421298742

Names of 421298742

• Cardinal: 421298742 can be written as Four hundred twenty-one million, two hundred ninety-eight thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 4.21298742 × 10⁸

Factors of 421298742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1381

Divisors of 421298742

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 19 31 38 57 62 93 97 114 186 194 291 582 589 1178 1229 1767 1843 2458 3007 3534 3686 3687 5529 6014 7374 9021 11058 18042 23351 38099 46702 57133 70053 76198 114266 114297 119213 140106 171399 228594 238426 342798 357639 715278 723881 1447762 2171643 2265047 3695603 4343286 4530094 6795141 7391206 11086809 13590282 22173618 70216457 140432914 210649371 421298742
• Sum of all divisors σ(n): 925747200
• Sum of proper divisors (its aliquot sum) s(n): 504448458
• 421298742 is an abundant number, because the sum of its proper divisors (504448458) is greater than itself. Its abundance is 83149716

Bases of 421298742

• Binary: 11001000111001000001000110110₂
• Hexadecimal: 0x191C8236
• Base-36: 6YTW6U

Squares and roots of 421298742

• 421298742 squared (421298742²) is 177492630010782564
• 421298742 cubed (421298742³) is 74777421737814140648734488
• The square root of 421298742 is 20525.5631347841
• The cube root of 421298742 is 749.6583581759

Scales and comparisons

• 421,298,742 seconds is equal to 13 years, 20 weeks, 4 days, 3 hours, 25 minutes, 42 seconds.
• To count from 1 to 421,298,742 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 421298742 cubic inches would be around 62.5 feet tall.

Recreational maths with 421298742

• 421298742 backwards is 247892124
• The number of decimal digits it has is: 9
• The sum of 421298742's digits is 39
• More coming soon!