820034978407491

Names of 820034978407491

• Cardinal: 820034978407491 can be written as Eight hundred twenty trillion, thirty-four billion, nine hundred seventy-eight million, four hundred seven thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 8.20034978407491 × 10¹⁴

Factors of 820034978407491

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 21145

Divisors of 820034978407491

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 11 21 33 77 191 231 317 573 951 1337 2101 2219 3407 3487 4011 6303 6657 10221 10461 14707 17209 23849 24409 37477 44121 51627 60547 71547 73227 112431 120463 181641 189299 262339 361389 423829 567897 650737 666017 787017 1080019 1271487 1325093 1952211 1998051 3240057 3286919 3975279 4555159 4662119 5455253 7158107 7560133 9860757 11880209 13665477 13986357 16365759 21474321 22680399 23008433 35640627 36156109 38186771 50106749 58631063 60007783 69025299 83161463 108468327 114560313 150320247 175893189 180023349 206283629 249484389 253092763 410417441 420054481 618850887 644941693 759278289 1041953323 1231252323 1260163443 1443985403 1934825079 2269119919 3125859969 4331956209 4514591851 6807359757 7293673261 11198533033 11461486553 13543775553 15883839433 18586046971 21881019783 33595599099 34384459659 47651518299 55758140913 78389731231 80230405871 123183863363 130102328797 204446516681 235169193693 240691217613 369551590089 390306986391 613339550043 862287043541 1431125616767 2586861130623 3549934971461 4293376850301 10649804914383 24849544800227 39049284686071 74548634400681 117147854058213 273344992802497 820034978407491
• Sum of all divisors σ(n): 1375118198046720
• Sum of proper divisors (its aliquot sum) s(n): 555083219639229
• 820034978407491 is a deficient number, because the sum of its proper divisors (555083219639229) is less than itself. Its deficiency is 264951758768262

Bases of 820034978407491

• Binary: 10111010011101000101000101100101110110010001000011₂
• Hexadecimal: 0x2E9D145976443
• Base-36: 82OEV9GUO3

Squares and roots of 820034978407491

• 820034978407491 squared (820034978407491²) is 672457365811774230606444915081
• 820034978407491 cubed (820034978407491³) is 551438561453416557788328675600710548109271771
• The square root of 820034978407491 is 28636252.8695269591
• The cube root of 820034978407491 is 93600.3470842489

Scales and comparisons

• 820,034,978,407,491 seconds is equal to 26,074,575 years, 40 weeks, 3 days, 10 hours, 4 minutes, 51 seconds.
• To count from 1 to 820,034,978,407,491 would take you about sixty-five million, one hundred eighty-six thousand, four hundred thirty-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 820034978407491 cubic inches would be around 7800 feet tall.

Recreational maths with 820034978407491

• 820034978407491 backwards is 194704879430028
• The number of decimal digits it has is: 15
• The sum of 820034978407491's digits is 66
• More coming soon!