12213528390

Names of 12213528390

• Cardinal: 12213528390 can be written as Twelve billion, two hundred thirteen million, five hundred twenty-eight thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.221352839 × 10¹⁰

Factors of 12213528390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 112251

Divisors of 12213528390

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 173 210 315 346 519 630 865 1038 1211 1557 1730 2422 2595 3114 3633 5190 6055 7266 7785 10899 12110 15570 18165 21798 36330 54495 108990 112061 224122 336183 560305 672366 784427 1008549 1120610 1568854 1680915 2017098 2353281 3361830 3922135 4706562 5042745 7059843 7844270 10085490 11766405 14119686 19386553 23532810 35299215 38773106 58159659 70598430 96932765 116319318 135705871 174478977 193865530 271411742 290798295 348957954 407117613 581596590 678529355 814235226 872394885 1221352839 1357058710 1744789770 2035588065 2442705678 4071176130 6106764195 12213528390
• Sum of all divisors σ(n): 36501731136
• Sum of proper divisors (its aliquot sum) s(n): 24288202746
• 12213528390 is an abundant number, because the sum of its proper divisors (24288202746) is greater than itself. Its abundance is 12074674356

Bases of 12213528390

• Binary: 1011010111111110111010011101000110₂
• Hexadecimal: 0x2D7FBA746
• Base-36: 5LZMATI

Squares and roots of 12213528390

• 12213528390 squared (12213528390²) is 149170275733335992100
• 12213528390 cubed (12213528390³) is 1821895397613227208922165719000
• The square root of 12213528390 is 110514.8333482885
• The cube root of 12213528390 is 2302.9281162713

Scales and comparisons

• 12,213,528,390 seconds is equal to 388 years, 18 weeks, 2 days, 6 hours, 46 minutes, 30 seconds.
• To count from 1 to 12,213,528,390 would take you about seven hundred seventy-six 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 12213528390 cubic inches would be around 191.9 feet tall.

Recreational maths with 12213528390

• 12213528390 backwards is 09382531221
• The number of decimal digits it has is: 11
• The sum of 12213528390's digits is 36
• More coming soon!