1681329144

Names of 1681329144

• Cardinal: 1681329144 can be written as One billion, six hundred eighty-one million, three hundred twenty-nine thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.681329144 × 10⁹

Factors of 1681329144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 205488

Divisors of 1681329144

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 31 33 44 62 66 88 93 124 132 186 248 264 341 372 682 744 1023 1364 2046 2728 4092 8184 205441 410882 616323 821764 1232646 1643528 2259851 2465292 4519702 4930584 6368671 6779553 9039404 12737342 13559106 18078808 19106013 25474684 27118212 38212026 50949368 54236424 70055381 76424052 140110762 152848104 210166143 280221524 420332286 560443048 840664572 1681329144
• Sum of all divisors σ(n): 4733383680
• Sum of proper divisors (its aliquot sum) s(n): 3052054536
• 1681329144 is an abundant number, because the sum of its proper divisors (3052054536) is greater than itself. Its abundance is 1370725392

Bases of 1681329144

• Binary: 1100100001101110000101111111000₂
• Hexadecimal: 0x64370BF8
• Base-36: RT0PVC

Squares and roots of 1681329144

• 1681329144 squared (1681329144²) is 2826867690463772736
• 1681329144 cubed (1681329144³) is 4752895034208711977229417984
• The square root of 1681329144 is 41004.0137547535
• The cube root of 1681329144 is 1189.0978129989

Scales and comparisons

• 1,681,329,144 seconds is equal to 53 years, 23 weeks, 6 days, 19 hours, 52 minutes, 24 seconds.
• To count from 1 to 1,681,329,144 would take you about one hundred six 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 1681329144 cubic inches would be around 99.1 feet tall.

Recreational maths with 1681329144

• 1681329144 backwards is 4419231861
• The number of decimal digits it has is: 10
• The sum of 1681329144's digits is 39
• More coming soon!