7139985720

Names of 7139985720

• Cardinal: 7139985720 can be written as Seven billion, one hundred thirty-nine million, nine hundred eighty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 7.13998572 × 10⁹

Factors of 7139985720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 192

Divisors of 7139985720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 17 20 21 24 28 30 31 34 35 40 42 51 56 60 62 68 70 84 85 93 102 105 119 120 124 127 136 140 155 168 170 186 204 210 217 238 248 254 255 280 310 340 357 372 381 408 420 434 465 476 508 510 527 595 620 635 651 680 714 744 762 840 868 889 930 952 1016 1020 1054 1085 1190 1240 1270 1302 1428 1524 1581 1736 1778 1785 1860 1905 2040 2108 2159 2170 2380 2540 2604 2635 2667 2856 3048 3162 3255 3556 3570 3689 3720 3810 3937 4216 4318 4340 4445 4760 5080 5208 5270 5334 6324 6477 6510 7112 7140 7378 7620 7874 7905 8636 8680 8890 10540 10668 10795 11067 11811 12648 12954 13020 13335 14280 14756 15113 15240 15748 15810 16129 17272 17780 18445 19685 21080 21336 21590 22134 23622 25908 26040 26670 27559 29512 30226 31496 31620 32258 32385 35560 36890 39370 43180 44268 45339 47244 48387 51816 53340 55118 55335 59055 60452 63240 64516 64770 66929 73780 75565 78740 80645 82677 86360 88536 90678 94488 96774 106680 110236 110670 112903 118110 120904 129032 129540 133858 137795 147560 151130 157480 161290 165354 181356 193548 200787 220472 221340 225806 226695 236220 241935 259080 267716 274193 275590 302260 322580 330708 334645 338709 362712 387096 401574 413385 442680 451612 453390 468503 472440 483870 499999 535432 548386 551180 564515 604520 645160 661416 669290 677418 803148 822579 826770 903224 906780 937006 967740 999998 1003935 1096772 1102360 1129030 1338580 1354836 1370965 1405509 1499997 1606296 1645158 1653540 1693545 1813560 1874012 1919351 1935480 1999996 2007870 2193544 2258060 2342515 2499995 2677160 2709672 2741930 2811018 2999994 3290316 3307080 3387090 3499993 3748024 3838702 3999992 4015740 4112895 4516120 4685030 4999990 5483860 5622036 5758053 5999988 6580632 6774180 6999986 7027545 7499985 7677404 8031480 8225790 8499983 9370060 9596755 9999980 10499979 10967720 11244072 11516106 11999976 13548360 13999972 14055090 14999970 15354808 16451580 16999966 17499965 18740120 19193510 19999960 20999958 23032212 25499949 27999944 28110180 28790265 29999940 32903160 33999932 34999930 38387020 41999916 42499915 46064424 50999898 52499895 56220360 57580530 59499881 59999880 67999864 69999860 76774040 83999832 84999830 101999796 104999790 115161060 118999762 127499745 139999720 169999660 178499643 203999592 209999580 230322120 237999524 254999490 297499405 339999320 356999286 419999160 475999048 509998980 594998810 713998572 892498215 1019997960 1189997620 1427997144 1784996430 2379995240 3569992860 7139985720
• Sum of all divisors σ(n): 26968412160
• Sum of proper divisors (its aliquot sum) s(n): 19828426440
• 7139985720 is an abundant number, because the sum of its proper divisors (19828426440) is greater than itself. Its abundance is 12688440720

Bases of 7139985720

• Binary: 110101001100100111000100100111000₂
• Hexadecimal: 0x1A9938938
• Base-36: 3A2YO8O

Squares and roots of 7139985720

• 7139985720 squared (7139985720²) is 50979396081803918400
• 7139985720 cubed (7139985720³) is 363992160038303929216045248000
• The square root of 7139985720 is 84498.4361985477
• The cube root of 7139985720 is 1925.5986866703

Scales and comparisons

• 7,139,985,720 seconds is equal to 227 years, 1 week, 3 days, 17 hours, 22 minutes.
• To count from 1 to 7,139,985,720 would take you about four hundred fifty-four 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 7139985720 cubic inches would be around 160.5 feet tall.

Recreational maths with 7139985720

• 7139985720 backwards is 0275899317
• 7139985720 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7139985720's digits is 51
• More coming soon!