40813521519879656820

Names of 40813521519879656820

• Cardinal: 40813521519879656820 can be written as Forty quintillion, eight hundred thirteen quadrillion, five hundred twenty-one trillion, five hundred nineteen billion, eight hundred seventy-nine million, six hundred fifty-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 4.081352151987965682 × 10¹⁹

Factors of 40813521519879656820

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 226741786221553659

Divisors of 40813521519879656820

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 226741786221553649 453483572443107298 680225358664660947 906967144886214596 1133708931107768245 1360450717329321894 2040676075993982841 2267417862215536490 2720901434658643788 3401126793323304735 4081352151987965682 4534835724431072980 6802253586646609470 8162704303975931364 10203380379969914205 13604507173293218940 20406760759939828410 40813521519879656820
• Sum of all divisors σ(n): 123801015276968292900
• Sum of proper divisors (its aliquot sum) s(n): 82987493757088636080
• 40813521519879656820 is an abundant number, because the sum of its proper divisors (82987493757088636080) is greater than itself. Its abundance is 42173972237208979260

Bases of 40813521519879656820

• Binary: 100011011001100110110000011001010101000001001100000001010101110100₂
• Hexadecimal: 0x23666C19541301574
• Base-36: 8M2Y9WYSE8QD0

Squares and roots of 40813521519879656820

• 40813521519879656820 squared (40813521519879656820²) is 1665743538853679852466584015280972512400
• 40813521519879656820 cubed (40813521519879656820³) is 67984859769605157915305246400410220917229786022365194568000
• The square root of 40813521519879656820 is 6388546119.4139983151
• The cube root of 40813521519879656820 is 3442981.5033789671

Scales and comparisons

• 40,813,521,519,879,656,820 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 40,813,521,519,879,656,820 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 40813521519879656820 cubic inches would be around 286915.1 feet tall.

Recreational maths with 40813521519879656820

• 40813521519879656820 backwards is 02865697891512531804
• 40813521519879656820 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 40813521519879656820's digits is 90
• More coming soon!