18941400

Names of 18941400

• Cardinal: 18941400 can be written as Eighteen million, nine hundred forty-one thousand, four hundred.

Scientific notation

• Scientific notation: 1.89414 × 10⁷

Factors of 18941400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 646

Divisors of 18941400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 25 30 34 36 40 45 50 51 60 68 72 75 85 90 100 102 120 136 150 153 170 180 200 204 225 255 300 306 340 360 408 425 450 510 600 612 619 680 765 850 900 1020 1224 1238 1275 1530 1700 1800 1857 2040 2476 2550 3060 3095 3400 3714 3825 4952 5100 5571 6120 6190 7428 7650 9285 10200 10523 11142 12380 14856 15300 15475 18570 21046 22284 24760 27855 30600 30950 31569 37140 42092 44568 46425 52615 55710 61900 63138 74280 84184 92850 94707 105230 111420 123800 126276 139275 157845 185700 189414 210460 222840 252552 263075 278550 315690 371400 378828 420920 473535 526150 557100 631380 757656 789225 947070 1052300 1114200 1262760 1578450 1894140 2104600 2367675 3156900 3788280 4735350 6313800 9470700 18941400
• Sum of all divisors σ(n): 67462200
• Sum of proper divisors (its aliquot sum) s(n): 48520800
• 18941400 is an abundant number, because the sum of its proper divisors (48520800) is greater than itself. Its abundance is 29579400

Bases of 18941400

• Binary: 1001000010000010111011000₂
• Hexadecimal: 0x12105D8
• Base-36: B9ZA0

Squares and roots of 18941400

• 18941400 squared (18941400²) is 358776633960000
• 18941400 cubed (18941400³) is 6795731734489944000000
• The square root of 18941400 is 4352.1718716061
• The cube root of 18941400 is 266.5655519419

Scales and comparisons

• 18,941,400 seconds is equal to 31 weeks, 2 days, 5 hours, 30 minutes.
• To count from 1 to 18,941,400 would take you about forty-six weeks!

  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 18941400 cubic inches would be around 22.2 feet tall.

Recreational maths with 18941400

• 18941400 backwards is 00414981
• The number of decimal digits it has is: 8
• The sum of 18941400's digits is 27
• More coming soon!