18394792680

Names of 18394792680

• Cardinal: 18394792680 can be written as Eighteen billion, three hundred ninety-four million, seven hundred ninety-two thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.839479268 × 10¹⁰

Factors of 18394792680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 115

Divisors of 18394792680

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 41 44 53 55 60 66 82 88 106 110 120 121 123 132 159 164 165 205 212 220 242 246 264 265 318 328 330 363 410 424 440 451 484 492 530 583 605 615 636 660 726 795 820 902 968 984 1060 1166 1210 1230 1272 1320 1331 1353 1452 1590 1640 1749 1804 1815 2120 2173 2255 2332 2420 2460 2662 2706 2809 2904 2915 3180 3498 3608 3630 3993 4346 4510 4664 4840 4920 4961 5324 5412 5618 5830 6360 6413 6519 6655 6765 6996 7260 7986 8427 8692 8745 9020 9922 10648 10824 10865 11236 11660 12826 13038 13310 13530 13992 14045 14520 14883 15972 16854 17384 17490 18040 19239 19844 19965 21730 22472 23320 23903 24805 25652 26076 26620 27060 28090 29766 30899 31944 32065 32595 33708 34980 38478 39688 39930 42135 43460 47806 49610 51304 52152 53240 54120 54571 56180 59532 61798 64130 65190 67416 69960 70543 71709 74415 76956 79860 84270 86920 92697 95612 96195 99220 109142 112360 115169 119064 119515 123596 128260 130380 141086 143418 148830 153912 154495 159720 163713 168540 185394 191224 192390 198440 211629 218284 230338 239030 247192 256520 260760 262933 272855 282172 286836 297660 308990 327426 337080 339889 345507 352715 358545 370788 384780 423258 436568 460676 463485 478060 525866 545710 564344 573672 575845 595320 617980 654852 679778 691014 705430 717090 741576 769560 788799 818565 846516 921352 926970 956120 1019667 1051732 1058145 1091420 1151690 1235960 1266859 1309704 1314665 1359556 1382028 1410860 1434180 1577598 1637130 1693032 1699445 1727535 1853940 2039334 2103464 2116290 2182840 2303380 2533718 2629330 2719112 2764056 2821720 2868360 2892263 3155196 3274260 3398890 3455070 3707880 3738779 3800577 3943995 4078668 4232580 4606760 5067436 5098335 5258660 5784526 6310392 6334295 6548520 6797780 6910140 7477558 7601154 7887990 8157336 8465160 8676789 10134872 10196670 10517320 11216337 11569052 12668590 13595560 13820280 13935449 14461315 14955116 15202308 15775980 17353578 18693895 19002885 20393340 22432674 23138104 25337180 27870898 28922630 29910232 30404616 31551960 34707156 37387790 38005770 40786680 41806347 43383945 44865348 50674360 55741796 56081685 57845260 69414312 69677245 74775580 76011540 83612694 86767890 89730696 111483592 112163370 115690520 139354490 149551160 152023080 153289939 167225388 173535780 209031735 224326740 278708980 306579878 334450776 347071560 418063470 448653480 459869817 557417960 613159756 766449695 836126940 919739634 1226319512 1532899390 1672253880 1839479268 2299349085 3065798780 3678958536 4598698170 6131597560 9197396340 18394792680
• Sum of all divisors σ(n): 63374451840
• Sum of proper divisors (its aliquot sum) s(n): 44979659160
• 18394792680 is an abundant number, because the sum of its proper divisors (44979659160) is greater than itself. Its abundance is 26584866480

Bases of 18394792680

• Binary: 10001001000011010100100001011101000₂
• Hexadecimal: 0x4486A42E8
• Base-36: 8G7S8VC

Squares and roots of 18394792680

• 18394792680 squared (18394792680²) is 338368397740181582400
• 18394792680 cubed (18394792680³) is 6224216525894420713802336832000
• The square root of 18394792680 is 135627.4038680973
• The cube root of 18394792680 is 2639.7631732003

Scales and comparisons

• 18,394,792,680 seconds is equal to 584 years, 46 weeks, 4 days, 16 hours, 38 minutes.
• To count from 1 to 18,394,792,680 would take you about one thousand, one hundred sixty-nine 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 18394792680 cubic inches would be around 220 feet tall.

Recreational maths with 18394792680

• 18394792680 backwards is 08629749381
• The number of decimal digits it has is: 11
• The sum of 18394792680's digits is 57
• More coming soon!