13138405427

Names of 13138405427

• Cardinal: 13138405427 can be written as Thirteen billion, one hundred thirty-eight million, four hundred five thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 1.3138405427 × 10¹⁰

Factors of 13138405427

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 419

Divisors of 13138405427

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 29 47 49 157 179 203 329 343 1099 1253 1363 1421 2303 4553 5191 7379 7693 8413 8771 9541 9947 16121 28103 31871 36337 51653 53851 58891 61397 66787 196721 213991 223097 243977 254359 361571 412237 467509 814987 1320841 1377047 1497937 1561679 1707839 1780513 2530997 2885659 5704909 9245887 9639329 10485559 11954873 38304389 39934363 64721209 73398913 83684111 268130723 279540541 453048463 1876915061 13138405427
• Sum of all divisors σ(n): 16381440000
• Sum of proper divisors (its aliquot sum) s(n): 3243034573
• 13138405427 is a deficient number, because the sum of its proper divisors (3243034573) is less than itself. Its deficiency is 9895370854

Bases of 13138405427

• Binary: 1100001111000111000010100000110011₂
• Hexadecimal: 0x30F1C2833
• Base-36: 61A9MIB

Squares and roots of 13138405427

• 13138405427 squared (13138405427²) is 172617697164223052329
• 13138405427 cubed (13138405427³) is 2267921289218670660957838589483
• The square root of 13138405427 is 114622.8835224451
• The cube root of 13138405427 is 2359.6497988333

Scales and comparisons

• 13,138,405,427 seconds is equal to 417 years, 39 weeks, 3 days, 21 hours, 3 minutes, 47 seconds.
• To count from 1 to 13,138,405,427 would take you about eight hundred thirty-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 13138405427 cubic inches would be around 196.6 feet tall.

Recreational maths with 13138405427

• 13138405427 backwards is 72450483131
• The number of decimal digits it has is: 11
• The sum of 13138405427's digits is 38
• More coming soon!