420013815

Names of 420013815

• Cardinal: 420013815 can be written as Four hundred twenty million, thirteen thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 4.20013815 × 10⁸

Factors of 420013815

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 324

Divisors of 420013815

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 13 15 17 29 39 51 65 85 87 145 195 221 255 257 289 377 435 493 663 771 867 1105 1131 1285 1445 1479 1885 2465 3315 3341 3757 3855 4335 4369 5655 6409 7395 7453 8381 10023 11271 13107 16705 18785 19227 21845 22359 25143 32045 37265 41905 50115 56355 56797 65535 74273 96135 96889 108953 111795 125715 126701 170391 222819 283985 290667 326859 371365 380103 484445 544765 633505 851955 965549 1114095 1453335 1634295 1647113 1900515 2153917 2896647 4827745 4941339 6461751 8235565 10769585 14483235 24706695 28000921 32308755 84002763 140004605 420013815
• Sum of all divisors σ(n): 798396480
• Sum of proper divisors (its aliquot sum) s(n): 378382665
• 420013815 is a deficient number, because the sum of its proper divisors (378382665) is less than itself. Its deficiency is 41631150

Bases of 420013815

• Binary: 11001000010001110011011110111₂
• Hexadecimal: 0x1908E6F7
• Base-36: 6Y2CQF

Squares and roots of 420013815

• 420013815 squared (420013815²) is 176411604790854225
• 420013815 cubed (420013815³) is 74095311138478960151118375
• The square root of 420013815 is 20494.2385806353
• The cube root of 420013815 is 748.8954496455

Scales and comparisons

• 420,013,815 seconds is equal to 13 years, 18 weeks, 3 days, 6 hours, 30 minutes, 15 seconds.
• To count from 1 to 420,013,815 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 420013815 cubic inches would be around 62.4 feet tall.

Recreational maths with 420013815

• 420013815 backwards is 518310024
• The number of decimal digits it has is: 9
• The sum of 420013815's digits is 24
• More coming soon!