13402981386

Names of 13402981386

• Cardinal: 13402981386 can be written as Thirteen billion, four hundred two million, nine hundred eighty-one thousand, three hundred eighty-six.

Scientific notation

• Scientific notation: 1.3402981386 × 10¹⁰

Factors of 13402981386

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3477

Divisors of 13402981386

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 101 162 202 243 303 486 606 729 909 1458 1818 2187 2727 3371 4374 5454 6561 6742 8181 10113 13122 16362 19683 20226 24543 30339 39366 49086 60678 73629 91017 147258 182034 220887 273051 340471 441774 546102 662661 680942 819153 1021413 1325322 1638306 1987983 2042826 2457459 3064239 3975966 4914918 6128478 7372377 9192717 14744754 18385434 22117131 27578151 44234262 55156302 66351393 82734453 132702786 165468906 248203359 496406718 744610077 1489220154 2233830231 4467660462 6701490693 13402981386
• Sum of all divisors σ(n): 30463807968
• Sum of proper divisors (its aliquot sum) s(n): 17060826582
• 13402981386 is an abundant number, because the sum of its proper divisors (17060826582) is greater than itself. Its abundance is 3657845196

Bases of 13402981386

• Binary: 1100011110111000010100010000001010₂
• Hexadecimal: 0x31EE1440A
• Base-36: 65NSEMI

Squares and roots of 13402981386

• 13402981386 squared (13402981386²) is 179639910033462480996
• 13402981386 cubed (13402981386³) is 2407710370361212269918766740456
• The square root of 13402981386 is 115771.2459378407
• The cube root of 13402981386 is 2375.3838795039

Scales and comparisons

• 13,402,981,386 seconds is equal to 426 years, 9 weeks, 2 hours, 23 minutes, 6 seconds.
• To count from 1 to 13,402,981,386 would take you about eight hundred fifty-two 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 13402981386 cubic inches would be around 197.9 feet tall.

Recreational maths with 13402981386

• 13402981386 backwards is 68318920431
• The number of decimal digits it has is: 11
• The sum of 13402981386's digits is 45
• More coming soon!