820452891349

Names of 820452891349

• Cardinal: 820452891349 can be written as Eight hundred twenty billion, four hundred fifty-two million, eight hundred ninety-one thousand, three hundred forty-nine.

Scientific notation

• Scientific notation: 8.20452891349 × 10¹¹

Factors of 820452891349

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 399

Divisors of 820452891349

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 13 53 91 127 199 371 689 889 1393 1651 2587 2809 4823 6731 10547 11557 16129 18109 19663 25273 36517 47117 73829 87503 112903 137111 176911 209677 255619 328549 356743 558991 612521 854837 959777 1339469 1467739 2299843 2497201 3209671 3912937 4637659 5983859 7266883 9376283 11112881 17413097 22467697 32463613 41725723 45306361 50868181 70991857 77790167 121891679 170112563 292080061 317144527 496942999 588982693 922894141 1190787941 2211463319 4122878851 6460258987 9015965839 15480243233 63111760873 117207555907 820452891349
• Sum of all divisors σ(n): 1042580918400
• Sum of proper divisors (its aliquot sum) s(n): 222128027051
• 820452891349 is a deficient number, because the sum of its proper divisors (222128027051) is less than itself. Its deficiency is 598324864298

Bases of 820452891349

• Binary: 1011111100000110110011011001101011010101₂
• Hexadecimal: 0xBF06CD9AD5
• Base-36: AGWSGUL1

Squares and roots of 820452891349

• 820452891349 squared (820452891349²) is 673142946922933999039801
• 820452891349 cubed (820452891349³) is 552282077094107642190499920179581549
• The square root of 820452891349 is 905788.5467088883
• The cube root of 820452891349 is 9361.6244842385

Scales and comparisons

• 820,452,891,349 seconds is equal to 26,087 years, 44 weeks, 6 days, 12 hours, 55 minutes, 49 seconds.
• To count from 1 to 820,452,891,349 would take you about fifty-two thousand, one hundred seventy-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 820452891349 cubic inches would be around 780.1 feet tall.

Recreational maths with 820452891349

• 820452891349 backwards is 943198254028
• The number of decimal digits it has is: 12
• The sum of 820452891349's digits is 55
• More coming soon!