13347255978

Names of 13347255978

• Cardinal: 13347255978 can be written as Thirteen billion, three hundred forty-seven million, two hundred fifty-five thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.3347255978 × 10¹⁰

Factors of 13347255978

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 618

Divisors of 13347255978

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 163 189 326 378 443 489 567 886 978 1134 1141 1329 1467 2282 2658 2934 3101 3423 3987 4401 6202 6846 7974 8802 9303 10269 11961 13203 18606 20538 23922 26406 26569 27909 30807 35883 53138 55818 61614 71766 72209 79707 83727 92421 144418 159414 167454 184842 185983 216627 239121 251181 371966 433254 478242 502362 505463 557949 649881 717363 1010926 1115898 1299762 1434726 1516389 1673847 1949643 2152089 3032778 3347694 3899286 4304178 4549167 5021541 5848929 9098334 10043082 11697858 11770067 13647501 15064623 23540134 27295002 30129246 35310201 40942503 70620402 81885006 82390469 105930603 164780938 211861206 247171407 317791809 494342814 635583618 741514221 953375427 1483028442 1906750854 2224542663 4449085326 6673627989 13347255978
• Sum of all divisors σ(n): 34468888608
• Sum of proper divisors (its aliquot sum) s(n): 21121632630
• 13347255978 is an abundant number, because the sum of its proper divisors (21121632630) is greater than itself. Its abundance is 7774376652

Bases of 13347255978

• Binary: 1100011011100011101111011010101010₂
• Hexadecimal: 0x31B8EF6AA
• Base-36: 64QM0MI

Squares and roots of 13347255978

• 13347255978 squared (13347255978²) is 178149242142256736484
• 13347255978 cubed (13347255978³) is 2377803537159405752446839701352
• The square root of 13347255978 is 115530.3249281331
• The cube root of 13347255978 is 2372.0872719079

Scales and comparisons

• 13,347,255,978 seconds is equal to 424 years, 20 weeks, 6 days, 3 hours, 6 minutes, 18 seconds.
• To count from 1 to 13,347,255,978 would take you about eight hundred forty-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 13347255978 cubic inches would be around 197.7 feet tall.

Recreational maths with 13347255978

• 13347255978 backwards is 87955274331
• 13347255978 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13347255978's digits is 54
• More coming soon!