40655970

Names of 40655970

• Cardinal: 40655970 can be written as Forty million, six hundred fifty-five thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 4.065597 × 10⁷

Factors of 40655970

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 497

Divisors of 40655970

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 29 30 37 45 58 74 87 90 111 145 174 185 222 261 290 333 370 421 435 522 555 666 842 870 1073 1110 1263 1305 1665 2105 2146 2526 2610 3219 3330 3789 4210 5365 6315 6438 7578 9657 10730 12209 12630 15577 16095 18945 19314 24418 31154 32190 36627 37890 46731 48285 61045 73254 77885 93462 96570 109881 122090 140193 155770 183135 219762 233655 280386 366270 451733 467310 549405 700965 903466 1098810 1355199 1401930 2258665 2710398 4065597 4517330 6775995 8131194 13551990 20327985 40655970
• Sum of all divisors σ(n): 112572720
• Sum of proper divisors (its aliquot sum) s(n): 71916750
• 40655970 is an abundant number, because the sum of its proper divisors (71916750) is greater than itself. Its abundance is 31260780

Bases of 40655970

• Binary: 10011011000101110001100010₂
• Hexadecimal: 0x26C5C62
• Base-36: O7ECI

Squares and roots of 40655970

• 40655970 squared (40655970²) is 1652907896640900
• 40655970 cubed (40655970³) is 67200573858595531173000
• The square root of 40655970 is 6376.2034158267
• The cube root of 40655970 is 343.8545502369

Scales and comparisons

• 40,655,970 seconds is equal to 1 year, 15 weeks, 1 day, 13 hours, 19 minutes, 30 seconds.
• To count from 1 to 40,655,970 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 40655970 cubic inches would be around 28.7 feet tall.

Recreational maths with 40655970

• 40655970 backwards is 07955604
• The number of decimal digits it has is: 8
• The sum of 40655970's digits is 36
• More coming soon!