820996653609

Names of 820996653609

• Cardinal: 820996653609 can be written as Eight hundred twenty billion, nine hundred ninety-six million, six hundred fifty-three thousand, six hundred nine.

Scientific notation

• Scientific notation: 8.20996653609 × 10¹¹

Factors of 820996653609

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8173

Divisors of 820996653609

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 11 27 33 99 191 297 573 1719 2101 2801 5157 5167 6303 8403 15501 18909 25209 30811 46503 56727 56837 75627 92433 139509 170511 277299 511533 534991 831897 986897 1534599 1604973 2960691 4814919 5884901 8882073 10855867 14444757 14472767 17654703 26646219 32567601 43418301 52964109 97702803 130254903 158892327 159200437 293108409 390764709 477601311 1432803933 2764298497 4298411799 8292895491 24878686473 30407283467 74636059419 91221850401 273665551203 820996653609
• Sum of all divisors σ(n): 1334544629760
• Sum of proper divisors (its aliquot sum) s(n): 513547976151
• 820996653609 is a deficient number, because the sum of its proper divisors (513547976151) is less than itself. Its deficiency is 307448677458

Bases of 820996653609

• Binary: 1011111100100111001101101100001000101001₂
• Hexadecimal: 0xBF2736C229
• Base-36: AH5S7K89

Squares and roots of 820996653609

• 820996653609 squared (820996653609²) is 674035505237176332724881
• 820996653609 cubed (820996653609³) is 553380894213373363027382057452745529
• The square root of 820996653609 is 906088.6565943755
• The cube root of 820996653609 is 9363.6921934123

Scales and comparisons

• 820,996,653,609 seconds is equal to 26,105 years, 8 weeks, 2 hours, 9 seconds.
• To count from 1 to 820,996,653,609 would take you about fifty-two thousand, two hundred ten 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 820996653609 cubic inches would be around 780.3 feet tall.

Recreational maths with 820996653609

• 820996653609 backwards is 906356699028
• The number of decimal digits it has is: 12
• The sum of 820996653609's digits is 63
• More coming soon!