18367993000

Names of 18367993000

• Cardinal: 18367993000 can be written as Eighteen billion, three hundred sixty-seven million, nine hundred ninety-three thousand.

Scientific notation

• Scientific notation: 1.8367993 × 10¹⁰

Factors of 18367993000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 53565

Divisors of 18367993000

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 25 28 35 40 49 50 56 70 98 100 125 140 175 196 200 245 250 280 343 350 392 490 500 686 700 875 980 1000 1225 1372 1400 1715 1750 1960 2450 2744 3430 3500 4900 6125 6860 7000 8575 9800 12250 13720 17150 24500 34300 42875 49000 53551 68600 85750 107102 171500 214204 267755 343000 374857 428408 535510 749714 1071020 1338775 1499428 1874285 2142040 2623999 2677550 2998856 3748570 5247998 5355100 6693875 7497140 9371425 10495996 10710200 13119995 13387750 14994280 18367993 18742850 20991992 26239990 26775500 36735986 37485700 46857125 52479980 53551000 65599975 73471972 74971400 91839965 93714250 104959960 131199950 146943944 183679930 187428500 262399900 327999875 367359860 374857000 459199825 524799800 655999750 734719720 918399650 1311999500 1836799300 2295999125 2623999000 3673598600 4591998250 9183996500 18367993000
• Sum of all divisors σ(n): 50124672000
• Sum of proper divisors (its aliquot sum) s(n): 31756679000
• 18367993000 is an abundant number, because the sum of its proper divisors (31756679000) is greater than itself. Its abundance is 13388686000

Bases of 18367993000

• Binary: 10001000110110100010101010010101000₂
• Hexadecimal: 0x446D154A8
• Base-36: 8FRTU3S

Squares and roots of 18367993000

• 18367993000 squared (18367993000²) is 337383166848049000000
• 18367993000 cubed (18367993000³) is 6197051646982796095657000000000
• The square root of 18367993000 is 135528.5689439685
• The cube root of 18367993000 is 2638.4805784677

Scales and comparisons

• 18,367,993,000 seconds is equal to 584 years, 2 weeks, 2 days, 12 hours, 16 minutes, 40 seconds.
• To count from 1 to 18,367,993,000 would take you about one thousand, one hundred sixty-eight 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 18367993000 cubic inches would be around 219.9 feet tall.

Recreational maths with 18367993000

• 18367993000 backwards is 00039976381
• The number of decimal digits it has is: 11
• The sum of 18367993000's digits is 46
• More coming soon!