12345813522

Names of 12345813522

• Cardinal: 12345813522 can be written as Twelve billion, three hundred forty-five million, eight hundred thirteen thousand, five hundred twenty-two.

Scientific notation

• Scientific notation: 1.2345813522 × 10¹⁰

Factors of 12345813522

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 253

Divisors of 12345813522

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 241 294 441 482 723 882 1446 1687 2169 3374 4338 5061 10122 11809 15183 23618 30366 35427 58081 70854 106281 116162 174243 212562 348486 406567 522729 813134 1045458 1219701 2439402 2845969 3659103 5691938 7318206 8537907 13997521 17075814 25613721 27995042 41992563 51227442 83985126 97982647 125977689 195965294 251955378 293947941 587895882 685878529 881843823 1371757058 1763687646 2057635587 4115271174 6172906761 12345813522
• Sum of all divisors σ(n): 31246141212
• Sum of proper divisors (its aliquot sum) s(n): 18900327690
• 12345813522 is an abundant number, because the sum of its proper divisors (18900327690) is greater than itself. Its abundance is 6554514168

Bases of 12345813522

• Binary: 1011011111110111100010101000010010₂
• Hexadecimal: 0x2DFDE2A12
• Base-36: 5O6DMOI

Squares and roots of 12345813522

• 12345813522 squared (12345813522²) is 152419111519998044484
• 12345813522 cubed (12345813522³) is 1881737928014817831004124712648
• The square root of 12345813522 is 111111.7164029067
• The cube root of 12345813522 is 2311.2126415457

Scales and comparisons

• 12,345,813,522 seconds is equal to 392 years, 29 weeks, 8 hours, 38 minutes, 42 seconds.
• To count from 1 to 12,345,813,522 would take you about seven hundred eighty-five 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 12345813522 cubic inches would be around 192.6 feet tall.

Recreational maths with 12345813522

• 12345813522 backwards is 22531854321
• The number of decimal digits it has is: 11
• The sum of 12345813522's digits is 36
• More coming soon!