18906139824

Names of 18906139824

• Cardinal: 18906139824 can be written as Eighteen billion, nine hundred six million, one hundred thirty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.8906139824 × 10¹⁰

Factors of 18906139824

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 263

Divisors of 18906139824

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 17 22 24 26 29 33 34 37 39 44 48 51 52 58 66 68 74 78 87 88 102 104 111 116 132 136 143 148 151 156 174 176 187 204 208 221 222 232 264 272 286 296 302 312 319 348 374 377 407 408 429 442 444 453 464 481 493 528 561 572 592 604 624 629 638 663 696 748 754 814 816 858 884 888 906 957 962 986 1073 1122 1131 1144 1208 1221 1258 1276 1326 1392 1443 1479 1496 1508 1628 1661 1716 1768 1776 1812 1887 1914 1924 1963 1972 2146 2244 2262 2288 2416 2431 2442 2516 2552 2567 2652 2886 2958 2992 3016 3219 3256 3322 3432 3536 3624 3774 3828 3848 3926 3944 4147 4292 4379 4488 4524 4862 4884 4983 5032 5104 5134 5291 5304 5423 5587 5772 5889 5916 6032 6409 6438 6512 6644 6864 6919 7248 7293 7548 7656 7696 7701 7852 7888 8177 8294 8584 8758 8976 9048 9724 9768 9966 10064 10268 10582 10608 10846 11174 11544 11778 11803 11832 12441 12818 12876 13137 13288 13838 13949 14586 15096 15312 15402 15704 15873 16269 16354 16588 16761 17168 17516 18096 18241 19227 19448 19536 19932 20536 20757 21164 21593 21692 22348 23088 23556 23606 23664 24531 24882 25636 25752 26274 26576 27676 27898 28237 29172 30192 30804 31408 31746 32538 32708 33176 33371 33522 35032 35409 36482 38454 38896 39864 41072 41514 41847 42328 43186 43384 44696 47112 47212 48169 49062 49764 51272 51504 52548 54723 55352 55796 56474 56927 58344 61457 61608 63492 64779 65076 65416 66352 66742 67044 70064 70499 70818 72631 72964 74443 76908 79728 83028 83694 84656 84711 86372 86768 89392 89947 94224 94424 94979 96338 98124 99528 100113 102544 105096 109446 110704 111592 112948 113854 116688 122914 123216 126984 129558 130152 130832 133484 134088 140998 141636 144507 145262 145928 148886 153439 153816 162023 166056 167388 169422 170781 172744 179894 184371 188848 189958 192676 196248 199056 200226 200651 210192 211497 217893 218892 223184 223329 225896 227708 237133 245828 253968 259116 260304 266968 268176 269841 281996 283272 284937 289014 290524 291856 297772 306878 307632 324046 332112 334776 338844 341562 345488 359788 367081 368742 379916 385352 392496 400452 401302 422994 435786 437784 446658 451792 455416 460317 474266 486069 491656 518232 533936 539682 563992 566544 569874 578028 581048 595544 601953 613756 626197 648092 669552 677688 683124 711399 719576 734162 737484 759832 770704 798941 800904 802604 818873 845988 871572 875568 893316 910832 920634 948532 967759 972138 983312 1036464 1044769 1079364 1101243 1127984 1139748 1156056 1162096 1191088 1203906 1227512 1234727 1252394 1296184 1355376 1366248 1422798 1439152 1468324 1474968 1519664 1597882 1601808 1605208 1637746 1691976 1743144 1782253 1786632 1841268 1878591 1897064 1935518 1944276 2089538 2106299 2158728 2202486 2279496 2312112 2396823 2407812 2455024 2456619 2469454 2504788 2592368 2608463 2732496 2754391 2845596 2903277 2936648 2949936 3134307 3195764 3210416 3275492 3383952 3486288 3564506 3573264 3682536 3704181 3757182 3794128 3871036 3888552 4179076 4212598 4317456 4404972 4558992 4793646 4815624 4913238 4938908 5009576 5216926 5346759 5508782 5691192 5806554 5873296 6268614 6318897 6391528 6550984 7129012 7365072 7408362 7514364 7742072 7777104 7825389 8263173 8358152 8425196 8809944 9587292 9631248 9826476 9877816 10019152 10433852 10645349 10693518 11017564 11382384 11613108 12537228 12637794 12783056 13101968 13581997 14258024 14816724 15028728 15484144 15650778 16526346 16716304 16850392 17619888 19174584 19652952 19755632 20867704 21290698 21387036 22035128 23169289 23226216 25074456 25275588 27163994 28516048 29633448 30057456 30298301 31301556 31936047 33052692 33700784 35807083 38349168 39305904 40745991 41735408 42581396 42774072 44070256 46338578 46452432 50148912 50551176 54327988 59266896 60596602 62603112 63872094 66105384 69507867 71614166 81491982 85162792 85548144 90894903 92677156 101102352 107421249 108655976 121193204 125206224 127744188 132210768 139015734 143228332 162983964 170325584 181789806 185354312 214842498 217311952 242386408 255488376 278031468 286456664 325967928 363579612 370708624 393877913 429684996 484772816 510976752 556062936 572913328 651935856 727159224 787755826 859369992 1112125872 1181633739 1454318448 1575511652 1718739984 2363267478 3151023304 4726534956 6302046608 9453069912 18906139824
• Sum of all divisors σ(n): 64975841280
• Sum of proper divisors (its aliquot sum) s(n): 46069701456
• 18906139824 is an abundant number, because the sum of its proper divisors (46069701456) is greater than itself. Its abundance is 27163561632

Bases of 18906139824

• Binary: 10001100110111001001100110010110000₂
• Hexadecimal: 0x466E4CCB0
• Base-36: 8OO86UO

Squares and roots of 18906139824

• 18906139824 squared (18906139824²) is 357442123044638750976
• 18906139824 cubed (18906139824³) is 6757850757269352819520972468224
• The square root of 18906139824 is 137499.5993594163
• The cube root of 18906139824 is 2664.0004170839

Scales and comparisons

• 18,906,139,824 seconds is equal to 601 years, 8 weeks, 1 day, 1 hour, 30 minutes, 24 seconds.
• To count from 1 to 18,906,139,824 would take you about one thousand, two hundred two 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 18906139824 cubic inches would be around 222 feet tall.

Recreational maths with 18906139824

• 18906139824 backwards is 42893160981
• 18906139824 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18906139824's digits is 51
• More coming soon!