13168435840

Names of 13168435840

• Cardinal: 13168435840 can be written as Thirteen billion, one hundred sixty-eight million, four hundred thirty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.316843584 × 10¹⁰

Factors of 13168435840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 9718

Divisors of 13168435840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 313 320 448 560 626 640 896 1120 1252 1565 2191 2240 2504 3130 4382 4480 5008 6260 8764 9391 10016 10955 12520 17528 18782 20032 21910 25040 35056 37564 40064 43820 46955 50080 65737 70112 75128 87640 93910 100160 131474 140224 150256 175280 187820 200320 262948 280448 300512 328685 350560 375640 525896 601024 657370 701120 751280 1051792 1202048 1314740 1402240 1502560 2103584 2629480 2939383 3005120 4207168 5258960 5878766 6010240 8414336 10517920 11757532 14696915 20575681 21035840 23515064 29393830 41151362 42071680 47030128 58787660 82302724 94060256 102878405 117575320 164605448 188120512 205756810 235150640 329210896 376241024 411513620 470301280 658421792 823027240 940602560 1316843584 1646054480 1881205120 2633687168 3292108960 6584217920 13168435840
• Sum of all divisors σ(n): 36096837120
• Sum of proper divisors (its aliquot sum) s(n): 22928401280
• 13168435840 is an abundant number, because the sum of its proper divisors (22928401280) is greater than itself. Its abundance is 9759965440

Bases of 13168435840

• Binary: 1100010000111001100110001010000000₂
• Hexadecimal: 0x310E66280
• Base-36: 61S5A4G

Squares and roots of 13168435840

• 13168435840 squared (13168435840²) is 173407702472196505600
• 13168435840 cubed (13168435840³) is 2283508204166929067865800704000
• The square root of 13168435840 is 114753.8053399537
• The cube root of 13168435840 is 2361.4462455869

Scales and comparisons

• 13,168,435,840 seconds is equal to 418 years, 37 weeks, 1 day, 10 hours, 50 minutes, 40 seconds.
• To count from 1 to 13,168,435,840 would take you about eight hundred thirty-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 13168435840 cubic inches would be around 196.8 feet tall.

Recreational maths with 13168435840

• 13168435840 backwards is 04853486131
• The number of decimal digits it has is: 11
• The sum of 13168435840's digits is 43
• More coming soon!