1390390512

Names of 1390390512

• Cardinal: 1390390512 can be written as One billion, three hundred ninety million, three hundred ninety thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.390390512 × 10⁹

Factors of 1390390512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 217824

Divisors of 1390390512

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 399 456 532 798 912 1064 1596 2128 3192 6384 217793 435586 653379 871172 1306758 1524551 1742344 2613516 3049102 3484688 4138067 4573653 5227032 6098204 8276134 9147306 10454064 12196408 12414201 16552268 18294612 24392816 24828402 28966469 33104536 36589224 49656804 57932938 66209072 73178448 86899407 99313608 115865876 173798814 198627216 231731752 347597628 463463504 695195256 1390390512
• Sum of all divisors σ(n): 4321032960
• Sum of proper divisors (its aliquot sum) s(n): 2930642448
• 1390390512 is an abundant number, because the sum of its proper divisors (2930642448) is greater than itself. Its abundance is 1540251936

Bases of 1390390512

• Binary: 1010010110111111010110011110000₂
• Hexadecimal: 0x52DFACF0
• Base-36: MZSW6O

Squares and roots of 1390390512

• 1390390512 squared (1390390512²) is 1933185775859622144
• 1390390512 cubed (1390390512³) is 2687883160688577272922697728
• The square root of 1390390512 is 37287.9405706457
• The cube root of 1390390512 is 1116.1235330423

Scales and comparisons

• 1,390,390,512 seconds is equal to 44 years, 10 weeks, 6 days, 11 hours, 35 minutes, 12 seconds.
• To count from 1 to 1,390,390,512 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 1390390512 cubic inches would be around 93 feet tall.

Recreational maths with 1390390512

• 1390390512 backwards is 2150930931
• The number of decimal digits it has is: 10
• The sum of 1390390512's digits is 33
• More coming soon!