13908381182440

Names of 13908381182440

• Cardinal: 13908381182440 can be written as Thirteen trillion, nine hundred eight billion, three hundred eighty-one million, one hundred eighty-two thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.390838118244 × 10¹³

Factors of 13908381182440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15981

Divisors of 13908381182440

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1369 1480 2738 5476 6845 10952 13690 15937 27380 31874 54760 63748 79685 127496 159370 318740 589669 637480 1179338 2358676 2948345 4717352 5896690 11793380 21817753 23586760 43635506 87271012 109088765 174542024 218177530 253987969 436355060 507975938 872710120 1015951876 1269939845 2031903752 2539879690 5079759380 9397554853 10159518760 18795109706 37590219412 46987774265 75180438824 93975548530 187951097060 347709529561 375902194120 695419059122 1390838118244 1738547647805 2781676236488 3477095295610 6954190591220 13908381182440
• Sum of all divisors σ(n): 32164514743410
• Sum of proper divisors (its aliquot sum) s(n): 18256133560970
• 13908381182440 is an abundant number, because the sum of its proper divisors (18256133560970) is greater than itself. Its abundance is 4347752378530

Bases of 13908381182440

• Binary: 11001010011001001100000111101010100111101000₂
• Hexadecimal: 0xCA64C1EA9E8
• Base-36: 4XHF71VQG

Squares and roots of 13908381182440

• 13908381182440 squared (13908381182440²) is 193443067116051092564353600
• 13908381182440 cubed (13908381182440³) is 2690479914550362975503658214962270784000
• The square root of 13908381182440 is 3729394.2111876561
• The cube root of 13908381182440 is 24048.7326827267

Scales and comparisons

• 13,908,381,182,440 seconds is equal to 442,243 years, 26 weeks, 1 hour, 20 minutes, 40 seconds.
• To count from 1 to 13,908,381,182,440 would take you about one million, one hundred five thousand, six hundred 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 13908381182440 cubic inches would be around 2004.1 feet tall.

Recreational maths with 13908381182440

• 13908381182440 backwards is 04428118380931
• The number of decimal digits it has is: 14
• The sum of 13908381182440's digits is 52
• More coming soon!