8445401391020

Names of 8445401391020

• Cardinal: 8445401391020 can be written as Eight trillion, four hundred forty-five billion, four hundred one million, three hundred ninety-one thousand and twenty.

Scientific notation

• Scientific notation: 8.44540139102 × 10¹²

Factors of 8445401391020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 70180068

Divisors of 8445401391020

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 10 11 20 22 44 55 110 220 547 1094 2188 2735 5470 6017 10940 12034 24068 30085 60170 120340 70179503 140359006 280718012 350897515 701795030 771974533 1403590060 1543949066 3087898132 3859872665 7719745330 15439490660 38388188141 76776376282 153552752564 191940940705 383881881410 422270069551 767763762820 844540139102 1689080278204 2111350347755 4222700695510 8445401391020
• Sum of all divisors σ(n): 19383017568768
• Sum of proper divisors (its aliquot sum) s(n): 10937616177748
• 8445401391020 is an abundant number, because the sum of its proper divisors (10937616177748) is greater than itself. Its abundance is 2492214786728

Bases of 8445401391020

• Binary: 1111010111001011001001001100101111110101100₂
• Hexadecimal: 0x7AE59265FAC
• Base-36: 2ZRRHXMZW

Squares and roots of 8445401391020

• 8445401391020 squared (8445401391020²) is 71324804655442550936640400
• 8445401391020 cubed (8445401391020³) is 602366604451304291494000038045529208000
• The square root of 8445401391020 is 2906097.2783133051
• The cube root of 8445401391020 is 20364.4850084587

Scales and comparisons

• 8,445,401,391,020 seconds is equal to 268,537 years, 33 weeks, 2 days, 6 hours, 50 minutes, 20 seconds.
• To count from 1 to 8,445,401,391,020 would take you about six hundred seventy-one thousand, three hundred forty-four 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 8445401391020 cubic inches would be around 1697 feet tall.

Recreational maths with 8445401391020

• 8445401391020 backwards is 0201931045448
• The number of decimal digits it has is: 13
• The sum of 8445401391020's digits is 41
• More coming soon!