18191048000

Names of 18191048000

• Cardinal: 18191048000 can be written as Eighteen billion, one hundred ninety-one million, forty-eight thousand.

Scientific notation

• Scientific notation: 1.8191048 × 10¹⁰

Factors of 18191048000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 73389

Divisors of 18191048000

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 31 32 40 50 62 64 80 100 124 125 155 160 200 248 250 310 320 400 496 500 620 775 800 992 1000 1240 1550 1600 1984 2000 2480 3100 3875 4000 4960 6200 7750 8000 9920 12400 15500 24800 31000 49600 62000 73351 124000 146702 248000 293404 366755 586808 733510 1173616 1467020 1833775 2273881 2347232 2934040 3667550 4547762 4694464 5868080 7335100 9095524 9168875 11369405 11736160 14670200 18191048 18337750 22738810 23472320 29340400 36382096 36675500 45477620 56847025 58680800 72764192 73351000 90955240 113694050 117361600 145528384 146702000 181910480 227388100 284235125 293404000 363820960 454776200 568470250 586808000 727641920 909552400 1136940500 1819104800 2273881000 3638209600 4547762000 9095524000 18191048000
• Sum of all divisors σ(n): 46503994368
• Sum of proper divisors (its aliquot sum) s(n): 28312946368
• 18191048000 is an abundant number, because the sum of its proper divisors (28312946368) is greater than itself. Its abundance is 10121898368

Bases of 18191048000

• Binary: 10000111100010001010101110101000000₂
• Hexadecimal: 0x43C455D40
• Base-36: 8CUHAGW

Squares and roots of 18191048000

• 18191048000 squared (18191048000²) is 330914227338304000000
• 18191048000 cubed (18191048000³) is 6019676593394000302592000000000
• The square root of 18191048000 is 134874.1932320635
• The cube root of 18191048000 is 2629.9807715925

Scales and comparisons

• 18,191,048,000 seconds is equal to 578 years, 21 weeks, 5 days, 12 hours, 53 minutes, 20 seconds.
• To count from 1 to 18,191,048,000 would take you about one thousand, one hundred fifty-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 18191048000 cubic inches would be around 219.2 feet tall.

Recreational maths with 18191048000

• 18191048000 backwards is 00084019181
• 18191048000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18191048000's digits is 32
• More coming soon!