820122496557

Names of 820122496557

• Cardinal: 820122496557 can be written as Eight hundred twenty billion, one hundred twenty-two million, four hundred ninety-six thousand, five hundred fifty-seven.

Scientific notation

• Scientific notation: 8.20122496557 × 10¹¹

Factors of 820122496557

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5091

Divisors of 820122496557

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 13 21 39 43 53 91 129 159 273 281 301 371 559 689 843 903 1113 1677 1967 2067 2279 3653 3913 4691 4823 5901 6837 10959 11739 12083 14073 14469 14893 15953 25571 29627 32837 36249 44679 47859 60983 76713 84581 88881 98511 104251 157079 182949 193609 201713 207389 248623 253743 312753 426881 471237 580827 605139 622167 640399 745869 1099553 1280643 1318171 1355263 1411991 1740361 1921197 2622269 3232099 3298659 3954513 4065789 4235973 4482793 5221083 7866807 8325187 9227197 9696297 10690789 13448379 17136223 18355883 22624693 24975561 27681591 32072367 51408669 55067649 56681353 58276309 67874079 69863063 74835523 119953561 138980257 170044059 174828927 209589189 224506569 359860683 396769471 416940771 489041441 736857589 908219819 972861799 1190308413 1467124323 2210572767 2724659457 2918585397 3004111709 5158003123 6357538733 9012335127 15474009369 19072616199 21028781963 39053452217 63086345889 117160356651 273374165519 820122496557
• Sum of all divisors σ(n): 1408417984512
• Sum of proper divisors (its aliquot sum) s(n): 588295487955
• 820122496557 is a deficient number, because the sum of its proper divisors (588295487955) is less than itself. Its deficiency is 231827008602

Bases of 820122496557

• Binary: 1011111011110011000111000010111000101101₂
• Hexadecimal: 0xBEF31C2E2D
• Base-36: AGRBRCBX

Squares and roots of 820122496557

• 820122496557 squared (820122496557²) is 672600909358886476854249
• 820122496557 cubed (820122496557³) is 551615136969918443691252685693320693
• The square root of 820122496557 is 905606.1486965511
• The cube root of 820122496557 is 9360.3676794965

Scales and comparisons

• 820,122,496,557 seconds is equal to 26,077 years, 18 weeks, 4 days, 12 hours, 35 minutes, 57 seconds.
• To count from 1 to 820,122,496,557 would take you about fifty-two thousand, one hundred fifty-four 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 820122496557 cubic inches would be around 780 feet tall.

Recreational maths with 820122496557

• 820122496557 backwards is 755694221028
• The number of decimal digits it has is: 12
• The sum of 820122496557's digits is 51
• More coming soon!