39400144

Names of 39400144

• Cardinal: 39400144 can be written as Thirty-nine million, four hundred thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 3.9400144 × 10⁷

Factors of 39400144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 222

Divisors of 39400144

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 61 73 79 112 122 146 158 244 292 316 427 488 511 553 584 632 854 976 1022 1106 1168 1264 1708 2044 2212 3416 4088 4424 4453 4819 5767 6832 8176 8848 8906 9638 11534 17812 19276 23068 31171 33733 35624 38552 40369 46136 62342 67466 71248 77104 80738 92272 124684 134932 161476 249368 269864 322952 351787 498736 539728 645904 703574 1407148 2462509 2814296 4925018 5628592 9850036 19700072 39400144
• Sum of all divisors σ(n): 91025920
• Sum of proper divisors (its aliquot sum) s(n): 51625776
• 39400144 is an abundant number, because the sum of its proper divisors (51625776) is greater than itself. Its abundance is 12225632

Bases of 39400144

• Binary: 10010110010011001011010000₂
• Hexadecimal: 0x25932D0
• Base-36: NGHCG

Squares and roots of 39400144

• 39400144 squared (39400144²) is 1552371347220736
• 39400144 cubed (39400144³) is 61163654621970998185984
• The square root of 39400144 is 6276.9534011333
• The cube root of 39400144 is 340.2770060891

Scales and comparisons

• 39,400,144 seconds is equal to 1 year, 13 weeks, 1 day, 29 minutes, 4 seconds.
• To count from 1 to 39,400,144 would take you about forty-five 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 39400144 cubic inches would be around 28.4 feet tall.

Recreational maths with 39400144

• 39400144 backwards is 44100493
• The number of decimal digits it has is: 8
• The sum of 39400144's digits is 25
• More coming soon!