12909894800

Names of 12909894800

• Cardinal: 12909894800 can be written as Twelve billion, nine hundred nine million, eight hundred ninety-four thousand, eight hundred.

Scientific notation

• Scientific notation: 1.29098948 × 10¹⁰

Factors of 12909894800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2934085

Divisors of 12909894800

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 550 880 1100 2200 4400 2934067 5868134 11736268 14670335 23472536 29340670 32274737 46945072 58681340 64549474 73351675 117362680 129098948 146703350 161373685 234725360 258197896 293406700 322747370 516395792 586813400 645494740 806868425 1173626800 1290989480 1613736850 2581978960 3227473700 6454947400 12909894800
• Sum of all divisors σ(n): 33835672176
• Sum of proper divisors (its aliquot sum) s(n): 20925777376
• 12909894800 is an abundant number, because the sum of its proper divisors (20925777376) is greater than itself. Its abundance is 8015882576

Bases of 12909894800

• Binary: 1100000001011111010101110010010000₂
• Hexadecimal: 0x3017D5C90
• Base-36: 5XI7UKW

Squares and roots of 12909894800

• 12909894800 squared (12909894800²) is 166665383747067040000
• 12909894800 cubed (12909894800³) is 2151632570976265294947392000000
• The square root of 12909894800 is 113621.7179944045
• The cube root of 12909894800 is 2345.8895884285

Scales and comparisons

• 12,909,894,800 seconds is equal to 410 years, 25 weeks, 5 days, 1 hour, 53 minutes, 20 seconds.
• To count from 1 to 12,909,894,800 would take you about eight hundred twenty 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 12909894800 cubic inches would be around 195.5 feet tall.

Recreational maths with 12909894800

• 12909894800 backwards is 00849890921
• 12909894800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12909894800's digits is 50
• More coming soon!