18336139920

Names of 18336139920

• Cardinal: 18336139920 can be written as Eighteen billion, three hundred thirty-six million, one hundred thirty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.833613992 × 10¹⁰

Factors of 18336139920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16133

Divisors of 18336139920

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 229 240 252 280 315 336 360 420 458 504 560 630 687 720 840 916 1008 1145 1260 1374 1603 1680 1832 2061 2290 2520 2748 3206 3435 3664 4122 4580 4809 5040 5496 6412 6870 8015 8244 9160 9618 10305 10992 12824 13740 14427 15887 16030 16488 18320 19236 20610 24045 25648 27480 28854 31774 32060 32976 38472 41220 47661 48090 54960 57708 63548 64120 72135 76944 79435 82440 95322 96180 111209 115416 127096 128240 142983 144270 158870 164880 190644 192360 222418 230832 238305 254192 285966 288540 317740 333627 381288 384720 444836 476610 556045 571932 577080 635480 667254 714915 762576 889672 953220 1000881 1112090 1143864 1154160 1270960 1334508 1429830 1668135 1779344 1906440 2001762 2224180 2287728 2669016 2859660 3336270 3638123 3812880 4003524 4448360 5004405 5338032 5719320 6672540 7276246 8007048 8896720 10008810 10914369 11438640 13345080 14552492 16014096 18190615 20017620 21828738 25466861 26690160 29104984 32743107 36381230 40035240 43657476 50933722 54571845 58209968 65486214 72762460 76400583 80070480 87314952 101867444 109143690 127334305 130972428 145524920 152801166 163715535 174629904 203734888 218287380 229201749 254668610 261944856 291049840 305602332 327431070 382002915 407469776 436574760 458403498 509337220 523889712 611204664 654862140 764005830 873149520 916806996 1018674440 1146008745 1222409328 1309724280 1528011660 1833613992 2037348880 2292017490 2619448560 3056023320 3667227984 4584034980 6112046640 9168069960 18336139920
• Sum of all divisors σ(n): 70687618560
• Sum of proper divisors (its aliquot sum) s(n): 52351478640
• 18336139920 is an abundant number, because the sum of its proper divisors (52351478640) is greater than itself. Its abundance is 34015338720

Bases of 18336139920

• Binary: 10001000100111010110100101010010000₂
• Hexadecimal: 0x444EB4A90
• Base-36: 8F8V440

Squares and roots of 18336139920

• 18336139920 squared (18336139920²) is 336214027165817606400
• 18336139920 cubed (18336139920³) is 6164867445179112672149887488000
• The square root of 18336139920 is 135411.0036887697
• The cube root of 18336139920 is 2636.9545115093

Scales and comparisons

• 18,336,139,920 seconds is equal to 583 years, 1 week, 4 days, 20 hours, 12 minutes.
• To count from 1 to 18,336,139,920 would take you about one thousand, one hundred sixty-six 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 18336139920 cubic inches would be around 219.7 feet tall.

Recreational maths with 18336139920

• 18336139920 backwards is 02993163381
• 18336139920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18336139920's digits is 45
• More coming soon!