18057929890

Names of 18057929890

• Cardinal: 18057929890 can be written as Eighteen billion, fifty-seven million, nine hundred twenty-nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.805792989 × 10¹⁰

Factors of 18057929890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 932

Divisors of 18057929890

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 5 7 10 11 13 14 17 22 26 34 35 55 65 70 77 85 91 110 119 121 130 143 154 170 182 187 221 238 242 286 374 385 442 455 595 605 715 770 847 877 910 935 1001 1105 1190 1210 1309 1331 1430 1547 1573 1694 1754 1870 2002 2057 2210 2431 2618 2662 3094 3146 4114 4235 4385 4862 5005 6139 6545 6655 7735 7865 8470 8770 9317 9647 10010 10285 11011 11401 12155 12278 13090 13310 14399 14909 15470 15730 17017 17303 18634 19294 20570 22022 22627 22802 24310 26741 28798 29818 30695 34034 34606 45254 46585 48235 53482 55055 57005 61390 67529 71995 74545 79807 85085 86515 93170 96470 104363 106117 110110 113135 114010 121121 125411 133705 135058 143990 149090 158389 159614 163999 170170 173030 187187 193817 208726 212234 226270 242242 250822 267410 294151 316778 327998 337645 374374 387634 399035 521815 530585 588302 605605 627055 675290 742819 791945 798070 819995 877877 935935 969085 1043630 1061170 1147993 1167287 1211210 1254110 1356719 1379521 1470755 1485638 1583890 1639990 1755754 1803989 1871870 1938170 2059057 2131987 2295986 2334574 2713438 2759042 2941510 3607978 3714095 4118114 4263974 4389385 5739965 5836435 6783595 6897605 7428190 8171009 8778770 9019945 9656647 10295285 10659935 11479930 11672870 12627923 13567190 13795210 14923909 15174731 16342018 18039890 19313294 19843879 20590570 21319870 23451857 25255846 29847818 30349462 39687758 40855045 46903714 48283235 63139615 74619545 75873655 81710090 96566470 99219395 106223117 117259285 126279230 138907153 149239090 151747310 164162999 198438790 212446234 234518570 257970427 277814306 328325998 515940854 531115585 694535765 820814995 1062231170 1289852135 1389071530 1641629990 1805792989 2579704270 3611585978 9028964945 18057929890
• Sum of all divisors σ(n): 46644304896
• Sum of proper divisors (its aliquot sum) s(n): 28586375006
• 18057929890 is an abundant number, because the sum of its proper divisors (28586375006) is greater than itself. Its abundance is 10528445116

Bases of 18057929890

• Binary: 10000110100010101100010010010100010₂
• Hexadecimal: 0x4345624A2
• Base-36: 8AN83VM

Squares and roots of 18057929890

• 18057929890 squared (18057929890²) is 326088831912155412100
• 18057929890 cubed (18057929890³) is 5888489264581697070485857669000
• The square root of 18057929890 is 134379.7971794867
• The cube root of 18057929890 is 2623.5498513057

Scales and comparisons

• 18,057,929,890 seconds is equal to 574 years, 9 weeks, 4 days, 19 hours, 38 minutes, 10 seconds.
• To count from 1 to 18,057,929,890 would take you about one thousand, one hundred forty-eight 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 18057929890 cubic inches would be around 218.6 feet tall.

Recreational maths with 18057929890

• 18057929890 backwards is 09892975081
• The number of decimal digits it has is: 11
• The sum of 18057929890's digits is 58
• More coming soon!