13387685790

Names of 13387685790

• Cardinal: 13387685790 can be written as Thirteen billion, three hundred eighty-seven million, six hundred eighty-five thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.338768579 × 10¹⁰

Factors of 13387685790

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 45601

Divisors of 13387685790

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 43 86 129 215 229 258 430 458 645 687 1145 1290 1374 2290 3435 6870 9847 19694 29541 45319 49235 59082 90638 98470 135957 147705 226595 271914 295410 453190 679785 1359570 1948717 3897434 5846151 9743585 10378051 11692302 19487170 20756102 29230755 31134153 51890255 58461510 62268306 103780510 155670765 311341530 446256193 892512386 1338768579 2231280965 2677537158 4462561930 6693842895 13387685790
• Sum of all divisors σ(n): 33021964800
• Sum of proper divisors (its aliquot sum) s(n): 19634279010
• 13387685790 is an abundant number, because the sum of its proper divisors (19634279010) is greater than itself. Its abundance is 6246593220

Bases of 13387685790

• Binary: 1100011101111101111101111110011110₂
• Hexadecimal: 0x31DF7DF9E
• Base-36: 65EOKGU

Squares and roots of 13387685790

• 13387685790 squared (13387685790²) is 179230130811767924100
• 13387685790 cubed (13387685790³) is 2399476675408546602251368539000
• The square root of 13387685790 is 115705.1675164079
• The cube root of 13387685790 is 2374.4799328113

Scales and comparisons

• 13,387,685,790 seconds is equal to 425 years, 35 weeks, 5 days, 1 hour, 36 minutes, 30 seconds.
• To count from 1 to 13,387,685,790 would take you about eight hundred fifty-one 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 13387685790 cubic inches would be around 197.9 feet tall.

Recreational maths with 13387685790

• 13387685790 backwards is 09758678331
• The number of decimal digits it has is: 11
• The sum of 13387685790's digits is 57
• More coming soon!