12971297730

Names of 12971297730

• Cardinal: 12971297730 can be written as Twelve billion, nine hundred seventy-one million, two hundred ninety-seven thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 1.297129773 × 10¹⁰

Factors of 12971297730

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6595

Divisors of 12971297730

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 73 146 219 365 438 730 1093 1095 2186 2190 3279 5419 5465 6558 10838 10930 16257 16395 27095 32514 32790 54190 79789 81285 159578 162570 239367 395587 398945 478734 791174 797890 1186761 1196835 1977935 2373522 2393670 3955870 5922967 5933805 11845934 11867610 17768901 29614835 35537802 59229670 88844505 177689010 432376591 864753182 1297129773 2161882955 2594259546 4323765910 6485648865 12971297730
• Sum of all divisors σ(n): 31592269440
• Sum of proper divisors (its aliquot sum) s(n): 18620971710
• 12971297730 is an abundant number, because the sum of its proper divisors (18620971710) is greater than itself. Its abundance is 5649673980

Bases of 12971297730

• Binary: 1100000101001001100100101111000010₂
• Hexadecimal: 0x305264BC2
• Base-36: 5YIRXDU

Squares and roots of 12971297730

• 12971297730 squared (12971297730²) is 168254564800303152900
• 12971297730 cubed (12971297730³) is 2182480054456310190523612917000
• The square root of 12971297730 is 113891.6051779059
• The cube root of 12971297730 is 2349.6029345739

Scales and comparisons

• 12,971,297,730 seconds is equal to 412 years, 23 weeks, 1 day, 18 hours, 15 minutes, 30 seconds.
• To count from 1 to 12,971,297,730 would take you about eight hundred twenty-four 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 12971297730 cubic inches would be around 195.8 feet tall.

Recreational maths with 12971297730

• 12971297730 backwards is 03779217921
• The number of decimal digits it has is: 11
• The sum of 12971297730's digits is 48
• More coming soon!