18198406080

Names of 18198406080

• Cardinal: 18198406080 can be written as Eighteen billion, one hundred ninety-eight million, four hundred six thousand and eighty.

Scientific notation

• Scientific notation: 1.819840608 × 10¹⁰

Factors of 18198406080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 622

Divisors of 18198406080

• Number of divisors d(n): 392
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 135 144 160 162 180 181 192 216 240 243 270 288 320 324 360 362 405 431 432 480 486 540 543 576 648 720 724 729 810 862 864 905 960 972 1080 1086 1215 1293 1296 1440 1448 1458 1620 1629 1724 1728 1810 1944 2155 2160 2172 2430 2586 2592 2715 2880 2896 2916 3240 3258 3448 3620 3645 3879 3888 4310 4320 4344 4860 4887 5172 5184 5430 5792 5832 6465 6480 6516 6896 7240 7290 7758 7776 8145 8620 8640 8688 9720 9774 10344 10860 11584 11637 11664 12930 12960 13032 13792 14480 14580 14661 15516 15552 16290 17240 17376 19395 19440 19548 20688 21720 23274 23328 24435 25860 25920 26064 27584 28960 29160 29322 31032 32580 34480 34752 34911 38790 38880 39096 41376 43440 43983 46548 46656 48870 51720 52128 57920 58185 58320 58644 62064 65160 68960 69822 73305 77580 77760 78011 78192 82752 86880 87966 93096 97740 103440 104256 104733 116370 116640 117288 124128 130320 131949 137920 139644 146610 155160 156022 156384 173760 174555 175932 186192 195480 206880 209466 219915 232740 233280 234033 234576 248256 260640 263898 279288 293220 310320 312044 312768 314199 349110 351864 372384 390055 390960 413760 418932 439830 465480 468066 469152 521280 523665 527796 558576 586440 620640 624088 628398 659745 698220 702099 703728 744768 780110 781920 837864 879660 930960 936132 938304 1047330 1055592 1117152 1170165 1172880 1241280 1248176 1256796 1319490 1396440 1404198 1407456 1560220 1563840 1570995 1675728 1759320 1861920 1872264 2094660 2106297 2111184 2234304 2340330 2345760 2496352 2513592 2638980 2792880 2808396 2814912 3120440 3141990 3351456 3510495 3518640 3723840 3744528 4189320 4212594 4222368 4680660 4691520 4992704 5027184 5277960 5585760 5616792 6240880 6283980 6318891 6702912 7020990 7037280 7489056 8378640 8425188 8444736 9361320 10054368 10531485 10555920 11171520 11233584 12481760 12567960 12637782 14041980 14074560 14978112 16757280 16850376 18722640 18956673 20108736 21062970 21111840 22467168 24963520 25135920 25275564 28083960 31594455 33514560 33700752 37445280 37913346 42125940 42223680 44934336 50271840 50551128 56167920 56870019 63188910 67401504 74890560 75826692 84251880 94783365 100543680 101102256 112335840 113740038 126377820 134803008 151653384 168503760 189566730 202204512 224671680 227480076 252755640 284350095 303306768 337007520 379133460 404409024 454960152 505511280 568700190 606613536 674015040 758266920 909920304 1011022560 1137400380 1213227072 1516533840 1819840608 2022045120 2274800760 3033067680 3639681216 4549601520 6066135360 9099203040 18198406080
• Sum of all divisors σ(n): 65483256384
• Sum of proper divisors (its aliquot sum) s(n): 47284850304
• 18198406080 is an abundant number, because the sum of its proper divisors (47284850304) is greater than itself. Its abundance is 29086444224

Bases of 18198406080

• Binary: 10000111100101101011010001111000000₂
• Hexadecimal: 0x43CB5A3C0
• Base-36: 8CYV000

Squares and roots of 18198406080

• 18198406080 squared (18198406080²) is 331181983852580966400
• 18198406080 cubed (18198406080³) is 6026984228529271282626035712000
• The square root of 18198406080 is 134901.4680424197
• The cube root of 18198406080 is 2630.3353232805

Scales and comparisons

• 18,198,406,080 seconds is equal to 578 years, 33 weeks, 6 days, 16 hours, 48 minutes.
• To count from 1 to 18,198,406,080 would take you about one thousand, one hundred fifty-seven 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 18198406080 cubic inches would be around 219.2 feet tall.

Recreational maths with 18198406080

• 18198406080 backwards is 08060489181
• 18198406080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18198406080's digits is 45
• More coming soon!