16491589812

Names of 16491589812

• Cardinal: 16491589812 can be written as Sixteen billion, four hundred ninety-one million, five hundred eighty-nine thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 1.6491589812 × 10¹⁰

Factors of 16491589812

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1665

Divisors of 16491589812

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 529 828 1058 1587 1637 2116 3174 3274 4761 4911 6348 6548 9522 9822 12167 14733 19044 19644 24334 29466 36501 37651 48668 58932 73002 75302 109503 112953 146004 150604 219006 225906 279841 338859 438012 451812 559682 677718 839523 865973 1119364 1355436 1679046 1731946 2518569 2597919 3358092 3463892 5037138 5195838 7793757 10074276 10391676 15587514 19917379 31175028 39834758 59752137 79669516 119504274 179256411 239008548 358512822 458099717 717025644 916199434 1374299151 1832398868 2748598302 4122897453 5497196604 8245794906 16491589812
• Sum of all divisors σ(n): 43608557538
• Sum of proper divisors (its aliquot sum) s(n): 27116967726
• 16491589812 is an abundant number, because the sum of its proper divisors (27116967726) is greater than itself. Its abundance is 10625377914

Bases of 16491589812

• Binary: 1111010110111110011011000010110100₂
• Hexadecimal: 0x3D6F9B0B4
• Base-36: 7KQO050

Squares and roots of 16491589812

• 16491589812 squared (16491589812²) is 271972534527262195344
• 16491589812 cubed (16491589812³) is 4485259479553615456987864235328
• The square root of 16491589812 is 128419.5850016655
• The cube root of 16491589812 is 2545.3890691171

Scales and comparisons

• 16,491,589,812 seconds is equal to 524 years, 19 weeks, 5 days, 21 hours, 10 minutes, 12 seconds.
• To count from 1 to 16,491,589,812 would take you about one thousand and forty-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 16491589812 cubic inches would be around 212.1 feet tall.

Recreational maths with 16491589812

• 16491589812 backwards is 21898519461
• The number of decimal digits it has is: 11
• The sum of 16491589812's digits is 54
• More coming soon!