421872087

Names of 421872087

• Cardinal: 421872087 can be written as Four hundred twenty-one million, eight hundred seventy-two thousand and eighty-seven.

Scientific notation

• Scientific notation: 4.21872087 × 10⁸

Factors of 421872087

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 764

Divisors of 421872087

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 31 39 79 91 93 217 237 273 403 553 631 651 1027 1209 1659 1893 2449 2821 3081 4417 7189 7347 8203 8463 13251 17143 19561 21567 24609 31837 49849 51429 57421 58683 95511 136927 149547 172263 222859 254293 348943 410781 648037 668577 762879 1046829 1545319 1780051 1944111 4536259 4635957 5340153 10817233 13608777 20089147 32451699 60267441 140624029 421872087
• Sum of all divisors σ(n): 724828160
• Sum of proper divisors (its aliquot sum) s(n): 302956073
• 421872087 is a deficient number, because the sum of its proper divisors (302956073) is less than itself. Its deficiency is 118916014

Bases of 421872087

• Binary: 11001001001010100000111010111₂
• Hexadecimal: 0x192541D7
• Base-36: 6Z66L3

Squares and roots of 421872087

• 421872087 squared (421872087²) is 177976057789735569
• 421872087 cubed (421872087³) is 75083130935788351672162503
• The square root of 421872087 is 20539.5249945073
• The cube root of 421872087 is 749.9982737739

Scales and comparisons

• 421,872,087 seconds is equal to 13 years, 21 weeks, 3 days, 18 hours, 41 minutes, 27 seconds.
• To count from 1 to 421,872,087 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 421872087 cubic inches would be around 62.5 feet tall.

Recreational maths with 421872087

• 421872087 backwards is 780278124
• 421872087 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 421872087's digits is 39
• More coming soon!