1385328400

Names of 1385328400

• Cardinal: 1385328400 can be written as One billion, three hundred eighty-five million, three hundred twenty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.3853284 × 10⁹

Factors of 1385328400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1868

Divisors of 1385328400

• Number of divisors d(n): 45
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 1861 3722 7444 9305 14888 18610 29776 37220 46525 74440 93050 148880 186100 372200 744400 3463321 6926642 13853284 17316605 27706568 34633210 55413136 69266420 86583025 138532840 173166050 277065680 346332100 692664200 1385328400
• Sum of all divisors σ(n): 3330040863
• Sum of proper divisors (its aliquot sum) s(n): 1944712463
• 1385328400 is an abundant number, because the sum of its proper divisors (1944712463) is greater than itself. Its abundance is 559384063

Bases of 1385328400

• Binary: 1010010100100100110111100010000₂
• Hexadecimal: 0x52926F10
• Base-36: MWSE8G

Squares and roots of 1385328400

• 1385328400 squared (1385328400²) is 1919134775846560000
• 1385328400 cubed (1385328400³) is 2658631908407873610304000000
• 1385328400 is a perfect square number. Its square root is 37220
• The cube root of 1385328400 is 1114.7673641761

Scales and comparisons

• 1,385,328,400 seconds is equal to 44 years, 2 weeks, 3 days, 21 hours, 26 minutes, 40 seconds.
• To count from 1 to 1,385,328,400 would take you about eighty-eight 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 1385328400 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385328400

• 1385328400 backwards is 0048235831
• The number of decimal digits it has is: 10
• The sum of 1385328400's digits is 34
• More coming soon!