138784883720

Names of 138784883720

• Cardinal: 138784883720 can be written as One hundred thirty-eight billion, seven hundred eighty-four million, eight hundred eighty-three thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.3878488372 × 10¹¹

Factors of 138784883720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 609

Divisors of 138784883720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 79 127 140 158 254 280 316 389 395 508 553 632 635 778 790 889 1016 1106 1270 1556 1580 1778 1945 2212 2540 2723 2765 3112 3160 3556 3890 4424 4445 5080 5446 5530 7112 7780 8890 10033 10892 11060 13615 15560 16129 17780 20066 21784 22120 27230 30731 32258 35560 40132 49403 50165 54460 61462 64516 70231 80264 80645 98806 100330 108920 112903 122924 129032 140462 153655 161290 197612 200660 215117 225806 245848 247015 280924 307310 322580 345821 351155 395224 401320 430234 451612 494030 561848 564515 614620 645160 691642 702310 860468 903224 988060 1075585 1129030 1229240 1274191 1383284 1404620 1720936 1729105 1976120 2151170 2258060 2548382 2766568 2809240 3458210 3902837 4302340 4516120 5096764 6274181 6370955 6916420 7805674 8604680 8919337 10193528 12548362 12741910 13832840 15611348 17838674 19514185 25096724 25483820 27319859 31222696 31370905 35677348 39028370 43919267 44596685 50193448 50967640 54639718 62741810 71354696 78056740 87838534 89193370 109279436 125483620 136599295 156113480 175677068 178386740 218558872 219596335 250967240 273198590 351354136 356773480 439192670 495660299 546397180 878385340 991320598 1092794360 1756770680 1982641196 2478301495 3469622093 3965282392 4956602990 6939244186 9913205980 13878488372 17348110465 19826411960 27756976744 34696220930 69392441860 138784883720
• Sum of all divisors σ(n): 365197248000
• Sum of proper divisors (its aliquot sum) s(n): 226412364280
• 138784883720 is an abundant number, because the sum of its proper divisors (226412364280) is greater than itself. Its abundance is 87627480560

Bases of 138784883720

• Binary: 10000001010000001110010100010000001000₂
• Hexadecimal: 0x2050394408
• Base-36: 1RR8XPMW

Squares and roots of 138784883720

• 138784883720 squared (138784883720²) is 19261243949173921038400
• 138784883720 cubed (138784883720³) is 2673169501788656221370805654848000
• The square root of 138784883720 is 372538.4325408587
• The cube root of 138784883720 is 5177.4278474887

Scales and comparisons

• 138,784,883,720 seconds is equal to 4,412 years, 48 weeks, 2 days, 12 hours, 35 minutes, 20 seconds.
• To count from 1 to 138,784,883,720 would take you about eight thousand, eight hundred twenty-five 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 138784883720 cubic inches would be around 431.5 feet tall.

Recreational maths with 138784883720

• 138784883720 backwards is 027388487831
• The number of decimal digits it has is: 12
• The sum of 138784883720's digits is 59
• More coming soon!