40707072

Names of 40707072

• Cardinal: 40707072 can be written as Forty million, seven hundred seven thousand and seventy-two.

Scientific notation

• Scientific notation: 4.0707072 × 10⁷

Factors of 40707072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 643

Divisors of 40707072

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 512 576 631 672 768 896 1008 1024 1152 1262 1344 1536 1792 1893 2016 2304 2524 2688 3072 3584 3786 4032 4417 4608 5048 5376 5679 7168 7572 8064 8834 9216 10096 10752 11358 13251 15144 16128 17668 20192 21504 22716 26502 30288 32256 35336 39753 40384 45432 53004 60576 64512 70672 79506 80768 90864 106008 121152 141344 159012 161536 181728 212016 242304 282688 318024 323072 363456 424032 484608 565376 636048 646144 726912 848064 969216 1130752 1272096 1453824 1696128 1938432 2261504 2544192 2907648 3392256 4523008 5088384 5815296 6784512 10176768 13569024 20353536 40707072
• Sum of all divisors σ(n): 134545216
• Sum of proper divisors (its aliquot sum) s(n): 93838144
• 40707072 is an abundant number, because the sum of its proper divisors (93838144) is greater than itself. Its abundance is 53131072

Bases of 40707072

• Binary: 10011011010010010000000000₂
• Hexadecimal: 0x26D2400
• Base-36: O8HS0

Squares and roots of 40707072

• 40707072 squared (40707072²) is 1657065710813184
• 40707072 cubed (40707072³) is 67454293198803459637248
• The square root of 40707072 is 6380.2094009523
• The cube root of 40707072 is 343.9985577729

Scales and comparisons

• 40,707,072 seconds is equal to 1 year, 15 weeks, 2 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 40,707,072 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 40707072 cubic inches would be around 28.7 feet tall.

Recreational maths with 40707072

• 40707072 backwards is 27070704
• The number of decimal digits it has is: 8
• The sum of 40707072's digits is 27
• More coming soon!