40642070

Names of 40642070

• Cardinal: 40642070 can be written as Forty million, six hundred forty-two thousand and seventy.

Scientific notation

• Scientific notation: 4.064207 × 10⁷

Factors of 40642070

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 72

Divisors of 40642070

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 7 10 14 17 34 35 41 49 70 82 85 98 119 170 205 238 245 287 289 343 410 490 574 578 595 686 697 833 1190 1394 1435 1445 1666 1715 2009 2023 2870 2890 3430 3485 4018 4046 4165 4879 5831 6970 8330 9758 10045 10115 11662 11849 14063 14161 20090 20230 23698 24395 28126 28322 29155 34153 48790 58310 59245 68306 70315 70805 82943 99127 118490 140630 141610 165886 170765 198254 239071 341530 414715 478142 495635 580601 829430 991270 1161202 1195355 2390710 2903005 4064207 5806010 8128414 20321035 40642070
• Sum of all divisors σ(n): 92836800
• Sum of proper divisors (its aliquot sum) s(n): 52194730
• 40642070 is an abundant number, because the sum of its proper divisors (52194730) is greater than itself. Its abundance is 11552660

Bases of 40642070

• Binary: 10011011000010011000010110₂
• Hexadecimal: 0x26C2616
• Base-36: O73ME

Squares and roots of 40642070

• 40642070 squared (40642070²) is 1651777853884900
• 40642070 cubed (40642070³) is 67131671162039877743000
• The square root of 40642070 is 6375.1133323259
• The cube root of 40642070 is 343.8153585917

Scales and comparisons

• 40,642,070 seconds is equal to 1 year, 15 weeks, 1 day, 9 hours, 27 minutes, 50 seconds.
• To count from 1 to 40,642,070 would take you about forty-eight 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 40642070 cubic inches would be around 28.7 feet tall.

Recreational maths with 40642070

• 40642070 backwards is 07024604
• The number of decimal digits it has is: 8
• The sum of 40642070's digits is 23
• More coming soon!