820972775168

Names of 820972775168

• Cardinal: 820972775168 can be written as Eight hundred twenty billion, nine hundred seventy-two million, seven hundred seventy-five thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 8.20972775168 × 10¹¹

Factors of 820972775168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 387285

Divisors of 820972775168

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 128 169 182 196 208 224 256 338 364 392 416 448 637 676 728 784 832 896 1183 1274 1352 1456 1568 1664 1792 2366 2548 2704 2912 3136 3328 4732 5096 5408 5824 6272 8281 9464 10192 10816 11648 12544 16562 18928 20384 21632 23296 33124 37856 40768 43264 66248 75712 81536 132496 151424 163072 264992 302848 387263 529984 774526 1059968 1549052 2119936 2710841 3098104 5034419 5421682 6196208 10068838 10843364 12392416 18975887 20137676 21686728 24784832 35240933 37951774 40275352 43373456 49569664 65447447 70481866 75903548 80550704 86746912 99139328 130894894 140963732 151807096 161101408 173493824 246686531 261789788 281927464 303614192 322202816 346987648 458132129 493373062 523579576 563854928 607228384 644405632 693975296 916264258 986746124 1047159152 1127709856 1214456768 1288811264 1832528516 1973492248 2094318304 2255419712 2428913536 3206924903 3665057032 3946984496 4188636608 4510839424 4857827072 6413849806 7330114064 7893968992 8377273216 9021678848 12827699612 14660228128 15787937984 16754546432 25655399224 29320456256 31575875968 51310798448 58640912512 63151751936 102621596896 117281825024 205243193792 410486387584 820972775168
• Sum of all divisors σ(n): 2064210450624
• Sum of proper divisors (its aliquot sum) s(n): 1243237675456
• 820972775168 is an abundant number, because the sum of its proper divisors (1243237675456) is greater than itself. Its abundance is 422264900288

Bases of 820972775168

• Binary: 1011111100100101110010100110011100000000₂
• Hexadecimal: 0xBF25CA6700
• Base-36: AH5DZRI8

Squares and roots of 820972775168

• 820972775168 squared (820972775168²) is 673996297567047477428224
• 820972775168 cubed (820972775168³) is 553332610866576094092262896809541632
• The square root of 820972775168 is 906075.4798403937
• The cube root of 820972775168 is 9363.6014124741

Scales and comparisons

• 820,972,775,168 seconds is equal to 26,104 years, 20 weeks, 3 days, 17 hours, 6 minutes, 8 seconds.
• To count from 1 to 820,972,775,168 would take you about fifty-two thousand, two hundred eight 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 820972775168 cubic inches would be around 780.3 feet tall.

Recreational maths with 820972775168

• 820972775168 backwards is 861577279028
• The number of decimal digits it has is: 12
• The sum of 820972775168's digits is 62
• More coming soon!