812549867220

Names of 812549867220

• Cardinal: 812549867220 can be written as Eight hundred twelve billion, five hundred forty-nine million, eight hundred sixty-seven thousand, two hundred twenty.

Scientific notation

• Scientific notation: 8.1254986722 × 10¹¹

Factors of 812549867220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 88814

Divisors of 812549867220

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 43 45 52 60 63 65 70 78 84 86 90 91 105 117 126 129 130 140 156 169 172 180 182 195 210 215 234 252 258 260 273 301 315 338 364 387 390 420 430 455 468 507 516 546 559 585 602 630 645 676 774 780 819 845 860 903 910 1014 1092 1118 1170 1183 1204 1260 1290 1365 1505 1521 1548 1638 1677 1690 1806 1820 1935 2028 2236 2340 2366 2535 2580 2709 2730 2795 3010 3042 3276 3354 3380 3549 3612 3870 3913 4095 4515 4732 5031 5070 5418 5460 5590 5915 6020 6084 6708 7098 7267 7605 7740 7826 8190 8385 9030 10062 10140 10647 10836 11180 11739 11830 13545 14196 14534 15210 15652 16380 16770 17745 18060 19565 20124 21294 21801 23478 23660 25155 27090 29068 30420 33540 35217 35490 36335 39130 42588 43602 46956 50310 50869 53235 54180 58695 65403 70434 70980 72670 78260 87204 88741 100620 101738 106470 109005 117390 130806 140868 145340 152607 176085 177482 203476 212940 218010 234780 254345 261612 266223 305214 327015 352170 354964 436020 443705 457821 508690 532446 610428 621187 654030 704340 763035 798669 887410 915642 1017380 1064892 1153633 1242374 1308060 1331115 1526070 1597338 1774820 1831284 1863561 2289105 2307266 2484748 2662230 3052140 3105935 3194676 3460899 3727122 3815863 3993345 4578210 4614532 5324460 5590683 5768165 6211870 6921798 7454244 7631726 7986690 8075431 9156420 9317805 10382697 11181366 11447589 11536330 12423740 13843596 14997229 15263452 15973380 16150862 17304495 18635610 19079315 20765394 22362732 22895178 23072660 24226293 26711041 27953415 29994458 32301724 34342767 34608990 37271220 38158630 40377155 41530788 44991687 45790356 48452586 49606219 51913485 53422082 55906830 57237945 59988916 68685534 69217980 72678879 74986145 76317260 80133123 80754310 89983374 96905172 99212438 103826970 104980603 106844164 111813660 114475890 121131465 133555205 134975061 137371068 145357758 148818657 149972290 160266246 161508620 171713835 179966748 198424876 207653940 209961206 224958435 228951780 240399369 242262930 248031095 267110410 269950122 290715516 297637314 299944580 314941809 320532492 343427670 347243533 363394395 400665615 419922412 446455971 449916870 480798738 484525860 496062190 524903015 534220820 539900244 595274628 629883618 644880847 674875305 686855340 694487066 726788790 744093285 801331230 892911942 899833740 944825427 961597476 992124380 1041730599 1049806030 1201996845 1259767236 1289761694 1349750610 1388974132 1453577580 1488186570 1574709045 1602662460 1736217665 1785823884 1889650854 1934642541 2083461198 2099612060 2232279855 2403993690 2579523388 2699501220 2976373140 3125191797 3149418090 3224404235 3472435330 3779301708 3869285082 4166922396 4464559710 4514165929 4724127135 4807987380 5208652995 5803927623 6250383594 6298836180 6448808470 6944870660 7738570164 8929119420 9028331858 9448254270 9673212705 10417305990 11607855246 12500767188 12897616940 13542497787 15625958985 18056663716 18896508540 19346425410 20834611980 22570829645 23215710492 27084995574 29019638115 31251917970 38692850820 40627493361 45141659290 54169991148 58039276230 62503835940 67712488935 81254986722 90283318580 116078552460 135424977870 162509973444 203137466805 270849955740 406274933610 812549867220
• Sum of all divisors σ(n): 3121156950912
• Sum of proper divisors (its aliquot sum) s(n): 2308607083692
• 812549867220 is an abundant number, because the sum of its proper divisors (2308607083692) is greater than itself. Its abundance is 1496057216472

Bases of 812549867220

• Binary: 1011110100101111101111110000011011010100₂
• Hexadecimal: 0xBD2FBF06D4
• Base-36: ADA37M50

Squares and roots of 812549867220

• 812549867220 squared (812549867220²) is 660237286719239630528400
• 812549867220 cubed (812549867220³) is 536475719657411231205213278439048000
• The square root of 812549867220 is 901415.4797983003
• The cube root of 812549867220 is 9331.4687906557

Scales and comparisons

• 812,549,867,220 seconds is equal to 25,836 years, 29 weeks, 5 days, 8 hours, 27 minutes.
• To count from 1 to 812,549,867,220 would take you about fifty-one thousand, six hundred seventy-three 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 812549867220 cubic inches would be around 777.6 feet tall.

Recreational maths with 812549867220

• 812549867220 backwards is 022768945218
• The number of decimal digits it has is: 12
• The sum of 812549867220's digits is 54
• More coming soon!