820122907956939

Names of 820122907956939

• Cardinal: 820122907956939 can be written as Eight hundred twenty trillion, one hundred twenty-two billion, nine hundred seven million, nine hundred fifty-six thousand, nine hundred thirty-nine.

Scientific notation

• Scientific notation: 8.20122907956939 × 10¹⁴

Factors of 820122907956939

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 44180

Divisors of 820122907956939

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 17 19 51 53 57 153 159 171 323 361 477 901 969 1007 1083 2703 2907 3021 3249 6137 7699 8109 9063 17119 18411 19133 23097 36389 51357 55233 57399 69291 109167 130883 146281 154071 172197 325261 327501 392649 408047 438843 618613 691391 975783 1177947 1224141 1316529 1855839 1928617 2074173 2486777 2779339 2927349 3672423 5567517 5785851 6222519 6936799 7460331 7752893 8338017 11753647 13136429 17357553 20810397 22380993 23258679 25014051 32786489 35260941 36643723 39409287 47248763 62431191 69776037 98359467 105782823 109931169 118227861 131799181 141746289 147304967 223319293 280158911 295078401 329793507 395397543 425238867 441914901 622943291 669957879 696230737 840476733 1186192629 1325744703 1868829873 2009873637 2088692211 2504184439 2521430199 4762701487 5323019309 5606489619 6266076633 7512553317 11835922529 14288104461 14848422283 15969057927 22537659951 35507767587 42864313383 44545266849 47907173781 90491328253 101137366871 106523302761 133635800547 252423178811 271473984759 282120023377 303412100613 757269536433 814421954277 846360070131 910236301839 1719335236807 2271808609299 2539080210393 4796040397409 5158005710421 5360280444163 14388121192227 15474017131263 16080841332489 43164363576681 48242523997467 91124767550771 273374302652313 820122907956939
• Sum of all divisors σ(n): 1348985786148000
• Sum of proper divisors (its aliquot sum) s(n): 528862878191061
• 820122907956939 is a deficient number, because the sum of its proper divisors (528862878191061) is less than itself. Its deficiency is 291260029765878

Bases of 820122907956939

• Binary: 10111010011110010110111110100110011101011011001011₂
• Hexadecimal: 0x2E9E5BE99D6CB
• Base-36: 82PJ9GG98R

Squares and roots of 820122907956939

• 820122907956939 squared (820122907956939²) is 672601584155745838919078249721
• 820122907956939 cubed (820122907956939³) is 551615967094254105507883459271042280156764019
• The square root of 820122907956939 is 28637788.1121594131
• The cube root of 820122907956939 is 93603.6924465057

Scales and comparisons

• 820,122,907,956,939 seconds is equal to 26,077,371 years, 34 weeks, 4 days, 12 hours, 55 minutes, 39 seconds.
• To count from 1 to 820,122,907,956,939 would take you about sixty-five million, one hundred ninety-three thousand, four hundred twenty-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 820122907956939 cubic inches would be around 7800.3 feet tall.

Recreational maths with 820122907956939

• 820122907956939 backwards is 939659709221028
• The number of decimal digits it has is: 15
• The sum of 820122907956939's digits is 72
• More coming soon!