12139845200

Names of 12139845200

• Cardinal: 12139845200 can be written as Twelve billion, one hundred thirty-nine million, eight hundred forty-five thousand, two hundred.

Scientific notation

• Scientific notation: 1.21398452 × 10¹⁰

Factors of 12139845200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7658

Divisors of 12139845200

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 560 617 700 1234 1400 2468 2800 3085 4319 4936 6170 7027 8638 9872 12340 14054 15425 17276 21595 24680 28108 30850 34552 35135 43190 49189 49360 56216 61700 69104 70270 86380 98378 107975 112432 123400 140540 172760 175675 196756 215950 245945 246800 281080 345520 351350 393512 431900 491890 562160 702700 787024 863800 983780 1229725 1405400 1727600 1967560 2459450 2810800 3935120 4335659 4918900 8671318 9837800 17342636 19675600 21678295 30349613 34685272 43356590 60699226 69370544 86713180 108391475 121398452 151748065 173426360 216782950 242796904 303496130 346852720 433565900 485593808 606992260 758740325 867131800 1213984520 1517480650 1734263600 2427969040 3034961300 6069922600 12139845200
• Sum of all divisors σ(n): 33391321152
• Sum of proper divisors (its aliquot sum) s(n): 21251475952
• 12139845200 is an abundant number, because the sum of its proper divisors (21251475952) is greater than itself. Its abundance is 9111630752

Bases of 12139845200

• Binary: 1011010011100101110101011001010000₂
• Hexadecimal: 0x2D3975650
• Base-36: 5KRR0I8

Squares and roots of 12139845200

• 12139845200 squared (12139845200²) is 147375841479963040000
• 12139845200 cubed (12139845200³) is 1789119901786490207321408000000
• The square root of 12139845200 is 110180.9656882711
• The cube root of 12139845200 is 2298.2876479641

Scales and comparisons

• 12,139,845,200 seconds is equal to 386 years, 3 days, 11 hours, 13 minutes, 20 seconds.
• To count from 1 to 12,139,845,200 would take you about seven hundred seventy-two 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 12139845200 cubic inches would be around 191.5 feet tall.

Recreational maths with 12139845200

• 12139845200 backwards is 00254893121
• 12139845200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12139845200's digits is 35
• More coming soon!