18220927998

Names of 18220927998

• Cardinal: 18220927998 can be written as Eighteen billion, two hundred twenty million, nine hundred twenty-seven thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 1.8220927998 × 10¹⁰

Factors of 18220927998

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 239

Divisors of 18220927998

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 13 14 17 21 26 29 34 39 41 42 51 58 78 82 87 91 102 119 123 127 169 174 182 203 221 238 246 254 273 287 338 357 377 381 406 442 493 507 533 546 574 609 663 697 714 754 762 861 889 986 1014 1066 1131 1183 1189 1218 1326 1394 1479 1547 1599 1651 1722 1778 2091 2159 2262 2366 2378 2639 2667 2873 2958 3094 3198 3302 3451 3549 3567 3683 3731 4182 4318 4641 4879 4901 4953 5207 5278 5334 5746 6409 6477 6902 6929 7098 7134 7366 7462 7917 8323 8619 9061 9282 9758 9802 9906 10353 10414 11049 11193 11557 12818 12954 13858 14637 14703 15113 15457 15621 15834 16646 17238 18122 19227 20111 20213 20706 20787 21463 22098 22386 23114 24969 25781 27183 28067 29274 29406 30226 30914 31242 34307 34671 36449 38454 40222 40426 41574 42926 44863 45339 46371 47879 48503 49938 51562 54366 56134 60333 60639 62611 63427 64389 67691 68614 69342 72898 77343 83317 84201 88519 89726 90678 92742 95758 97006 102921 108199 109347 117793 120666 121278 125222 126854 128778 134589 135382 141491 143637 145509 150241 151003 154686 166634 168402 177038 187833 190281 196469 200941 203073 205842 216398 218694 235586 249951 262769 265557 269178 282982 287274 291018 300482 302006 324597 335153 353379 364871 375666 380562 392938 401882 406146 424473 438277 450723 453009 473837 499902 525538 531114 583219 589407 602823 619633 622427 649194 670306 706758 729742 788307 813943 824551 848946 876554 879983 901446 906018 947674 1005459 1057021 1094613 1150747 1166438 1178814 1205646 1239266 1244854 1314831 1406587 1421511 1576614 1627886 1649102 1749657 1759966 1839383 1858899 1867281 1963039 2010918 2114042 2189226 2301494 2441829 2473653 2554097 2567051 2629662 2639949 2813174 2843022 3171063 3415997 3452241 3499314 3678766 3717798 3734562 3926078 4219761 4356989 4883658 4947306 5108194 5134102 5279898 5518149 5697601 5889117 6159881 6342126 6831994 6904482 7662291 7701153 8055229 8439522 8713978 10247991 10581259 11036298 11395202 11778234 12319762 13070967 13741273 14959711 15324582 15402306 16110458 17092803 17969357 18479643 20495982 21162518 23911979 24165687 25519507 26141934 27482546 29919422 31743777 33371663 34185606 35938714 36959286 41223819 44879133 47823958 48331374 51039014 53908071 63487554 66743326 71735937 74068813 76558521 82447638 89758266 100114989 104717977 107816142 143471874 148137626 153117042 178636549 200229978 209435954 222206439 233601641 314153931 357273098 433831619 444412878 467203282 535909647 628307862 700804923 867663238 1071819294 1301494857 1401609846 2602989714 3036821333 6073642666 9110463999 18220927998
• Sum of all divisors σ(n): 51000606720
• Sum of proper divisors (its aliquot sum) s(n): 32779678722
• 18220927998 is an abundant number, because the sum of its proper divisors (32779678722) is greater than itself. Its abundance is 14558750724

Bases of 18220927998

• Binary: 10000111110000011010100101111111110₂
• Hexadecimal: 0x43E0D4BFE
• Base-36: 8DC9Q0U

Squares and roots of 18220927998

• 18220927998 squared (18220927998²) is 332002217108300288004
• 18220927998 cubed (18220927998³) is 6049388493106703315883547135992
• The square root of 18220927998 is 134984.9176686047
• The cube root of 18220927998 is 2631.4199562771

Scales and comparisons

• 18,220,927,998 seconds is equal to 579 years, 19 weeks, 1 day, 8 hours, 53 minutes, 18 seconds.
• To count from 1 to 18,220,927,998 would take you about one thousand, one 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 18220927998 cubic inches would be around 219.3 feet tall.

Recreational maths with 18220927998

• 18220927998 backwards is 89972902281
• The number of decimal digits it has is: 11
• The sum of 18220927998's digits is 57
• More coming soon!