813679845664

Names of 813679845664

• Cardinal: 813679845664 can be written as Eight hundred thirteen billion, six hundred seventy-nine million, eight hundred forty-five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 8.13679845664 × 10¹¹

Factors of 813679845664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 289

Divisors of 813679845664

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 89 98 112 178 191 196 224 343 356 382 392 623 686 712 764 784 1246 1337 1372 1424 1528 1568 2401 2492 2674 2744 2848 3056 4361 4802 4984 5348 5488 6112 7921 8722 9359 9604 9968 10696 10976 15842 16807 16999 17444 18718 19208 19936 21392 30527 31684 33614 33998 34888 37436 38416 42784 55447 61054 63368 65513 67228 67996 69776 74872 76832 110894 118993 122108 126736 131026 134456 135992 139552 149744 213689 221788 237986 244216 253472 262052 268912 271984 299488 388129 427378 443576 458591 475972 488432 524104 537824 543968 776258 832951 854756 887152 917182 951944 976864 1048208 1495823 1512911 1552516 1665902 1709512 1774304 1834364 1903888 2096416 2716903 2991646 3025822 3105032 3210137 3331804 3419024 3668728 3807776 5433806 5830657 5983292 6051644 6210064 6420274 6663608 6838048 7337456 10590377 10867612 11661314 11966584 12103288 12420128 12840548 13327216 14674912 19018321 21180754 21735224 23322628 23933168 24206576 25681096 26654432 38036642 40814599 42361508 43470448 46645256 47866336 48413152 51362192 74132639 76073284 81629198 84723016 86940896 93290512 102724384 133128247 148265278 152146568 163258396 169446032 186581024 266256494 285702193 296530556 304293136 326516792 338892064 518928473 532512988 571404386 593061112 608586272 653033584 1037856946 1065025976 1142808772 1186122224 1306067168 2075713892 2130051952 2285617544 2372244448 3632499311 4151427784 4260103904 4571235088 7264998622 8302855568 9142470176 14529997244 16605711136 25427495177 29059994488 50854990354 58119988976 101709980708 116239977952 203419961416 406839922832 813679845664
• Sum of all divisors σ(n): 1900035906048
• Sum of proper divisors (its aliquot sum) s(n): 1086356060384
• 813679845664 is an abundant number, because the sum of its proper divisors (1086356060384) is greater than itself. Its abundance is 272676214720

Bases of 813679845664

• Binary: 1011110101110011000110010010000100100000₂
• Hexadecimal: 0xBD73192120
• Base-36: ADSRYZ34

Squares and roots of 813679845664

• 813679845664 squared (813679845664²) is 662074891239790859600896
• 813679845664 cubed (813679845664³) is 538716995322002612255694949916114944
• The square root of 813679845664 is 902042.0420712107
• The cube root of 813679845664 is 9335.7924122651

Scales and comparisons

• 813,679,845,664 seconds is equal to 25,872 years, 26 weeks, 19 hours, 21 minutes, 4 seconds.
• To count from 1 to 813,679,845,664 would take you about fifty-one thousand, seven hundred forty-five 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 813679845664 cubic inches would be around 778 feet tall.

Recreational maths with 813679845664

• 813679845664 backwards is 466548976318
• The number of decimal digits it has is: 12
• The sum of 813679845664's digits is 67
• More coming soon!