18953472

Names of 18953472

• Cardinal: 18953472 can be written as Eighteen million, nine hundred fifty-three thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8953472 × 10⁷

Factors of 18953472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 94

Divisors of 18953472

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 29 32 37 46 48 58 64 69 74 87 92 96 111 116 128 138 148 174 184 192 222 232 256 276 296 348 368 384 444 464 552 592 667 696 736 768 851 888 928 1073 1104 1184 1334 1392 1472 1702 1776 1856 2001 2146 2208 2368 2553 2668 2784 2944 3219 3404 3552 3712 4002 4292 4416 4736 5106 5336 5568 5888 6438 6808 7104 7424 8004 8584 8832 9472 10212 10672 11136 12876 13616 14208 16008 17168 17664 20424 21344 22272 24679 25752 27232 28416 32016 34336 40848 42688 49358 51504 54464 64032 68672 74037 81696 85376 98716 103008 108928 128064 137344 148074 163392 170752 197432 206016 217856 256128 274688 296148 326784 394864 412032 512256 592296 653568 789728 824064 1184592 1579456 2369184 3158912 4738368 6317824 9476736 18953472
• Sum of all divisors σ(n): 55923840
• Sum of proper divisors (its aliquot sum) s(n): 36970368
• 18953472 is an abundant number, because the sum of its proper divisors (36970368) is greater than itself. Its abundance is 18016896

Bases of 18953472

• Binary: 1001000010011010100000000₂
• Hexadecimal: 0x1213500
• Base-36: BA8LC

Squares and roots of 18953472

• 18953472 squared (18953472²) is 359234100854784
• 18953472 cubed (18953472³) is 6808733471996324610048
• The square root of 18953472 is 4353.5585444553
• The cube root of 18953472 is 266.6221703535

Scales and comparisons

• 18,953,472 seconds is equal to 31 weeks, 2 days, 8 hours, 51 minutes, 12 seconds.
• To count from 1 to 18,953,472 would take you about forty-seven 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 18953472 cubic inches would be around 22.2 feet tall.

Recreational maths with 18953472

• 18953472 backwards is 27435981
• The number of decimal digits it has is: 8
• The sum of 18953472's digits is 39
• More coming soon!