428916465

Names of 428916465

• Cardinal: 428916465 can be written as Four hundred twenty-eight million, nine hundred sixteen thousand, four hundred sixty-five.

Scientific notation

• Scientific notation: 4.28916465 × 10⁸

Factors of 428916465

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 435

Divisors of 428916465

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 9 15 27 31 45 81 93 127 135 155 269 279 381 405 465 635 807 837 1143 1345 1395 1905 2421 2511 3429 3937 4035 4185 5715 7263 8339 10287 11811 12105 12555 17145 19685 21789 25017 34163 35433 36315 41695 51435 59055 75051 102489 106299 108945 125085 170815 177165 225153 307467 318897 375255 512445 531495 675459 922401 1059053 1125765 1537335 1594485 2767203 3177159 3377295 4612005 5295265 9531477 13836015 15885795 28594431 47657385 85783293 142972155 428916465
• Sum of all divisors σ(n): 802897920
• Sum of proper divisors (its aliquot sum) s(n): 373981455
• 428916465 is a deficient number, because the sum of its proper divisors (373981455) is less than itself. Its deficiency is 54935010

Bases of 428916465

• Binary: 11001100100001011111011110001₂
• Hexadecimal: 0x1990BEF1
• Base-36: 73D629

Squares and roots of 428916465

• 428916465 squared (428916465²) is 183969333948096225
• 428916465 cubed (428916465³) is 78907476385421926306844625
• The square root of 428916465 is 20710.2985251299
• The cube root of 428916465 is 754.1497174475

Scales and comparisons

• 428,916,465 seconds is equal to 13 years, 33 weeks, 1 day, 7 hours, 27 minutes, 45 seconds.
• To count from 1 to 428,916,465 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 428916465 cubic inches would be around 62.8 feet tall.

Recreational maths with 428916465

• 428916465 backwards is 564619824
• 428916465 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 428916465's digits is 45
• More coming soon!