16438505772

Names of 16438505772

• Cardinal: 16438505772 can be written as Sixteen billion, four hundred thirty-eight million, five hundred five thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 1.6438505772 × 10¹⁰

Factors of 16438505772

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1761

Divisors of 16438505772

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 13 26 39 52 78 156 229 421 458 687 842 916 1093 1263 1374 1684 2186 2526 2748 2977 3279 4372 5052 5473 5954 6558 8931 10946 11908 13116 14209 16419 17862 21892 28418 32838 35724 42627 56836 65676 85254 96409 170508 192818 250297 289227 385636 460153 500594 578454 750891 920306 1001188 1156908 1253317 1380459 1501782 1840612 2506634 2760918 3003564 3253861 3759951 5013268 5521836 5981989 6507722 7519902 9761583 11963978 13015444 15039804 17945967 19523166 23927956 35891934 39046332 71783868 105375037 210750074 316125111 421500148 632250222 1264500444 1369875481 2739750962 4109626443 5479501924 8219252886 16438505772
• Sum of all divisors σ(n): 41623986880
• Sum of proper divisors (its aliquot sum) s(n): 25185481108
• 16438505772 is an abundant number, because the sum of its proper divisors (25185481108) is greater than itself. Its abundance is 8746975336

Bases of 16438505772

• Binary: 1111010011110011111011000100101100₂
• Hexadecimal: 0x3D3CFB12C
• Base-36: 7JV288C

Squares and roots of 16438505772

• 16438505772 squared (16438505772²) is 270224472016077315984
• 16438505772 cubed (16438505772³) is 4442086542971939435601251859648
• The square root of 16438505772 is 128212.7363876147
• The cube root of 16438505772 is 2542.6550539159

Scales and comparisons

• 16,438,505,772 seconds is equal to 522 years, 36 weeks, 11 hours, 36 minutes, 12 seconds.
• To count from 1 to 16,438,505,772 would take you about one thousand and forty-five 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 16438505772 cubic inches would be around 211.9 feet tall.

Recreational maths with 16438505772

• 16438505772 backwards is 27750583461
• The number of decimal digits it has is: 11
• The sum of 16438505772's digits is 48
• More coming soon!