813821909824

Names of 813821909824

• Cardinal: 813821909824 can be written as Eight hundred thirteen billion, eight hundred twenty-one million, nine hundred nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 8.13821909824 × 10¹¹

Factors of 813821909824

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3988

Divisors of 813821909824

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 7 8 11 14 16 19 22 28 32 37 38 44 56 61 64 74 76 77 88 112 122 133 148 152 154 176 209 224 244 259 266 296 304 308 352 407 418 427 448 488 518 532 592 608 616 671 703 704 814 836 854 976 1036 1064 1159 1184 1216 1232 1342 1406 1463 1628 1672 1708 1952 2072 2128 2257 2318 2368 2464 2684 2812 2849 2926 3256 3344 3416 3851 3904 4144 4256 4514 4636 4697 4921 4928 5368 5624 5698 5852 6512 6688 6832 7702 7733 8113 8288 8512 9028 9272 9394 9842 10736 11248 11396 11704 12749 13024 13376 13664 15404 15466 15799 16226 16576 18056 18544 18788 19684 21472 22496 22792 23408 24827 25498 26048 26957 27328 30808 30932 31598 32452 36112 37088 37576 39368 42361 42883 42944 44992 45584 46816 49654 50996 53914 54131 61616 61864 63196 64904 72224 73169 74176 75152 78736 84722 85766 89243 91168 93632 99308 101992 107828 108262 123232 123728 126392 129808 142487 144448 146338 150304 157472 169444 171532 173789 178486 182336 198616 203984 215656 216524 234911 246464 247456 252784 259616 284974 292676 296527 300181 300608 314944 338888 343064 347578 356972 397232 407968 431312 433048 469822 471713 494912 505568 512183 519232 569948 585352 593054 600362 677776 686128 695156 713944 794464 804859 815936 862624 866096 939644 943426 997409 1011136 1024366 1139896 1170704 1186108 1200724 1355552 1372256 1390312 1427888 1567357 1588928 1609718 1644377 1725248 1732192 1879288 1886852 1994818 2048732 2279792 2341408 2372216 2401448 2584021 2707253 2711104 2744512 2780624 2855776 3134714 3219436 3288754 3301991 3464384 3758576 3773704 3989636 4097464 4463309 4559584 4682816 4744432 4802896 5168042 5414506 5561248 5634013 5711552 6269428 6438872 6577508 6603982 7517152 7547408 7979272 8194928 8691707 8926618 9119168 9488864 9605792 10336084 10829012 10971499 11122496 11268026 12538856 12877744 13155016 13207964 15034304 15094816 15958544 16389856 17383414 17853236 18088147 18950771 18977728 19211584 20672168 21658024 21942998 22536052 25077712 25755488 26310032 26415928 29779783 30189632 31243163 31917088 32779712 34766828 35706472 36176294 37901542 41344336 43316048 43885996 45072104 49096399 50155424 51510976 52620064 52831856 59559566 60841949 62486326 63834176 69533656 71412944 72352588 75803084 82688672 86632096 87771992 90144208 95608777 98192798 100310848 105240128 105663712 119119132 121683898 124972652 139067312 142825888 144705176 151606168 165142433 165377344 173264192 175543984 180288416 191217554 196385596 208458481 211327424 238238264 243367796 249945304 278134624 285651776 289410352 303212336 330284866 343674793 351087968 360576832 382435108 392771192 416916962 476476528 486735592 499890608 556269248 578820704 606424672 660569732 669261439 687349586 702175936 764870216 785542384 833833924 952953056 973471184 999781216 1155997031 1157641408 1212849344 1321139464 1338522878 1374699172 1529740432 1571084768 1667667848 1816566763 1905906112 1946942368 1999562432 2311994062 2642278928 2677045756 2749398344 3059480864 3142169536 3335335696 3633133526 3893884736 4623988124 5284557856 5354091512 5498796688 6118961728 6670671392 7266267052 9247976248 10569115712 10708183024 10997593376 12715967341 13341342784 14532534104 18495952496 21416366048 21995186752 25431934682 29065068208 36991904992 42832732096 50863869364 58130136416 73983809984 101727738728 116260272832 203455477456 406910954912 813821909824
• Sum of all divisors σ(n): 2212924078080
• Sum of proper divisors (its aliquot sum) s(n): 1399102168256
• 813821909824 is an abundant number, because the sum of its proper divisors (1399102168256) is greater than itself. Its abundance is 585280258432

Bases of 813821909824

• Binary: 1011110101111011100100001101101101000000₂
• Hexadecimal: 0xBD7B90DB40
• Base-36: ADV4JWHS

Squares and roots of 813821909824

• 813821909824 squared (813821909824²) is 662306100909582787710976
• 813821909824 cubed (813821909824³) is 538999215930323527837984445647028224
• The square root of 813821909824 is 902120.7844983953
• The cube root of 813821909824 is 9336.3357071633

Scales and comparisons

• 813,821,909,824 seconds is equal to 25,877 years, 1 week, 1 hour, 37 minutes, 4 seconds.
• To count from 1 to 813,821,909,824 would take you about fifty-one thousand, seven hundred fifty-four 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 813821909824 cubic inches would be around 778 feet tall.

Recreational maths with 813821909824

• 813821909824 backwards is 428909128318
• The number of decimal digits it has is: 12
• The sum of 813821909824's digits is 55
• More coming soon!