18280138500

Names of 18280138500

• Cardinal: 18280138500 can be written as Eighteen billion, two hundred eighty million, one hundred thirty-eight thousand, five hundred.

Scientific notation

• Scientific notation: 1.82801385 × 10¹⁰

Factors of 18280138500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 66

Divisors of 18280138500

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 30 36 39 43 45 50 52 60 65 75 78 86 90 100 117 125 129 130 150 156 169 172 180 195 215 225 234 250 258 260 300 325 338 375 387 390 430 450 468 500 507 516 559 585 645 650 676 750 774 780 845 860 900 975 1014 1075 1118 1125 1170 1290 1300 1500 1521 1548 1625 1677 1690 1849 1935 1950 2028 2150 2197 2236 2250 2340 2535 2580 2795 2925 3042 3225 3250 3354 3380 3698 3870 3900 4225 4300 4394 4500 4875 5031 5070 5375 5547 5590 5850 6084 6450 6500 6591 6708 7267 7396 7605 7740 8385 8450 8788 9245 9675 9750 10062 10140 10750 10985 11094 11180 11700 12675 12900 13182 13975 14534 14625 15210 16125 16641 16770 16900 18490 19350 19500 19773 20124 21125 21500 21801 21970 22188 24037 25155 25350 26364 27735 27950 29068 29250 30420 32250 32955 33282 33540 36335 36980 38025 38700 39546 41925 42250 43602 43940 46225 48074 48375 50310 50700 54925 55470 55900 58500 63375 64500 65403 65910 66564 69875 72111 72670 76050 79092 83205 83850 84500 87204 92450 94471 96148 96750 98865 100620 109005 109850 110940 120185 125775 126750 130806 131820 138675 139750 144222 145340 152100 164775 166410 167700 181675 184900 188942 190125 193500 197730 209625 216333 218010 219700 231125 240370 251550 253500 261612 274625 277350 279500 283413 288444 312481 327015 329550 332820 360555 363350 377884 380250 395460 416025 419250 432666 436020 462250 472355 480740 494325 503100 545025 549250 554700 566826 600925 624962 628875 654030 659100 693375 721110 726700 760500 823875 832050 838500 850239 865332 908375 924500 937443 944710 988650 1081665 1090050 1098500 1133652 1201850 1249924 1257750 1308060 1386750 1417065 1442220 1562405 1635075 1647750 1664100 1700478 1802775 1816750 1874886 1889420 1977300 2080125 2163330 2180100 2361775 2403700 2471625 2515500 2725125 2773500 2812329 2834130 3004625 3124810 3270150 3295500 3400956 3605550 3633500 3749772 4062253 4160250 4251195 4326660 4687215 4723550 4943250 5408325 5450250 5624658 5668260 6009250 6249620 6540300 7085325 7211100 7812025 8124506 8175375 8320500 8502390 9013875 9374430 9447100 9886500 10816650 10900500 11249316 11808875 12018500 12186759 14061645 14170650 15624050 16249012 16350750 17004780 18027750 18748860 20311265 21255975 21633300 23436075 23617750 24373518 27041625 28123290 28341300 31248100 32701500 35426625 36055500 36560277 39060125 40622530 42511950 46872150 47235500 48747036 54083250 56246580 60933795 70308225 70853250 73120554 78120250 81245060 85023900 93744300 101556325 106279875 108166500 117180375 121867590 140616450 141706500 146241108 156240500 182801385 203112650 212559750 234360750 243735180 281232900 304668975 351541125 365602770 406225300 425119500 468721500 507781625 609337950 703082250 731205540 914006925 1015563250 1218675900 1406164500 1523344875 1828013850 2031126500 3046689750 3656027700 4570034625 6093379500 9140069250 18280138500
• Sum of all divisors σ(n): 63957806640
• Sum of proper divisors (its aliquot sum) s(n): 45677668140
• 18280138500 is an abundant number, because the sum of its proper divisors (45677668140) is greater than itself. Its abundance is 27397529640

Bases of 18280138500

• Binary: 10001000001100101001100011100000100₂
• Hexadecimal: 0x44194C704
• Base-36: 8EBIT50

Squares and roots of 18280138500

• 18280138500 squared (18280138500²) is 334163463579182250000
• 18280138500 cubed (18280138500³) is 6108554395867157246741625000000
• The square root of 18280138500 is 135204.0624389667
• The cube root of 18280138500 is 2634.2672175943

Scales and comparisons

• 18,280,138,500 seconds is equal to 581 years, 13 weeks, 16 hours, 15 minutes.
• To count from 1 to 18,280,138,500 would take you about one thousand, one hundred sixty-two 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 18280138500 cubic inches would be around 219.5 feet tall.

Recreational maths with 18280138500

• 18280138500 backwards is 00583108281
• 18280138500 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18280138500's digits is 36
• More coming soon!