18493201800

Names of 18493201800

• Cardinal: 18493201800 can be written as Eighteen billion, four hundred ninety-three million, two hundred one thousand, eight hundred.

Scientific notation

• Scientific notation: 1.84932018 × 10¹⁰

Factors of 18493201800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 201478

Divisors of 18493201800

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 25 27 30 34 36 40 45 50 51 54 60 68 72 75 85 90 100 102 108 120 135 136 150 153 170 180 200 204 216 225 255 270 300 306 340 360 408 425 450 459 510 540 600 612 675 680 765 850 900 918 1020 1080 1224 1275 1350 1530 1700 1800 1836 2040 2295 2550 2700 3060 3400 3672 3825 4590 5100 5400 6120 7650 9180 10200 11475 15300 18360 22950 30600 45900 91800 201451 402902 604353 805804 1007255 1208706 1611608 1813059 2014510 2417412 3021765 3424667 3626118 4029020 4834824 5036275 5439177 6043530 6849334 7252236 8058040 9065295 10072550 10274001 10878354 12087060 13698668 14504472 15108825 17123335 18130590 20145100 20548002 21756708 24174120 27195885 27397336 30217650 30822003 34246670 36261180 40290200 41096004 43513416 45326475 51370005 54391770 60435300 61644006 68493340 72522360 82192008 85616675 90652950 92466009 102740010 108783540 120870600 123288012 135979425 136986680 154110015 171233350 181305900 184932018 205480020 217567080 246576024 256850025 271958850 308220030 342466700 362611800 369864036 410960040 462330045 513700050 543917700 616440060 684933400 739728072 770550075 924660090 1027400100 1087835400 1232880120 1541100150 1849320180 2054800200 2311650225 3082200300 3698640360 4623300450 6164400600 9246600900 18493201800
• Sum of all divisors σ(n): 67446129600
• Sum of proper divisors (its aliquot sum) s(n): 48952927800
• 18493201800 is an abundant number, because the sum of its proper divisors (48952927800) is greater than itself. Its abundance is 30459726000

Bases of 18493201800

• Binary: 10001001110010001111101110110001000₂
• Hexadecimal: 0x44E47DD88
• Base-36: 8HUDHU0

Squares and roots of 18493201800

• 18493201800 squared (18493201800²) is 341998512815523240000
• 18493201800 cubed (18493201800³) is 6324647512797357449909832000000
• The square root of 18493201800 is 135989.7121108799
• The cube root of 18493201800 is 2644.4622365527

Scales and comparisons

• 18,493,201,800 seconds is equal to 588 years, 1 week, 2 days, 16 hours, 30 minutes.
• To count from 1 to 18,493,201,800 would take you about one thousand, one hundred seventy-six 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 18493201800 cubic inches would be around 220.4 feet tall.

Recreational maths with 18493201800

• 18493201800 backwards is 00810239481
• 18493201800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18493201800's digits is 36
• More coming soon!