820803779964

Names of 820803779964

• Cardinal: 820803779964 can be written as Eight hundred twenty billion, eight hundred three million, seven hundred seventy-nine thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 8.20803779964 × 10¹¹

Factors of 820803779964

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 520

Divisors of 820803779964

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 17 18 21 23 28 34 36 42 46 47 51 63 68 69 84 92 94 102 119 126 138 141 153 161 188 204 207 238 252 276 282 306 322 329 357 391 414 421 423 476 483 564 612 644 658 714 782 799 828 842 846 966 987 1071 1081 1173 1263 1316 1428 1449 1564 1598 1684 1692 1932 1974 2142 2162 2346 2397 2526 2737 2898 2947 2961 3196 3243 3519 3789 3948 4284 4324 4692 4794 5052 5474 5593 5796 5894 5922 6486 7038 7157 7191 7567 7578 8211 8841 9588 9683 9729 10948 11186 11788 11844 12972 14076 14314 14382 15134 15156 16422 16779 17682 18377 19366 19458 19787 21471 22372 22701 24633 26523 28628 28764 29049 30268 32844 33558 35364 36754 38732 38916 39574 42942 45402 49266 50099 50337 53046 55131 58098 59361 64413 67116 67781 68103 73508 79148 85884 87147 90804 98532 100198 100674 106092 110262 116196 118722 128639 128826 135562 136206 138509 150297 164611 165393 174294 177241 178083 200396 201348 203343 220524 237444 257278 257652 271124 272412 277018 300594 329222 330786 336379 348588 354482 356166 385917 406686 415527 450891 455101 493833 514556 531723 554036 601188 610029 658444 661572 672758 708964 712332 771834 813372 831054 901782 910202 987666 1009137 1063446 1152277 1157751 1220058 1240687 1246581 1345516 1365303 1481499 1543668 1595169 1662108 1803564 1820404 1975332 2018274 2126892 2304554 2315502 2354653 2440116 2481374 2493162 2730606 2962998 3013097 3027411 3185707 3190338 3456831 3722061 4036548 4076543 4095909 4609108 4631004 4709306 4962748 4986324 5461212 5925996 6026194 6054822 6371414 6380676 6913662 7063959 7444122 7736717 8153086 8191818 8330327 9039291 9418612 9557121 10370493 11166183 12052388 12109644 12229629 12742828 13827324 14127918 14888244 15473434 16306172 16383636 16660654 18078582 19114242 20740986 21091679 21191877 22332366 23210151 24459258 24990981 27117873 28255836 28535801 28671363 30946868 33321308 36157164 36688887 38228484 41481972 42183358 42383754 44664732 46420302 48918516 49981962 54157019 54235746 57071602 57342726 58312289 63275037 69301231 69630453 73377774 74972943 84366716 84767508 85607403 92840604 99963924 108314038 108471492 114143204 114685452 116624578 126550074 138602462 139260906 141615559 146755548 149945886 162471057 171214806 174936867 189825111 191597521 207903693 216628076 233249156 253100148 256822209 277204924 278521812 283231118 299891772 324942114 342429612 349873734 379650222 383195042 415807386 424846677 485108617 487413171 513644418 524810601 566462236 574792563 623711079 649884228 699747468 759300444 766390084 831614772 849693354 970217234 974826342 991308913 1027288836 1049621202 1149585126 1247422158 1274540031 1341182647 1455325851 1699386708 1724377689 1940434468 1949652684 1982617826 2099242404 2299170252 2494844316 2549080062 2682365294 2910651702 2973926739 3257157857 3448755378 3965235652 4023547941 4365977553 5098160124 5364730588 5821303404 5947853478 6514315714 6897510756 8047095882 8731955106 8921780217 9771473571 11895706956 12070643823 13028631428 16094191764 17463910212 17843560434 19542947142 22800104999 24141287646 29314420713 35687120868 39085894284 45600209998 48282575292 58628841426 68400314997 91200419996 117257682852 136800629994 205200944991 273601259988 410401889982 820803779964
• Sum of all divisors σ(n): 2681966536704
• Sum of proper divisors (its aliquot sum) s(n): 1861162756740
• 820803779964 is an abundant number, because the sum of its proper divisors (1861162756740) is greater than itself. Its abundance is 1040358976776

Bases of 820803779964

• Binary: 1011111100011011101101111011110101111100₂
• Hexadecimal: 0xBF1BB7BD7C
• Base-36: AH2LDLZ0

Squares and roots of 820803779964

• 820803779964 squared (820803779964²) is 673718845203190527841296
• 820803779964 cubed (820803779964³) is 552990974775759774885016137896593344
• The square root of 820803779964 is 905982.2183486827
• The cube root of 820803779964 is 9362.9588770295

Scales and comparisons

• 820,803,779,964 seconds is equal to 26,099 years, 1 week, 17 hours, 59 minutes, 24 seconds.
• To count from 1 to 820,803,779,964 would take you about fifty-two thousand, one hundred ninety-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 820803779964 cubic inches would be around 780.2 feet tall.

Recreational maths with 820803779964

• 820803779964 backwards is 469977308028
• 820803779964 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 820803779964's digits is 63
• More coming soon!