820676105781823421

Names of 820676105781823421

• Cardinal: 820676105781823421 can be written as Eight hundred twenty quadrillion, six hundred seventy-six trillion, one hundred five billion, seven hundred eighty-one million, eight hundred twenty-three thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 8.20676105781823421 × 10¹⁷

Factors of 820676105781823421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 824

Divisors of 820676105781823421

• Number of divisors d(n): 128
• Complete list of divisors:
  1 13 17 37 169 221 481 629 757 1369 2197 2873 6253 8177 9841 12869 17797 23273 28009 37349 50653 81289 106301 127933 167297 231361 302549 364117 476153 573049 658489 861101 1036333 1381913 1663129 2174861 3007693 3933137 4733521 6189989 7449637 8560357 9741833 11194313 13472329 17617661 21202813 28273193 38344321 51130781 61535773 80469857 96845281 111284641 126643829 145526069 175140277 229029593 275636569 360447821 433798093 498476173 651853457 784504081 1046108141 1258988653 1646369777 1891838897 2276823601 2977384709 3583275397 4685821673 5639375209 6480190249 7374567581 8474094941 10198553053 13336569377 16050529441 21402807101 29026650997 38706001217 46582580161 60915681749 73311877717 84242473237 95869378553 110163234233 132581189689 173375401901 208656882733 272859000497 377346462961 493453066949 593869589317 791903862737 953054410321 1246301921189 1432122045029 1723555465957 2253880224713 2712539475529 3547167006461 4905504018493 6414889870337 7720304661121 10095783018389 16201924975457 21973174804729 29300442921269 35263013181877 46113171083993 63771552240409 83393568314381 100363960594573 131245179239057 285651272461477 373543971680393 599471224091909 1084116388086953 1304731487729449 1706187330107741 3713466541999201 4856071631845109 22180435291400633 48275065045989613 63128931213986417 820676105781823421
• Sum of all divisors σ(n): 968758103723760000
• Sum of proper divisors (its aliquot sum) s(n): 148081997941936579
• 820676105781823421 is a deficient number, because the sum of its proper divisors (148081997941936579) is less than itself. Its deficiency is 672594107839886842

Bases of 820676105781823421

• Binary: 101101100011101000001001000111110000110001101100011110111101₂
• Hexadecimal: 0xB63A091F0C6C7BD
• Base-36: 68GPEE9LD8ZH

Squares and roots of 820676105781823421

• 820676105781823421 squared (820676105781823421²) is 673509270601218625499358271624143241
• 820676105781823421 cubed (820676105781823421³) is 552732965404964431844926498912860016211791199872647461
• The square root of 820676105781823421 is 905911753.8600674437
• The cube root of 820676105781823421 is 936247.3389457047

Scales and comparisons

• 820,676,105,781,823,421 seconds is equal to 26,094,961,645 years, 51 weeks, 4 days, 11 hours, 23 minutes, 41 seconds.
• To count from 1 to 820,676,105,781,823,421 would take you about seventy-eight billion, two hundred eighty-four million, eight hundred eighty-four thousand, nine hundred thirty-seven 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 820676105781823421 cubic inches would be around 78020.6 feet tall.

Recreational maths with 820676105781823421

• 820676105781823421 backwards is 124328187501676028
• The number of decimal digits it has is: 18
• The sum of 820676105781823421's digits is 71
• More coming soon!