18329993820

Names of 18329993820

• Cardinal: 18329993820 can be written as Eighteen billion, three hundred twenty-nine million, nine hundred ninety-three thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.832999382 × 10¹⁰

Factors of 18329993820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 231

Divisors of 18329993820

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 41 45 53 54 60 81 82 90 106 108 123 127 135 159 162 164 180 205 212 246 254 265 270 318 324 369 381 405 410 477 492 508 530 540 615 635 636 738 762 795 810 820 954 1060 1107 1143 1230 1270 1431 1476 1524 1590 1620 1681 1845 1905 1908 2173 2214 2286 2385 2460 2540 2862 3180 3321 3362 3429 3690 3810 4293 4346 4428 4572 4770 5043 5207 5535 5715 5724 6519 6642 6724 6731 6858 7155 7380 7620 8405 8586 8692 9540 10086 10287 10414 10865 11070 11430 13038 13284 13462 13716 14310 15129 15621 16605 16810 17145 17172 19557 20172 20193 20574 20828 21465 21730 22140 22860 25215 26035 26076 26924 28620 30258 31242 32595 33210 33620 33655 34290 39114 40386 41148 42930 43460 45387 46863 50430 51435 52070 58671 60516 60579 62484 65190 66420 67310 68580 75645 78105 78228 80772 85860 89093 90774 93726 97785 100860 100965 102870 104140 117342 121158 130380 134620 136161 140589 151290 156210 176013 178186 181548 181737 187452 195570 201930 205740 213487 226935 234315 234684 242316 267279 272322 275971 281178 293355 302580 302895 312420 352026 356372 363474 391140 403860 421767 426974 445465 453870 468630 534558 544644 545211 551942 562356 586710 605790 640461 680805 702945 704052 726948 801837 827913 843534 853948 880065 890930 907740 908685 937260 1067435 1069116 1090422 1103884 1173420 1211580 1280922 1336395 1361610 1379855 1405890 1603674 1655826 1687068 1760130 1781860 1817370 1921383 2108835 2134870 2180844 2405511 2483739 2561844 2672790 2723220 2726055 2759710 2811780 3202305 3207348 3311652 3520260 3634740 3842766 4009185 4139565 4217670 4269740 4811022 4967478 5345580 5452110 5519420 5764149 6404610 7216533 7451217 7685532 8018370 8279130 8435340 9606915 9622044 9934956 10904220 11314811 11528298 12027555 12418695 12809220 14433066 14902434 16036740 16558260 17292447 19213830 22353651 22629622 23056596 24055110 24837390 28820745 28866132 29804868 33944433 34584894 36082665 37256085 38427660 44707302 45259244 48110220 49674780 56574055 57641490 67888866 69169788 72165330 74512170 86462235 89414604 101833299 111768255 113148110 115282980 135777732 144330660 149024340 169722165 172924470 203666598 223536510 226296220 305499897 339444330 345848940 407333196 447073020 509166495 610999794 678888660 916499691 1018332990 1221999588 1527499485 1832999382 2036665980 3054998970 3665998764 4582498455 6109997940 9164996910 18329993820
• Sum of all divisors σ(n): 60523448832
• Sum of proper divisors (its aliquot sum) s(n): 42193455012
• 18329993820 is an abundant number, because the sum of its proper divisors (42193455012) is greater than itself. Its abundance is 23863461192

Bases of 18329993820

• Binary: 10001000100100011011000001001011100₂
• Hexadecimal: 0x4448D825C
• Base-36: 8F57DR0

Squares and roots of 18329993820

• 18329993820 squared (18329993820²) is 335988673441238192400
• 18329993820 cubed (18329993820³) is 6158670307767894199839970968000
• The square root of 18329993820 is 135388.3075453711
• The cube root of 18329993820 is 2636.6598512129

Scales and comparisons

• 18,329,993,820 seconds is equal to 582 years, 43 weeks, 3 days, 16 hours, 57 minutes.
• To count from 1 to 18,329,993,820 would take you about one thousand, one hundred sixty-five 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 18329993820 cubic inches would be around 219.7 feet tall.

Recreational maths with 18329993820

• 18329993820 backwards is 02839992381
• 18329993820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18329993820's digits is 54
• More coming soon!