18305989632

Names of 18305989632

• Cardinal: 18305989632 can be written as Eighteen billion, three hundred five million, nine hundred eighty-nine thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 1.8305989632 × 10¹⁰

Factors of 18305989632

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 822

Divisors of 18305989632

• Number of divisors d(n): 440
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 41 42 48 54 56 63 64 72 81 82 84 96 108 112 123 126 128 144 162 164 168 189 192 216 224 246 252 256 287 288 324 328 336 369 378 384 432 448 492 504 512 567 574 576 648 656 672 738 756 768 769 861 864 896 984 1008 1024 1107 1134 1148 1152 1296 1312 1344 1476 1512 1536 1538 1722 1728 1792 1968 2016 2214 2268 2296 2304 2307 2583 2592 2624 2688 2952 3024 3072 3076 3321 3444 3456 3584 3936 4032 4428 4536 4592 4608 4614 5166 5184 5248 5376 5383 5904 6048 6152 6642 6888 6912 6921 7168 7749 7872 8064 8856 9072 9184 9216 9228 10332 10368 10496 10752 10766 11808 12096 12304 13284 13776 13824 13842 15498 15744 16128 16149 17712 18144 18368 18456 20664 20736 20763 20992 21504 21532 23247 23616 24192 24608 26568 27552 27648 27684 30996 31488 31529 32256 32298 35424 36288 36736 36912 41328 41472 41526 41984 43064 46494 47232 48384 48447 49216 53136 55104 55368 61992 62289 62976 63058 64512 64596 70848 72576 73472 73824 82656 82944 83052 86128 92988 94464 94587 96768 96894 98432 106272 110208 110736 123984 124578 125952 126116 129192 141696 145152 145341 146944 147648 165312 166104 172256 185976 188928 189174 193536 193788 196864 212544 220416 220703 221472 247968 249156 252232 258384 283392 283761 290304 290682 293888 295296 330624 332208 344512 371952 377856 378348 387576 393728 425088 436023 440832 441406 442944 495936 498312 504464 516768 566784 567522 580608 581364 590592 661248 662109 664416 689024 743904 756696 775152 787456 850176 851283 872046 881664 882812 885888 991872 996624 1008928 1033536 1133568 1135044 1162728 1181184 1322496 1324218 1328832 1378048 1487808 1513392 1550304 1700352 1702566 1744092 1765624 1771776 1983744 1986327 1993248 2017856 2067072 2270088 2325456 2362368 2553849 2644992 2648436 2657664 2756096 2975616 3026784 3100608 3400704 3405132 3488184 3531248 3543552 3967488 3972654 3986496 4035712 4134144 4540176 4650912 5107698 5296872 5315328 5512192 5951232 5958981 6053568 6201216 6810264 6976368 7062496 7087104 7934976 7945308 7972992 8071424 8268288 9080352 9301824 10215396 10593744 10630656 11902464 11917962 12107136 12402432 13620528 13952736 14124992 15890616 15945984 16142848 16536576 17876943 18160704 18603648 20430792 21187488 21261312 23804928 23835924 24214272 24804864 27241056 27905472 28249984 31781232 31891968 32285696 35753886 36321408 37207296 40861584 42374976 47671848 48428544 49609728 54482112 55810944 56499968 63562464 63783936 71507772 72642816 74414592 81723168 84749952 95343696 96857088 108964224 111621888 112999936 127124928 143015544 145285632 148829184 163446336 169499904 190687392 217928448 223243776 225999872 254249856 286031088 290571264 326892672 338999808 381374784 435856896 446487552 508499712 572062176 653785344 677999616 762749568 871713792 1016999424 1144124352 1307570688 1525499136 2033998848 2288248704 2615141376 3050998272 4576497408 6101996544 9152994816 18305989632
• Sum of all divisors σ(n): 64081580640
• Sum of proper divisors (its aliquot sum) s(n): 45775591008
• 18305989632 is an abundant number, because the sum of its proper divisors (45775591008) is greater than itself. Its abundance is 27469601376

Bases of 18305989632

• Binary: 10001000011000111110011110000000000₂
• Hexadecimal: 0x4431F3C00
• Base-36: 8EQWW00

Squares and roots of 18305989632

• 18305989632 squared (18305989632²) is 335109256406891495424
• 18305989632 cubed (18305989632³) is 6134506573371785288580719443968
• The square root of 18305989632 is 135299.6290904007
• The cube root of 18305989632 is 2635.5083955317

Scales and comparisons

• 18,305,989,632 seconds is equal to 582 years, 3 weeks, 5 days, 21 hours, 7 minutes, 12 seconds.
• To count from 1 to 18,305,989,632 would take you about one thousand, one hundred sixty-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 18305989632 cubic inches would be around 219.6 feet tall.

Recreational maths with 18305989632

• 18305989632 backwards is 23698950381
• 18305989632 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18305989632's digits is 54
• More coming soon!