812909341920

Names of 812909341920

• Cardinal: 812909341920 can be written as Eight hundred twelve billion, nine hundred nine million, three hundred forty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 8.1290934192 × 10¹¹

Factors of 812909341920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 388

Divisors of 812909341920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 41 48 52 60 65 78 80 82 96 104 120 123 127 130 156 160 164 195 197 205 208 240 246 254 260 312 328 381 390 394 410 416 480 492 508 520 533 591 615 624 635 656 762 780 788 820 984 985 1016 1040 1066 1182 1230 1248 1270 1312 1524 1560 1576 1599 1640 1651 1905 1968 1970 2032 2080 2132 2364 2460 2540 2561 2665 2955 3048 3120 3152 3198 3280 3302 3810 3936 3940 4064 4264 4728 4920 4953 5080 5122 5207 5330 5910 6096 6240 6304 6396 6560 6604 7620 7683 7880 7995 8077 8255 8528 9456 9840 9906 10160 10244 10414 10660 11820 12192 12792 12805 13208 15240 15366 15621 15760 15990 16129 16154 16510 17056 18912 19680 19812 20320 20488 20828 21320 23640 24231 24765 25019 25584 25610 26035 26416 30480 30732 31242 31520 31980 32258 32308 33020 38415 39624 40385 40976 41656 42640 47280 48387 48462 49530 50038 51168 51220 52070 52832 60960 61464 62484 63960 64516 64616 66040 67691 75057 76830 78105 79248 80645 80770 81952 83312 85280 94560 96774 96924 99060 100076 102440 104140 105001 121155 122928 124968 125095 127920 129032 129232 132080 135382 150114 153660 156210 158496 161290 161540 166624 193548 193848 198120 200152 203073 204880 208280 209677 210002 241935 242310 245856 249936 250190 255840 258064 258464 264160 270764 300228 307320 312420 315003 322580 323080 325247 338455 375285 387096 387696 396240 400304 406146 409760 416560 419354 420004 483870 484620 499872 500380 516128 525005 541528 600456 614640 624840 629031 630006 645160 646160 650494 661289 676910 750570 774192 775392 792480 800608 812292 833120 838708 840008 967740 969240 975741 1000760 1015365 1025779 1048385 1050010 1083056 1200912 1229280 1249680 1258062 1260012 1290320 1292320 1300988 1322578 1353820 1501140 1548384 1575015 1624584 1626235 1677416 1680016 1935480 1938480 1951482 1983867 2001520 2030730 2051558 2096770 2100020 2166112 2401824 2499360 2516124 2520024 2580640 2601976 2645156 2707640 3002280 3077337 3145155 3150030 3177413 3249168 3252470 3306445 3354832 3360032 3870960 3876960 3902964 3967734 4003040 4061460 4103116 4193540 4200040 4878705 5032248 5040048 5128895 5203952 5290312 5415280 6004560 6154674 6290310 6300060 6354826 6498336 6504940 6612890 6709664 7741920 7805928 7935468 8122920 8206232 8387080 8400080 8596757 9532239 9757410 9919335 10064496 10080096 10257790 10407904 10580624 10830560 12009120 12309348 12580620 12600120 12709652 13009880 13225780 13335127 15386685 15611856 15870936 15887065 16245840 16412464 16774160 16800160 17193514 19064478 19514820 19838670 20128992 20515580 21161248 24618696 25161240 25200240 25419304 25790271 26019760 26451560 26670254 30773370 31223712 31741872 31774130 32491680 32824928 33548320 34387028 38128956 39029640 39677340 40005381 41031160 41306369 42983785 47661195 49237392 50322480 50400480 50838608 51580542 52039520 52903120 53340508 61546740 63483744 63548260 66675635 68774056 76257912 78059280 79354680 80010762 82062320 82612738 85967570 95322390 98474784 100644960 101677216 103161084 105806240 106681016 123093480 123919107 127096520 128951355 130273933 133351270 137548112 152515824 156118560 158709360 160021524 164124640 165225476 171935140 190644780 200026905 206322168 206531845 213362032 246186960 247838214 254193040 257902710 260547866 266702540 275096224 305031648 317418720 320043048 330450952 343870280 381289560 390821799 400053810 412644336 413063690 426724064 492373920 495676428 508386080 515805420 521095732 533405080 619595535 640086096 651369665 660901904 687740560 762579120 781643598 800107620 825288672 826127380 991352856 1031610840 1042191464 1066810160 1239191070 1280172192 1302739330 1321803808 1375481120 1525158240 1563287196 1600215240 1652254760 1693561129 1954108995 1982705712 2063221680 2084382928 2133620320 2478382140 2605478660 3126574392 3200430480 3304509520 3387122258 3908217990 3965411424 4126443360 4168765856 4956764280 5080683387 5210957320 6253148784 6400860960 6609019040 6774244516 7816435980 8467805645 9913528560 10161366774 10421914640 12506297568 13548489032 15632871960 16935611290 19827057120 20322733548 20843829280 25403416935 27096978064 31265743920 33871222580 40645467096 50806833870 54193956128 62531487840 67742445160 81290934192 101613667740 135484890320 162581868384 203227335480 270969780640 406454670960 812909341920
• Sum of all divisors σ(n): 2861769911616
• Sum of proper divisors (its aliquot sum) s(n): 2048860569696
• 812909341920 is an abundant number, because the sum of its proper divisors (2048860569696) is greater than itself. Its abundance is 1235951227776

Bases of 812909341920

• Binary: 1011110101000101001011000010110011100000₂
• Hexadecimal: 0xBD452C2CE0
• Base-36: ADG18ELC

Squares and roots of 812909341920

• 812909341920 squared (812909341920²) is 660821598180807469286400
• 812909341920 cubed (812909341920³) is 537188050503682869031828036005888000
• The square root of 812909341920 is 901614.8523177733
• The cube root of 812909341920 is 9332.8446784755

Scales and comparisons

• 812,909,341,920 seconds is equal to 25,848 years, 22 hours, 32 minutes.
• To count from 1 to 812,909,341,920 would take you about fifty-one thousand, six hundred ninety-six 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 812909341920 cubic inches would be around 777.7 feet tall.

Recreational maths with 812909341920

• 812909341920 backwards is 029143909218
• 812909341920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 812909341920's digits is 48
• More coming soon!