64149979316743680

Names of 64149979316743680

• Cardinal: 64149979316743680 can be written as Sixty-four quadrillion, one hundred forty-nine trillion, nine hundred seventy-nine billion, three hundred sixteen million, seven hundred forty-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 6.414997931674368 × 10¹⁶

Factors of 64149979316743680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8352861890211

Divisors of 64149979316743680

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1280 1536 1920 2560 3840 7680 8352861890201 16705723780402 25058585670603 33411447560804 41764309451005 50117171341206 66822895121608 83528618902010 100234342682412 125292928353015 133645790243216 167057237804020 200468685364824 250585856706030 267291580486432 334114475608040 400937370729648 501171713412060 534583160972864 668228951216080 801874741459296 1002343426824120 1069166321945728 1336457902432160 1603749482918592 2004686853648240 2138332643891456 2672915804864320 3207498965837184 4009373707296480 4276665287782912 5345831609728640 6414997931674368 8018747414592960 10691663219457280 12829995863348736 16037494829185920 21383326438914560 32074989658371840 64149979316743680
• Sum of all divisors σ(n): 205079465128239504
• Sum of proper divisors (its aliquot sum) s(n): 140929485811495824
• 64149979316743680 is an abundant number, because the sum of its proper divisors (140929485811495824) is greater than itself. Its abundance is 76779506494752144

Bases of 64149979316743680

• Binary: 11100011111010000001000011111001100001011110111000000000₂
• Hexadecimal: 0xE3E810F985EE00
• Base-36: HJN9PNPT0QO

Squares and roots of 64149979316743680

• 64149979316743680 squared (64149979316743680²) is 4115219846338641941091998819942400
• 64149979316743680 cubed (64149979316743680³) is 263991268026476985547906935991152665993813164032000
• The square root of 64149979316743680 is 253278462.0072217669
• The cube root of 64149979316743680 is 400312.2131538457

Scales and comparisons

• 64,149,979,316,743,680 seconds is equal to 2,039,770,913 years, 18 weeks, 4 days, 7 hours, 28 minutes.
• To count from 1 to 64,149,979,316,743,680 would take you about six billion, one hundred nineteen million, three hundred twelve thousand, seven hundred forty 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 64149979316743680 cubic inches would be around 33359.4 feet tall.

Recreational maths with 64149979316743680

• 64149979316743680 backwards is 08634761397994146
• The number of decimal digits it has is: 17
• The sum of 64149979316743680's digits is 87
• More coming soon!