6399144

Names of 6399144

• Cardinal: 6399144 can be written as Six million, three hundred ninety-nine thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 6.399144 × 10⁶

Factors of 6399144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 144

Divisors of 6399144

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 31 36 47 61 62 72 93 94 122 124 141 183 186 188 244 248 279 282 366 372 376 423 488 549 558 564 732 744 846 1098 1116 1128 1457 1464 1692 1891 2196 2232 2867 2914 3384 3782 4371 4392 5673 5734 5828 7564 8601 8742 11346 11468 11656 13113 15128 17019 17202 17484 22692 22936 25803 26226 34038 34404 34968 45384 51606 52452 68076 68808 88877 103212 104904 136152 177754 206424 266631 355508 533262 711016 799893 1066524 1599786 2133048 3199572 6399144
• Sum of all divisors σ(n): 18570240
• Sum of proper divisors (its aliquot sum) s(n): 12171096
• 6399144 is an abundant number, because the sum of its proper divisors (12171096) is greater than itself. Its abundance is 5771952

Bases of 6399144

• Binary: 11000011010010010101000₂
• Hexadecimal: 0x61A4A8
• Base-36: 3T5M0

Squares and roots of 6399144

• 6399144 squared (6399144²) is 40949043932736
• 6399144 cubed (6399144³) is 262038828787903977984
• The square root of 6399144 is 2529.6529406225
• The cube root of 6399144 is 185.6552754753

Scales and comparisons

• 6,399,144 seconds is equal to 10 weeks, 4 days, 1 hour, 32 minutes, 24 seconds.
• To count from 1 to 6,399,144 would take you about fifteen weeks!

  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 6399144 cubic inches would be around 15.5 feet tall.

Recreational maths with 6399144

• 6399144 backwards is 4419936
• 6399144 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 6399144's digits is 36
• More coming soon!