72042152

Names of 72042152

• Cardinal: 72042152 can be written as Seventy-two million, forty-two thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 7.2042152 × 10⁷

Factors of 72042152

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 300

Divisors of 72042152

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 56 67 91 98 104 134 182 196 211 268 364 392 422 469 536 637 728 844 871 938 1274 1477 1688 1742 1876 2548 2743 2954 3283 3484 3752 5096 5486 5908 6097 6566 6968 10339 10972 11816 12194 13132 14137 19201 20678 21944 24388 26264 28274 38402 41356 42679 48776 56548 76804 82712 85358 98959 113096 134407 153608 170716 183781 197918 268814 341432 367562 395836 537628 692713 735124 791672 1075256 1286467 1385426 1470248 2572934 2770852 5145868 5541704 9005269 10291736 18010538 36021076 72042152
• Sum of all divisors σ(n): 172559520
• Sum of proper divisors (its aliquot sum) s(n): 100517368
• 72042152 is an abundant number, because the sum of its proper divisors (100517368) is greater than itself. Its abundance is 28475216

Bases of 72042152

• Binary: 100010010110100011010101000₂
• Hexadecimal: 0x44B46A8
• Base-36: 16W42W

Squares and roots of 72042152

• 72042152 squared (72042152²) is 5190071664791104
• 72042152 cubed (72042152³) is 373903931765773762615808
• The square root of 72042152 is 8487.7648412291
• The cube root of 72042152 is 416.0979336737

Scales and comparisons

• 72,042,152 seconds is equal to 2 years, 15 weeks, 19 hours, 42 minutes, 32 seconds.
• To count from 1 to 72,042,152 would take you about three years!

  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 72042152 cubic inches would be around 34.7 feet tall.

Recreational maths with 72042152

• 72042152 backwards is 25124027
• The number of decimal digits it has is: 8
• The sum of 72042152's digits is 23
• More coming soon!