13509121234640

Names of 13509121234640

• Cardinal: 13509121234640 can be written as Thirteen trillion, five hundred nine billion, one hundred twenty-one million, two hundred thirty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.350912123464 × 10¹³

Factors of 13509121234640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4563892353

Divisors of 13509121234640

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 37 40 74 80 148 185 296 370 592 740 1480 2960 4563892309 9127784618 18255569236 22819461545 36511138472 45638923090 73022276944 91277846180 168864015433 182555692360 337728030866 365111384720 675456061732 844320077165 1350912123464 1688640154330 2701824246928 3377280308660 6754560617320 13509121234640
• Sum of all divisors σ(n): 32257590847080
• Sum of proper divisors (its aliquot sum) s(n): 18748469612440
• 13509121234640 is an abundant number, because the sum of its proper divisors (18748469612440) is greater than itself. Its abundance is 5239348377800

Bases of 13509121234640

• Binary: 11000100100101010110010111110101011011010000₂
• Hexadecimal: 0xC49565F56D0
• Base-36: 4SE05ZKCW

Squares and roots of 13509121234640

• 13509121234640 squared (13509121234640²) is 182496356532201357935929600
• 13509121234640 cubed (13509121234640³) is 2465365405273593637436509839968121344000
• The square root of 13509121234640 is 3675475.6474012993
• The cube root of 13509121234640 is 23816.3771861067

Scales and comparisons

• 13,509,121,234,640 seconds is equal to 429,548 years, 13 weeks, 6 days, 20 hours, 17 minutes, 20 seconds.
• To count from 1 to 13,509,121,234,640 would take you about one million, seventy-three thousand, eight hundred seventy 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 13509121234640 cubic inches would be around 1984.7 feet tall.

Recreational maths with 13509121234640

• 13509121234640 backwards is 04643212190531
• The number of decimal digits it has is: 14
• The sum of 13509121234640's digits is 41
• More coming soon!