139478802820

Names of 139478802820

• Cardinal: 139478802820 can be written as One hundred thirty-nine billion, four hundred seventy-eight million, eight hundred two thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.3947880282 × 10¹¹

Factors of 139478802820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1044

Divisors of 139478802820

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 14 17 20 28 31 34 35 41 49 62 68 70 82 85 98 119 124 140 155 164 170 196 205 217 238 245 287 310 340 343 410 434 476 490 527 574 595 620 686 697 820 833 868 941 980 1054 1085 1148 1190 1271 1372 1394 1435 1519 1666 1715 1882 2009 2108 2170 2380 2542 2635 2788 2870 3038 3332 3430 3485 3689 3764 4018 4165 4340 4705 4879 5084 5270 5740 5831 6076 6355 6587 6860 6970 7378 7595 8036 8330 8897 9410 9758 10045 10540 10633 11662 12710 13174 13940 14063 14756 15190 15997 16660 17794 18445 18820 19516 20090 21266 21607 23324 24395 25420 25823 26348 28126 29155 29171 30380 31994 32935 34153 35588 36890 38581 40180 42532 43214 44485 46109 48790 51646 53165 56252 58310 58342 62279 63988 65870 68306 70315 73780 77162 79985 86428 88970 92218 97580 103292 106330 108035 111979 116620 116684 124558 129115 131740 136612 140630 145855 151249 154324 159970 170765 177940 180761 184436 192905 204197 212660 216070 223958 230545 239071 249116 258230 270067 281260 291710 302498 311395 319940 322763 341530 361522 385810 408394 432140 435953 447916 461090 478142 495907 516460 540134 559895 583420 604996 622790 645526 655877 683060 723044 756245 771620 783853 816788 871906 903805 922180 956284 991814 1020985 1058743 1080268 1119790 1195355 1196011 1245580 1291052 1311754 1350335 1429379 1512490 1567706 1613815 1743812 1807610 1890469 1983628 2041970 2117486 2179765 2239580 2390710 2392022 2479535 2623508 2700670 2858758 3024980 3135412 3227630 3279385 3471349 3615220 3780938 3919265 4083940 4234972 4359530 4591139 4781420 4784044 4959070 5293715 5401340 5486971 5717516 5980055 6455260 6558770 6942698 7146895 7411201 7561876 7838530 8372077 8719060 9182278 9452345 9918140 10005653 10587430 10973942 11960110 13117540 13233283 13885396 14293790 14822402 15677060 16744154 17356745 18364556 18904690 20011306 20332187 21174860 21947884 22955695 23920220 24299443 26466566 27434855 28587580 29644804 32137973 33488308 34713490 37056005 37809380 40022612 40664374 41860385 45911390 48598886 50028265 52933132 54869710 58604539 64275946 66166415 69426980 74112010 81328748 83720770 91822780 97197772 100056530 101660935 109739420 117209078 121497215 128551892 132332830 142325309 148224020 160689865 167441540 170096101 200113060 203321870 224965811 234418156 242994430 264665660 284650618 293022695 321379730 340192202 406643740 410231773 449931622 485988860 569301236 586045390 642759460 680384404 711626545 820463546 850480505 899863244 996277163 1124829055 1172090780 1423253090 1640927092 1700961010 1992554326 2051158865 2249658110 2846506180 3401922020 3985108652 4102317730 4499316220 4981385815 6973940141 8204635460 9962771630 13947880282 19925543260 27895760564 34869700705 69739401410 139478802820
• Sum of all divisors σ(n): 382852915200
• Sum of proper divisors (its aliquot sum) s(n): 243374112380
• 139478802820 is an abundant number, because the sum of its proper divisors (243374112380) is greater than itself. Its abundance is 103895309560

Bases of 139478802820

• Binary: 10000001111001100101011010000110000100₂
• Hexadecimal: 0x207995A184
• Base-36: 1S2Q2T1G

Squares and roots of 139478802820

• 139478802820 squared (139478802820²) is 19454336436100439952400
• 139478802820 cubed (139478802820³) is 2713467555764794793836049785768000
• The square root of 139478802820 is 373468.6102204575
• The cube root of 139478802820 is 5186.0424860557

Scales and comparisons

• 139,478,802,820 seconds is equal to 4,434 years, 51 weeks, 4 days, 23 hours, 53 minutes, 40 seconds.
• To count from 1 to 139,478,802,820 would take you about eight thousand, eight hundred sixty-nine 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 139478802820 cubic inches would be around 432.2 feet tall.

Recreational maths with 139478802820

• 139478802820 backwards is 028208874931
• The number of decimal digits it has is: 12
• The sum of 139478802820's digits is 52
• More coming soon!