813893530842

Names of 813893530842

• Cardinal: 813893530842 can be written as Eight hundred thirteen billion, eight hundred ninety-three million, five hundred thirty thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 8.13893530842 × 10¹¹

Factors of 813893530842

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 88

Divisors of 813893530842

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 23 27 42 46 49 53 54 63 69 81 98 106 126 138 147 159 161 162 189 207 243 294 318 322 371 378 414 441 477 483 486 529 567 621 742 882 954 966 1058 1113 1127 1134 1219 1242 1323 1431 1449 1587 1701 1863 2226 2254 2438 2597 2646 2809 2862 2898 3174 3339 3381 3402 3657 3703 3726 3969 4293 4347 4761 5194 5589 5618 6678 6762 7314 7406 7791 7938 8427 8533 8586 8694 9522 10017 10143 10971 11109 11178 11907 12167 12879 13041 14283 15582 16854 17066 19663 20034 20286 21942 22218 23373 23814 24334 25281 25599 25758 25921 26082 28037 28566 30051 30429 32913 33327 36501 39123 39326 42849 46746 50562 51198 51842 56074 58989 59731 60102 60858 64607 65826 66654 70119 73002 75843 76797 77763 78246 84111 85169 85698 90153 91287 98739 99981 109503 117978 119462 128547 129214 137641 140238 151686 153594 155526 168222 170338 176967 179193 180306 182574 193821 196259 197478 199962 210357 219006 227529 230391 233289 252333 255507 257094 273861 275282 296217 299943 328509 353934 358386 387642 392518 412923 420714 452249 455058 460782 466578 504666 511014 530901 537579 547722 581463 588777 592434 596183 599886 631071 644851 657018 682587 691173 699867 756999 766521 825846 899829 904498 985527 1061802 1075158 1162926 1177554 1192366 1238769 1262142 1289702 1356747 1365174 1373813 1382346 1399734 1485961 1513998 1533042 1592703 1612737 1744389 1766331 1788549 1799658 1934553 1971054 2073519 2099601 2270997 2299563 2477538 2713494 2747626 2956581 2971922 3165743 3185406 3225474 3488778 3532662 3577098 3716307 3869106 4070241 4121439 4147038 4199202 4457883 4513957 4541994 4599126 4778109 4838211 5233167 5298993 5365647 5803659 5913162 6298803 6331486 6812991 6898689 7432614 8140482 8242878 8915766 9027914 9497229 9556218 9676422 10401727 10466334 10597986 10731294 11148921 11607318 12210723 12364317 12597606 13373649 13541871 13625982 13797378 14514633 15699501 15896979 16096941 17410977 18994458 20696067 20803454 22297842 24421446 24728634 26747298 27083742 28491687 29029266 31205181 31399002 31597699 31793958 32193882 33446763 34177103 34821954 36632169 37092951 40120947 40625613 41392134 47690937 48290823 52232931 56983374 62410362 63195398 66893526 68354206 72812089 73264338 74185902 80241894 81251226 85475061 93615543 94793097 95381874 96581646 102531309 104465862 109896507 111278853 120362841 121876839 144872469 145624178 156698793 170950122 187231086 189586194 205062618 218436267 219793014 222557706 239239721 240725682 243753678 256425183 280846629 284379291 289744938 307593927 313397586 333836559 361088523 365630517 436872534 478479442 512850366 561693258 568758582 615187854 655308801 667673118 717719163 722177046 731261034 769275549 842539887 853137873 922781781 1096891551 1310617602 1435438326 1538551098 1674678047 1685079774 1706275746 1845563562 1965926403 2153157489 2193783102 2527619661 2559413619 2768345343 3349356094 3931852806 4306314978 5024034141 5055239322 5118827238 5536690686 5897779209 6459472467 7678240857 8305036029 10048068282 11795558418 12918944934 15072102423 15356481714 16610072058 17693337627 19378417401 30144204846 35386675254 38756834802 45216307269 58135252203 90432614538 116270504406 135648921807 271297843614 406946765421 813893530842
• Sum of all divisors σ(n): 2266762155840
• Sum of proper divisors (its aliquot sum) s(n): 1452868624998
• 813893530842 is an abundant number, because the sum of its proper divisors (1452868624998) is greater than itself. Its abundance is 638975094156

Bases of 813893530842

• Binary: 1011110101111111110101011011010011011010₂
• Hexadecimal: 0xBD7FD5B4DA
• Base-36: ADWB6ZMI

Squares and roots of 813893530842

• 813893530842 squared (813893530842²) is 662422679546457605228964
• 813893530842 cubed (813893530842³) is 539141533565885075493265271805707688
• The square root of 813893530842 is 902160.4795389787
• The cube root of 813893530842 is 9336.6095829115

Scales and comparisons

• 813,893,530,842 seconds is equal to 25,879 years, 15 weeks, 3 days, 20 minutes, 42 seconds.
• To count from 1 to 813,893,530,842 would take you about fifty-one thousand, seven hundred fifty-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 813893530842 cubic inches would be around 778.1 feet tall.

Recreational maths with 813893530842

• 813893530842 backwards is 248035398318
• 813893530842 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 813893530842's digits is 54
• More coming soon!