74972142

Names of 74972142

• Cardinal: 74972142 can be written as Seventy-four million, nine hundred seventy-two thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 7.4972142 × 10⁷

Factors of 74972142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3918

Divisors of 74972142

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 27 34 42 51 54 63 81 102 119 126 153 162 189 238 306 357 378 459 567 714 918 1071 1134 1377 2142 2754 3213 3889 6426 7778 9639 11667 19278 23334 27223 35001 54446 66113 70002 81669 105003 132226 163338 198339 210006 245007 315009 396678 462791 490014 595017 630018 735021 925582 1190034 1388373 1470042 1785051 2205063 2776746 3570102 4165119 4410126 5355153 8330238 10710306 12495357 24990714 37486071 74972142
• Sum of all divisors σ(n): 203338080
• Sum of proper divisors (its aliquot sum) s(n): 128365938
• 74972142 is an abundant number, because the sum of its proper divisors (128365938) is greater than itself. Its abundance is 53393796

Bases of 74972142

• Binary: 100011101111111101111101110₂
• Hexadecimal: 0x477FBEE
• Base-36: 18MWVI

Squares and roots of 74972142

• 74972142 squared (74972142²) is 5620822076068164
• 74972142 cubed (74972142³) is 421405070843717193087288
• The square root of 74972142 is 8658.6455060823
• The cube root of 74972142 is 421.6641120797

Scales and comparisons

• 74,972,142 seconds is equal to 2 years, 19 weeks, 6 days, 17 hours, 35 minutes, 42 seconds.
• To count from 1 to 74,972,142 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 74972142 cubic inches would be around 35.1 feet tall.

Recreational maths with 74972142

• 74972142 backwards is 24127947
• The number of decimal digits it has is: 8
• The sum of 74972142's digits is 36
• More coming soon!