18493209799743972

Names of 18493209799743972

• Cardinal: 18493209799743972 can be written as Eighteen quadrillion, four hundred ninety-three trillion, two hundred nine billion, seven hundred ninety-nine million, seven hundred forty-three thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.8493209799743972 × 10¹⁶

Factors of 18493209799743972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 20886

Divisors of 18493209799743972

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 12 257 514 771 1028 1093 1542 2186 3084 3279 4372 6558 13116 19531 39062 58593 66049 78124 117186 132098 198147 234372 264196 280901 396294 561802 792588 842703 1123604 1194649 1685406 2389298 3370812 3583947 4778596 5019467 7167894 10038934 14335788 15058401 20077868 21347383 30116802 42694766 60233604 64042149 72191557 85389532 128084298 144383114 216574671 256168596 288766228 307024793 433149342 614049586 866298684 921074379 1228099172 1290003019 1842148758 2580006038 3684297516 3870009057 5160012076 5486277431 7740018114 10972554862 15480036228 16458832293 21945109724 23332689619 32917664586 46665379238 65835329172 69998068857 78905371801 93330758476 139996137714 157810743602 236716115403 279992275428 315621487204 473432230806 946864461612 1409973299767 2819946599534 4229919899301 5639893199068 5996501232083 8459839798602 11993002464166 16919679597204 17989503696249 23986004928332 35979007392498 71958014784996 1541100816645331 3082201633290662 4623302449935993 6164403266581324 9246604899871986 18493209799743972
• Sum of all divisors σ(n): 43361267954612496
• Sum of proper divisors (its aliquot sum) s(n): 24868058154868524
• 18493209799743972 is an abundant number, because the sum of its proper divisors (24868058154868524) is greater than itself. Its abundance is 6374848355124552

Bases of 18493209799743972

• Binary: 1000001101100110111100111110000110111101101100111100100₂
• Hexadecimal: 0x41B379F0DED9E4
• Base-36: 523ANAQ8NAC

Squares and roots of 18493209799743972

• 18493209799743972 squared (18493209799743972²) is 341998808697346480962716750336784
• 18493209799743972 cubed (18493209799743972³) is 6324655720502531904742062617124444725127973866048
• The square root of 18493209799743972 is 135989741.5239251495
• The cube root of 18493209799743972 is 264446.2617864353

Scales and comparisons

• 18,493,209,799,743,972 seconds is equal to 588,026,868 years, 19 weeks, 4 days, 15 hours, 6 minutes, 12 seconds.
• To count from 1 to 18,493,209,799,743,972 would take you about one billion, seven hundred sixty-four million, eighty thousand, six hundred 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 18493209799743972 cubic inches would be around 22037.2 feet tall.

Recreational maths with 18493209799743972

• 18493209799743972 backwards is 27934799790239481
• The number of decimal digits it has is: 17
• The sum of 18493209799743972's digits is 93
• More coming soon!