18103743900

Names of 18103743900

• Cardinal: 18103743900 can be written as Eighteen billion, one hundred three million, seven hundred forty-three thousand, nine hundred.

Scientific notation

• Scientific notation: 1.81037439 × 10¹⁰

Factors of 18103743900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 87

Divisors of 18103743900

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 23 25 30 33 36 43 44 45 46 50 55 60 66 69 75 86 90 92 99 100 110 115 129 132 138 150 165 172 180 198 207 215 220 225 230 253 258 275 276 300 330 345 387 396 414 430 450 460 473 495 506 516 550 575 645 660 690 759 774 825 828 860 900 946 989 990 1012 1035 1075 1100 1150 1265 1290 1380 1419 1518 1548 1650 1725 1849 1892 1935 1978 1980 2070 2150 2277 2300 2365 2475 2530 2580 2838 2967 3036 3225 3300 3450 3698 3795 3870 3956 4140 4257 4300 4554 4730 4945 4950 5060 5175 5547 5676 5934 6325 6450 6900 7095 7396 7590 7740 8514 8901 9108 9245 9460 9675 9890 9900 10350 10879 11094 11385 11825 11868 12650 12900 14190 14835 15180 16641 17028 17802 18490 18975 19350 19780 20339 20700 21285 21758 22188 22770 23650 24725 25300 27735 28380 29670 32637 33282 35475 35604 36980 37950 38700 40678 42527 42570 43516 44505 45540 46225 47300 49450 54395 55470 56925 59340 61017 65274 66564 70950 74175 75900 79507 81356 83205 85054 85140 89010 92450 97911 98900 101695 106425 108790 110940 113850 122034 127581 130548 138675 141900 148350 159014 163185 166410 170108 178020 183051 184900 195822 203390 212635 212850 217580 222525 227700 238521 244068 255162 271975 277350 296700 305085 318028 326370 332820 366102 382743 391644 397535 406780 416025 425270 425700 445050 467797 477042 489555 508475 510324 543950 554700 610170 637905 652740 715563 732204 765486 795070 815925 832050 850540 874577 890100 915255 935594 954084 979110 1016950 1063175 1087900 1192605 1220340 1275810 1403391 1431126 1525425 1530972 1590140 1631850 1664100 1749154 1828661 1830510 1871188 1913715 1958220 1987675 2033900 2126350 2338985 2385210 2447775 2551620 2623731 2806782 2862252 3050850 3189525 3263700 3498308 3577815 3657322 3661020 3827430 3975350 4210173 4252700 4372885 4576275 4677970 4770420 4895550 5247462 5485983 5613564 5963025 6101700 6379050 7016955 7155630 7314644 7654860 7871193 7950700 8420346 8745770 9143305 9152550 9355940 9568575 9791100 10494924 10971966 11694925 11926050 12758100 13118655 14033910 14311260 15742386 16457949 16840692 17491540 17889075 18286610 18305100 19137150 20115271 21050865 21864425 21943932 23389850 23852100 26237310 27429915 28067820 31484772 32915898 35084775 35778150 36573220 38274300 39355965 40230542 42101730 43728850 45716525 46779700 52474620 54859830 60345813 65593275 65831796 70169550 71556300 78711930 80461084 82289745 84203460 87457700 91433050 100576355 105254325 109719660 120691626 131186550 137149575 140339100 157423860 164579490 181037439 182866100 196779825 201152710 210508650 241383252 262373100 274299150 301729065 329158980 362074878 393559650 402305420 411448725 421017300 502881775 548598300 603458130 724149756 787119300 822897450 905187195 1005763550 1206916260 1508645325 1645794900 1810374390 2011527100 3017290650 3620748780 4525935975 6034581300 9051871950 18103743900
• Sum of all divisors σ(n): 66133267200
• Sum of proper divisors (its aliquot sum) s(n): 48029523300
• 18103743900 is an abundant number, because the sum of its proper divisors (48029523300) is greater than itself. Its abundance is 29925779400

Bases of 18103743900

• Binary: 10000110111000100010011010110011100₂
• Hexadecimal: 0x43711359C
• Base-36: 8BEI270

Squares and roots of 18103743900

• 18103743900 squared (18103743900²) is 327745543196787210000
• 18103743900 cubed (18103743900³) is 5933421378401022952635519000000
• The square root of 18103743900 is 134550.1538460659
• The cube root of 18103743900 is 2625.7666767373

Scales and comparisons

• 18,103,743,900 seconds is equal to 575 years, 33 weeks, 3 days, 1 hour, 45 minutes.
• To count from 1 to 18,103,743,900 would take you about one thousand, one hundred fifty-one 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 18103743900 cubic inches would be around 218.8 feet tall.

Recreational maths with 18103743900

• 18103743900 backwards is 00934730181
• 18103743900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18103743900's digits is 36
• More coming soon!