1755 1911 2105 2205 2457 2835 2947 3185 3789 3831 3969 4095 5265 5473 5733 6315 6385 6615 7371 8841 8939 9555 11367 11493 12285 14735 16419 16601 17199 18945 19155 19845 20629 26523 26817 27365 28665 34101 34479 36855 38311 44205 44695 49257 49803 51597 56835 57465 61887 62573 79569 80451 82095 83005 85995 103145 103437 114933 116207 132615 134085 147771 149409 170505 172395 185661 187719 191555 238707 241353 246285 249015 257985 268177 309435 312865 344799 348621 397845 402255 443313 448227 517185 537617 556983 563157 574665 581035 724059 738855 747045 804531 813449 928305 938595 1034397 1045863 1193535 1206765 1340885 1344681 1612851 1670949 1689471 1723995 1743105 2216565 2241135 2413593 2440347 2688085 2784915 2815785 3103191 3137589 3620295 3763319 4022655 4067245 4838553 5068413 5171985 5229315 6723405 6989021 7240779 7321041 8064255 8354745 8447355 9412767 11289957 12067965 12201735 14515659 15515955 15687945 18816595 20967063 21722337 21963123 24192765 25342065 26343233 33869871 34945105 36203895 36605205 43546977 47063835 48923147 56449785 62901189 65889369 72578295 79029699 101609613 104835315 108611685 109815615 131716165 146769441 169349355 188703567 217734885 237089097 244615735 304828839 314505945 329446845 342462029 395148495 440308323 508048065 566110701 711267291 733847205 943517835 1027386087 1185445485 1320924969 1524144195 1712310145 2133801873 2201541615 2830553505 3082158261 3556336455 3962774907 5136930435 6604624845 9246474783 10669009365 15410791305 19813874535 27739424349 46232373915 138697121745
- Sum of all divisors σ(n): 312451645968
- Sum of proper divisors (its aliquot sum) s(n): 173754524223
- 138697121745 is an abundant number, because the sum of its proper divisors (173754524223) is greater than itself. Its abundance is 35057402478
Bases of 138697121745
- Binary: 100000010010101111111000011111110100012
- Hexadecimal: 0x204AFE1FD1
- Base-36: 1RPSOO29
Squares and roots of 138697121745
- 138697121745 squared (1386971217452) is 19236891580347351845025
- 138697121745 cubed (1386971217453) is 2668101493514802108237782797568625
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The
square root of 138697121745 is 372420.6247578133 -
The
cube root of 138697121745 is 5176.3362850353
Scales and comparisons
How big is 138697121745?- 138,697,121,745 seconds is equal to 4,410 years, 7 weeks, 1 day, 18 hours, 15 minutes, 45 seconds.
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To count from 1 to 138,697,121,745 would take you about eight thousand, eight hundred twenty 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 138697121745 cubic inches would be around 431.4 feet tall.
Recreational maths with 138697121745
- 138697121745 backwards is 547121796831
- The number of decimal digits it has is: 12
- The sum of 138697121745's digits is 54
- More coming soon!
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