12221791488

Names of 12221791488

• Cardinal: 12221791488 can be written as Twelve billion, two hundred twenty-one million, seven hundred ninety-one thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.2221791488 × 10¹⁰

Factors of 12221791488

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1768204

Divisors of 12221791488

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 576 768 864 1152 1728 2304 3456 6912 1768199 3536398 5304597 7072796 10609194 14145592 15913791 21218388 28291184 31827582 42436776 47741373 56582368 63655164 84873552 95482746 113164736 127310328 169747104 190965492 226329472 254620656 339494208 381930984 452658944 509241312 678988416 763861968 1018482624 1357976832 1527723936 2036965248 3055447872 4073930496 6110895744 12221791488
• Sum of all divisors σ(n): 36142008000
• Sum of proper divisors (its aliquot sum) s(n): 23920216512
• 12221791488 is an abundant number, because the sum of its proper divisors (23920216512) is greater than itself. Its abundance is 11698425024

Bases of 12221791488

• Binary: 1011011000011110011011110100000000₂
• Hexadecimal: 0x2D879BD00
• Base-36: 5M4JEO0

Squares and roots of 12221791488

• 12221791488 squared (12221791488²) is 149372187176149254144
• 12221791488 cubed (12221791488³) is 1825595725773403710914687926272
• The square root of 12221791488 is 110552.2115925321
• The cube root of 12221791488 is 2303.4473500879

Scales and comparisons

• 12,221,791,488 seconds is equal to 388 years, 31 weeks, 6 days, 22 hours, 4 minutes, 48 seconds.
• To count from 1 to 12,221,791,488 would take you about seven hundred seventy-seven 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 12221791488 cubic inches would be around 192 feet tall.

Recreational maths with 12221791488

• 12221791488 backwards is 88419712221
• The number of decimal digits it has is: 11
• The sum of 12221791488's digits is 45
• More coming soon!