12791142

Names of 12791142

• Cardinal: 12791142 can be written as Twelve million, seven hundred ninety-one thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.2791142 × 10⁷

Factors of 12791142

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 181

Divisors of 12791142

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 19 21 26 27 38 39 42 54 57 63 78 91 114 117 126 133 137 171 182 189 234 247 266 273 274 342 351 378 399 411 494 513 546 702 741 798 819 822 959 1026 1197 1233 1482 1638 1729 1781 1918 2223 2394 2457 2466 2603 2877 3458 3562 3591 3699 4446 4914 5187 5206 5343 5754 6669 7182 7398 7809 8631 10374 10686 12467 13338 15561 15618 16029 17262 18221 23427 24934 25893 31122 32058 33839 36442 37401 46683 46854 48087 51786 54663 67678 70281 74802 93366 96174 101517 109326 112203 140562 163989 203034 224406 236873 304551 327978 336609 473746 491967 609102 673218 710619 913653 983934 1421238 1827306 2131857 4263714 6395571 12791142
• Sum of all divisors σ(n): 37094400
• Sum of proper divisors (its aliquot sum) s(n): 24303258
• 12791142 is an abundant number, because the sum of its proper divisors (24303258) is greater than itself. Its abundance is 11512116

Bases of 12791142

• Binary: 110000110010110101100110₂
• Hexadecimal: 0xC32D66
• Base-36: 7M5PI

Squares and roots of 12791142

• 12791142 squared (12791142²) is 163613313664164
• 12791142 cubed (12791142³) is 2092801128168862035288
• The square root of 12791142 is 3576.4706066177
• The cube root of 12791142 is 233.8674462943

Scales and comparisons

• 12,791,142 seconds is equal to 21 weeks, 1 day, 1 hour, 5 minutes, 42 seconds.
• To count from 1 to 12,791,142 would take you about thirty-one 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 12791142 cubic inches would be around 19.5 feet tall.

Recreational maths with 12791142

• 12791142 backwards is 24119721
• 12791142 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12791142's digits is 27
• More coming soon!