664852428

Names of 664852428

• Cardinal: 664852428 can be written as Six hundred sixty-four million, eight hundred fifty-two thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 6.64852428 × 10⁸

Factors of 664852428

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 357

Divisors of 664852428

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 89 108 178 263 267 356 526 534 789 801 1052 1068 1578 1602 2367 2403 3156 3204 4734 4806 7101 9468 9612 14202 23407 28404 46814 69169 70221 93628 138338 140442 207507 210663 276676 280884 415014 421326 622521 631989 830028 842652 1245042 1263978 1867563 2490084 2527956 3735126 6156041 7470252 12312082 18468123 24624164 36936246 55404369 73872492 110808738 166213107 221617476 332426214 664852428
• Sum of all divisors σ(n): 1749711600
• Sum of proper divisors (its aliquot sum) s(n): 1084859172
• 664852428 is an abundant number, because the sum of its proper divisors (1084859172) is greater than itself. Its abundance is 420006744

Bases of 664852428

• Binary: 100111101000001101011111001100₂
• Hexadecimal: 0x27A0D7CC
• Base-36: AZU3F0

Squares and roots of 664852428

• 664852428 squared (664852428²) is 442028751017495184
• 664852428 cubed (664852428³) is 293883888359789143560706752
• The square root of 664852428 is 25784.7324593451
• The cube root of 664852428 is 872.7873030795

Scales and comparisons

• 664,852,428 seconds is equal to 21 years, 7 weeks, 2 days, 1 hour, 13 minutes, 48 seconds.
• To count from 1 to 664,852,428 would take you about thirty-one 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 664852428 cubic inches would be around 72.7 feet tall.

Recreational maths with 664852428

• 664852428 backwards is 824258466
• The number of decimal digits it has is: 9
• The sum of 664852428's digits is 45
• More coming soon!