421132985

Names of 421132985

• Cardinal: 421132985 can be written as Four hundred twenty-one million, one hundred thirty-two thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 4.21132985 × 10⁸

Factors of 421132985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 538

Divisors of 421132985

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 13 31 35 65 73 91 155 217 365 403 409 455 511 949 1085 2015 2045 2263 2555 2821 2863 4745 5317 6643 11315 12679 14105 14315 15841 26585 29419 29857 33215 37219 63395 79205 88753 147095 149285 164827 186095 205933 208999 388141 443765 824135 925567 1029665 1044995 1153789 1940705 2716987 4627835 5768945 6478969 12032371 13584935 32394845 60161855 84226597 421132985
• Sum of all divisors σ(n): 652431360
• Sum of proper divisors (its aliquot sum) s(n): 231298375
• 421132985 is a deficient number, because the sum of its proper divisors (231298375) is less than itself. Its deficiency is 189834610

Bases of 421132985

• Binary: 11001000110011111101010111001₂
• Hexadecimal: 0x1919FAB9
• Base-36: 6YQCAH

Squares and roots of 421132985

• 421132985 squared (421132985²) is 177352991055010225
• 421132985 cubed (421132985³) is 74689194521674755259771625
• The square root of 421132985 is 20521.5249189723
• The cube root of 421132985 is 749.5600293589

Scales and comparisons

• 421,132,985 seconds is equal to 13 years, 20 weeks, 2 days, 5 hours, 23 minutes, 5 seconds.
• To count from 1 to 421,132,985 would take you about twenty 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 421132985 cubic inches would be around 62.5 feet tall.

Recreational maths with 421132985

• 421132985 backwards is 589231124
• 421132985 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 421132985's digits is 35
• More coming soon!