820893813432

Names of 820893813432

• Cardinal: 820893813432 can be written as Eight hundred twenty billion, eight hundred ninety-three million, eight hundred thirteen thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 8.20893813432 × 10¹¹

Factors of 820893813432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 162

Divisors of 820893813432

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 49 56 66 77 84 88 98 121 132 139 147 154 168 196 231 242 264 278 294 308 343 363 392 417 462 484 539 556 588 616 686 726 834 847 924 968 973 1029 1078 1112 1176 1331 1372 1452 1529 1617 1668 1694 1848 1946 2058 2156 2401 2541 2662 2744 2904 2919 3058 3234 3336 3388 3773 3892 3993 4116 4312 4587 4802 5082 5324 5838 5929 6116 6468 6776 6811 7203 7546 7784 7986 8232 9174 9317 9604 10164 10648 10703 11319 11676 11858 12232 12936 13622 14406 14641 15092 15972 16807 16819 17787 18348 18634 19208 20328 20433 21406 22638 23352 23716 26411 27244 27951 28812 29282 30184 31944 32109 33614 33638 35574 36696 37268 40866 41503 42812 43923 45276 47432 47677 50421 50457 52822 54488 55902 57624 58564 64218 65219 67228 67276 71148 74536 74921 79233 81732 83006 85624 87846 90552 95354 100842 100914 102487 105644 111804 117128 117733 124509 128436 130438 134456 134552 142296 143031 149842 158466 163464 166012 175692 184877 185009 190708 195657 201684 201828 204974 211288 223608 224763 235466 249018 256872 260876 286062 290521 299684 307461 316932 332024 333739 351384 353199 369754 370018 381416 391314 403368 403656 409948 449526 456533 470932 498036 521752 524447 554631 555027 572124 581042 599368 614922 633864 667478 706398 717409 739508 740036 782628 819896 824131 871563 899052 913066 941864 996072 1001217 1048894 1109262 1110054 1144248 1162084 1229844 1295063 1334956 1369599 1412796 1434818 1479016 1480072 1565256 1573341 1648262 1743126 1798104 1826132 2002434 2033647 2035099 2097788 2152227 2218524 2220108 2324168 2336173 2459688 2472393 2590126 2669912 2739198 2825592 2869636 3146682 3195731 3296524 3486252 3652264 3671129 3885189 4004868 4067294 4070198 4195576 4304454 4437048 4440216 4672346 4944786 5021863 5180252 5478396 5739272 5768917 6100941 6105297 6293364 6391462 6593048 6972504 7008519 7342258 7770378 8009736 8134588 8140396 8608908 9065441 9344692 9587193 9889572 10043726 10360504 10956792 11013387 11537834 12201882 12210594 12586728 12782924 14017038 14245693 14684516 15065589 15540756 16269176 16280792 17217816 17306751 18130882 18689384 19174386 19779144 20087452 22026774 22370117 23075668 24403764 24421188 25565848 25697903 27196323 28034076 28491386 29369032 30131178 31081512 34613502 35153041 36261764 38348772 40174904 40382419 42737079 44053548 44740234 46151336 48807528 48842376 51395806 54392646 56068152 56982772 60262356 63458087 67110351 69227004 70306082 72523528 76697544 77093709 80764838 85474158 88107096 89480468 99719851 102791612 105459123 108785292 113965544 120524712 121147257 126916174 134220702 138454008 140612164 154187418 161529676 170948316 178960936 190374261 199439702 205583224 210918246 217570584 242294514 246071287 253832348 268441404 281224328 282676933 299159553 308374836 323059352 341896632 380748522 398879404 421836492 444206609 484589028 492142574 507664696 536882808 565353866 598319106 616749672 698038957 738213861 761497044 797758808 843672984 848030799 888413218 969178056 984285148 1130707732 1196638212 1332619827 1396077914 1476427722 1522994088 1696061598 1776826436 1968570296 2094116871 2261415464 2393276424 2665239654 2792155828 2952855444 3109446263 3392123196 3553652872 4188233742 4886272699 5330479308 5584311656 5905710888 6218892526 6784246392 8376467484 9328338789 9772545398 10660958616 12437785052 14658818097 16752934968 18656677578 19545090796 24875570104 29317636194 34203908893 37313355156 39090181592 58635272388 68407817786 74626710312 102611726679 117270544776 136815635572 205223453358 273631271144 410446906716 820893813432
• Sum of all divisors σ(n): 2652609456000
• Sum of proper divisors (its aliquot sum) s(n): 1831715642568
• 820893813432 is an abundant number, because the sum of its proper divisors (1831715642568) is greater than itself. Its abundance is 1010821829136

Bases of 820893813432

• Binary: 1011111100100001000101011000101010111000₂
• Hexadecimal: 0xBF21158AB8
• Base-36: AH42ZC8O

Squares and roots of 820893813432

• 820893813432 squared (820893813432²) is 673866652930931223618624
• 820893813432 cubed (820893813432³) is 553172966469130151863210201776557568
• The square root of 820893813432 is 906031.9053057679
• The cube root of 820893813432 is 9363.3012036037

Scales and comparisons

• 820,893,813,432 seconds is equal to 26,101 years, 45 weeks, 6 days, 19 hours, 17 minutes, 12 seconds.
• To count from 1 to 820,893,813,432 would take you about fifty-two thousand, two hundred 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 820893813432 cubic inches would be around 780.3 feet tall.

Recreational maths with 820893813432

• 820893813432 backwards is 234318398028
• The number of decimal digits it has is: 12
• The sum of 820893813432's digits is 51
• More coming soon!