18641142

Names of 18641142

• Cardinal: 18641142 can be written as Eighteen million, six hundred forty-one thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.8641142 × 10⁷

Factors of 18641142

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 155

Divisors of 18641142

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 13 18 26 29 39 41 58 67 78 82 87 117 123 134 174 201 234 246 261 369 377 402 522 533 603 738 754 871 1066 1131 1189 1206 1599 1742 1943 2262 2378 2613 2747 3198 3393 3567 3886 4797 5226 5494 5829 6786 7134 7839 8241 9594 10701 11658 15457 15678 16482 17487 21402 24723 25259 30914 34974 35711 46371 49446 50518 71422 75777 79663 92742 107133 139113 151554 159326 214266 227331 238989 278226 321399 454662 477978 642798 716967 1035619 1433934 2071238 3106857 6213714 9320571 18641142
• Sum of all divisors σ(n): 46781280
• Sum of proper divisors (its aliquot sum) s(n): 28140138
• 18641142 is an abundant number, because the sum of its proper divisors (28140138) is greater than itself. Its abundance is 9498996

Bases of 18641142

• Binary: 1000111000111000011110110₂
• Hexadecimal: 0x11C70F6
• Base-36: B3JLI

Squares and roots of 18641142

• 18641142 squared (18641142²) is 347492175064164
• 18641142 cubed (18641142³) is 6477650979259940235288
• The square root of 18641142 is 4317.5388822801
• The cube root of 18641142 is 265.1495157207

Scales and comparisons

• 18,641,142 seconds is equal to 30 weeks, 5 days, 18 hours, 5 minutes, 42 seconds.
• To count from 1 to 18,641,142 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 18641142 cubic inches would be around 22.1 feet tall.

Recreational maths with 18641142

• 18641142 backwards is 24114681
• The number of decimal digits it has is: 8
• The sum of 18641142's digits is 27
• More coming soon!