12913640157015

Names of 12913640157015

• Cardinal: 12913640157015 can be written as Twelve trillion, nine hundred thirteen billion, six hundred forty million, one hundred fifty-seven thousand and fifteen.

Scientific notation

• Scientific notation: 1.2913640157015 × 10¹³

Factors of 12913640157015

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1215177

Divisors of 12913640157015

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 13 15 39 45 65 117 169 195 507 585 845 1399 1521 2535 4197 6995 7605 12591 18187 20985 54561 62955 90935 163683 236431 272805 709293 818415 1182155 1213757 2127879 3546465 3641271 6068785 10639395 10923813 15778841 18206355 47336523 54619065 78894205 142009569 205124933 236682615 615374799 710047845 1025624665 1698046043 1846124397 3076873995 5094138129 8490230215 9230621985 15282414387 22074598559 25470690645 66223795677 76412071935 110372992795 198671387031 286969781267 331118978385 860909343801 993356935155 1434848906335 2582728031403 4304546719005 12913640157015
• Sum of all divisors σ(n): 24255254368800
• Sum of proper divisors (its aliquot sum) s(n): 11341614211785
• 12913640157015 is a deficient number, because the sum of its proper divisors (11341614211785) is less than itself. Its deficiency is 1572025945230

Bases of 12913640157015

• Binary: 10111011111010110000111011110010111101010111₂
• Hexadecimal: 0xBBEB0EF2F57
• Base-36: 4KSFZXG7R

Squares and roots of 12913640157015

• 12913640157015 squared (12913640157015²) is 166762102104870393853710225
• 12913640157015 cubed (12913640157015³) is 2153505778409689974881251400909310978375
• The square root of 12913640157015 is 3593555.3644009715
• The cube root of 12913640157015 is 23461.1642592105

Scales and comparisons

• 12,913,640,157,015 seconds is equal to 410,613 years, 42 weeks, 1 day, 17 hours, 50 minutes, 15 seconds.
• To count from 1 to 12,913,640,157,015 would take you about one million, twenty-six thousand, five hundred thirty-four 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 12913640157015 cubic inches would be around 1955.1 feet tall.

Recreational maths with 12913640157015

• 12913640157015 backwards is 51075104631921
• 12913640157015 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12913640157015's digits is 45
• More coming soon!