428970087

Names of 428970087

• Cardinal: 428970087 can be written as Four hundred twenty-eight million, nine hundred seventy thousand and eighty-seven.

Scientific notation

• Scientific notation: 4.28970087 × 10⁸

Factors of 428970087

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1063

Divisors of 428970087

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 13 19 21 27 39 57 63 81 91 117 133 171 189 243 247 273 351 399 513 567 741 819 1021 1053 1197 1539 1701 1729 2223 2457 3063 3159 3591 4617 5187 6669 7147 7371 9189 10773 13273 15561 19399 20007 21441 22113 27567 32319 39819 46683 58197 60021 64323 82701 92911 119457 135793 140049 174591 192969 248103 252187 278733 358371 407379 420147 523773 578907 756561 836199 1075113 1222137 1571319 1736721 1765309 2269683 2508597 3225339 3666411 4713957 5295927 6809049 7525791 10999233 15887781 20427147 22577373 32997699 47663343 61281441 142990029 428970087
• Sum of all divisors σ(n): 833297920
• Sum of proper divisors (its aliquot sum) s(n): 404327833
• 428970087 is a deficient number, because the sum of its proper divisors (404327833) is less than itself. Its deficiency is 24642254

Bases of 428970087

• Binary: 11001100100011001000001100111₂
• Hexadecimal: 0x19919067
• Base-36: 73EBFR

Squares and roots of 428970087

• 428970087 squared (428970087²) is 184015335540787569
• 428970087 cubed (428970087³) is 78937074496265835522448503
• The square root of 428970087 is 20711.5930579953
• The cube root of 428970087 is 754.1811434045

Scales and comparisons

• 428,970,087 seconds is equal to 13 years, 33 weeks, 1 day, 22 hours, 21 minutes, 27 seconds.
• To count from 1 to 428,970,087 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 428970087 cubic inches would be around 62.8 feet tall.

Recreational maths with 428970087

• 428970087 backwards is 780079824
• The number of decimal digits it has is: 9
• The sum of 428970087's digits is 45
• More coming soon!