12402209872

Names of 12402209872

• Cardinal: 12402209872 can be written as Twelve billion, four hundred two million, two hundred nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.2402209872 × 10¹⁰

Factors of 12402209872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 864

Divisors of 12402209872

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 13 16 19 26 38 52 76 104 152 208 247 304 331 361 494 499 662 722 988 998 1324 1444 1976 1996 2648 2888 3952 3992 4303 4693 5296 5776 6289 6487 7984 8606 9386 9481 12578 12974 17212 18772 18962 25156 25948 34424 37544 37924 50312 51896 68848 75088 75848 81757 100624 103792 119491 123253 151696 163514 165169 180139 238982 246506 327028 330338 360278 477964 493012 654056 660676 720556 955928 986024 1308112 1321352 1441112 1553383 1911856 1972048 2147197 2341807 2642704 2882224 3106766 3138211 4294394 4683614 6213532 6276422 8588788 9367228 12427064 12552844 17177576 18734456 24854128 25105688 34355152 37468912 40796743 50211376 59626009 81593486 119252018 163186972 238504036 326373944 477008072 652747888 775138117 954016144 1550276234 3100552468 6201104936 12402209872
• Sum of all divisors σ(n): 27448764000
• Sum of proper divisors (its aliquot sum) s(n): 15046554128
• 12402209872 is an abundant number, because the sum of its proper divisors (15046554128) is greater than itself. Its abundance is 2644344256

Bases of 12402209872

• Binary: 1011100011001110101011010001010000₂
• Hexadecimal: 0x2E33AB450
• Base-36: 5P3YEDS

Squares and roots of 12402209872

• 12402209872 squared (12402209872²) is 153814809709134256384
• 12402209872 cubed (12402209872³) is 1907643551434426323099023822848
• The square root of 12402209872 is 111365.2094327487
• The cube root of 12402209872 is 2314.7265448947

Scales and comparisons

• 12,402,209,872 seconds is equal to 394 years, 18 weeks, 2 days, 2 hours, 17 minutes, 52 seconds.
• To count from 1 to 12,402,209,872 would take you about seven hundred eighty-eight 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 12402209872 cubic inches would be around 192.9 feet tall.

Recreational maths with 12402209872

• 12402209872 backwards is 27890220421
• The number of decimal digits it has is: 11
• The sum of 12402209872's digits is 37
• More coming soon!