18979650765720

Names of 18979650765720

• Cardinal: 18979650765720 can be written as Eighteen trillion, nine hundred seventy-nine billion, six hundred fifty million, seven hundred sixty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.897965076572 × 10¹³

Factors of 18979650765720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5857916913

Divisors of 18979650765720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 1080 1620 3240 5857916903 11715833806 17573750709 23431667612 29289584515 35147501418 46863335224 52721252127 58579169030 70295002836 87868753545 105442504254 117158338060 140590005672 158163756381 175737507090 210885008508 234316676120 263606260635 316327512762 351475014180 421770017016 474491269143 527212521270 632655025524 702950028360 790818781905 948982538286 1054425042540 1265310051048 1581637563810 1897965076572 2108850085080 2372456345715 3163275127620 3795930153144 4744912691430 6326550255240 9489825382860 18979650765720
• Sum of all divisors σ(n): 63792715084560
• Sum of proper divisors (its aliquot sum) s(n): 44813064318840
• 18979650765720 is an abundant number, because the sum of its proper divisors (44813064318840) is greater than itself. Its abundance is 25833413553120

Bases of 18979650765720

• Binary: 100010100001100001011010101111000001110011000₂
• Hexadecimal: 0x11430B578398
• Base-36: 6Q74Q0XI0

Squares and roots of 18979650765720

• 18979650765720 squared (18979650765720²) is 360227143188695782327118400
• 18979650765720 cubed (18979650765720³) is 6836985374054457987493027184081101248000
• The square root of 18979650765720 is 4356564.1009538701
• The cube root of 18979650765720 is 26674.4867807033

Scales and comparisons

• 18,979,650,765,720 seconds is equal to 603,494 years, 9 weeks, 4 days, 20 hours, 42 minutes.
• To count from 1 to 18,979,650,765,720 would take you about one million, five hundred eight thousand, seven hundred thirty-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 18979650765720 cubic inches would be around 2222.9 feet tall.

Recreational maths with 18979650765720

• 18979650765720 backwards is 02756705697981
• 18979650765720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18979650765720's digits is 72
• More coming soon!