138878972820
138,878,972,820 is an even composite number composed of seven prime numbers multiplied together.
What does the number 138878972820 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 480 divisors.
138878972820 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 138878972820:
22 × 34 × 5 × 7 × 41 × 281 × 1063
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 41 × 281 × 1063)See below for interesting mathematical facts about the number 138878972820 from the Numbermatics database.
Names of 138878972820
- Cardinal: 138878972820 can be written as One hundred thirty-eight billion, eight hundred seventy-eight million, nine hundred seventy-two thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 1.3887897282 × 1011
Factors of 138878972820
Divisors of 138878972820
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 41 42 45 54 60 63 70 81 82 84 90 105 108 123 126 135 140 162 164 180 189 205 210 246 252 270 281 287 315 324 369 378 405 410 420 492 540 562 567 574 615 630 738 756 810 820 843 861 945 1063 1107 1124 1134 1148 1230 1260 1405 1435 1476 1620 1686 1722 1845 1890 1967 2126 2214 2268 2460 2529 2583 2810 2835 2870 3189 3321 3372 3444 3690 3780 3934 4215 4252 4305 4428 5058 5166 5315 5535 5620 5670 5740 5901 6378 6642 7380 7441 7587 7749 7868 8430 8610 9567 9835 10116 10332 10630 11070 11340 11521 11802 12645 12756 12915 13284 14882 15174 15498 15945 16605 16860 17220 17703 19134 19670 21260 22140 22323 22761 23042 23247 23604 25290 25830 28701 29505 29764 30348 30996 31890 33210 34563 35406 37205 37935 38268 38745 39340 43583 44646 45522 46084 46494 47835 50580 51660 53109 57402 57605 59010 63780 66420 66969 69126 70812 74410 75870 77490 80647 86103 87166 88515 89292 91044 92988 95670 103689 106218 111615 113805 114804 115210 116235 118020 130749 133938 138252 143505 148820 151740 154980 159327 161294 172206 172815 174332 177030 191340 200907 207378 212436 217915 223230 227610 230420 232470 241941 261498 265545 267876 287010 298703 305081 311067 318654 322588 334845 344412 345630 354060 392247 401814 403235 414756 430515 435830 446460 455220 464940 483882 518445 522996 531090 574020 597406 602721 610162 622134 637308 653745 669690 691260 725823 784494 796635 803628 806470 861030 871660 896109 915243 933201 967764 1004535 1036890 1062180 1176741 1194812 1205442 1209705 1220324 1244268 1307490 1339380 1451646 1493515 1525405 1555335 1568988 1593270 1612940 1722060 1792218 1830486 1866402 1961235 2009070 2073780 2090921 2177469 2353482 2410884 2419410 2614980 2688327 2745729 2903292 2987030 3013605 3050810 3110670 3186540 3530223 3584436 3629115 3660972 3732804 3922470 4018140 4181842 4354938 4480545 4576215 4666005 4706964 4838820 5376654 5491458 5883705 5974060 6027210 6101620 6221340 6272763 6532407 7060446 7258230 7844940 8064981 8237187 8363684 8709876 8961090 9152430 9332010 10454605 10753308 10887345 10982916 11767410 12054420 12246823 12545526 13064814 13441635 13728645 14120892 14516460 16129962 16474374 17651115 17922180 18304860 18664020 18818289 20909210 21774690 23534820 24194943 24493646 24711561 25091052 26129628 26883270 27457290 31363815 32259924 32662035 32948748 35302230 36740469 37636578 40324905 41185935 41818420 43549380 48389886 48987292 49423122 53766540 54914580 56454867 61234115 62727630 65324070 70604460 73480938 75273156 80649810 82371870 85727761 94091445 96779772 98846244 110221407 112909734 120974715 122468230 123557805 125455260 130648140 146961876 161299620 164743740 169364601 171455522 183702345 188182890 220442814 225819468 241949430 244936460 247115610 257183283 282274335 330664221 338729202 342911044 367404690 376365780 428638805 440885628 483898860 494231220 514366566 551107035 564548670 661328442 677458404 734809380 771549849 846823005 857277610 991992663 1028733132 1102214070 1129097340 1285916415 1322656884 1543099698 1653321105 1693646010 1714555220 1983985326 2204428140 2314649547 2571832830 3086199396 3306642210 3387292020 3857749245 3967970652 4629299094 4959963315 5143665660 6613284420 6943948641 7715498490 9258598188 9919926630 11573247735 13887897282 15430996980 19839853260 23146495470 27775794564 34719743205 46292990940 69439486410 138878972820
- Sum of all divisors σ(n): 512347562496
- Sum of proper divisors (its aliquot sum) s(n): 373468589676
- 138878972820 is an abundant number, because the sum of its proper divisors (373468589676) is greater than itself. Its abundance is 234589616856
Bases of 138878972820
- Binary: 100000010101011101010011110011100101002
- Hexadecimal: 0x2055D4F394
- Base-36: 1RSSYD90
Squares and roots of 138878972820
- 138878972820 squared (1388789728202) is 19287369091538298752400
- 138878972820 cubed (1388789728203) is 2678610007833055484423599509768000
-
The
square root of 138878972820 is 372664.6922100349 -
The
cube root of 138878972820 is 5178.5975941969
Scales and comparisons
How big is 138878972820?- 138,878,972,820 seconds is equal to 4,415 years, 47 weeks, 6 days, 12 hours, 27 minutes.
-
To count from 1 to 138,878,972,820 would take you about eight thousand, eight hundred thirty-one 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 138878972820 cubic inches would be around 431.5 feet tall.
Recreational maths with 138878972820
- 138878972820 backwards is 028279878831
- 138878972820 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138878972820's digits is 63
- More coming soon!
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