12798386720

Names of 12798386720

• Cardinal: 12798386720 can be written as Twelve billion, seven hundred ninety-eight million, three hundred eighty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.279838672 × 10¹⁰

Factors of 12798386720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 394082

Divisors of 12798386720

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 70 80 112 116 140 145 160 203 224 232 280 290 406 464 560 580 812 928 1015 1120 1160 1624 2030 2320 3248 4060 4640 6496 8120 16240 32480 394039 788078 1576156 1970195 2758273 3152312 3940390 5516546 6304624 7880780 11033092 11427131 12609248 13791365 15761560 22066184 22854262 27582730 31523120 44132368 45708524 55165460 57135655 63046240 79989917 88264736 91417048 110330920 114271310 159979834 182834096 220661840 228542620 319959668 365668192 399949585 441323680 457085240 639919336 799899170 914170480 1279838672 1599798340 1828340960 2559677344 3199596680 6399193360 12798386720
• Sum of all divisors σ(n): 35747308800
• Sum of proper divisors (its aliquot sum) s(n): 22948922080
• 12798386720 is an abundant number, because the sum of its proper divisors (22948922080) is greater than itself. Its abundance is 10150535360

Bases of 12798386720

• Binary: 1011111010110101111110001000100000₂
• Hexadecimal: 0x2FAD7E220
• Base-36: 5VNTUE8

Squares and roots of 12798386720

• 12798386720 squared (12798386720²) is 163798702634672358400
• 12798386720 cubed (12798386720³) is 2096359140552819723297640448000
• The square root of 12798386720 is 113129.9550075047
• The cube root of 12798386720 is 2339.1159102049

Scales and comparisons

• 12,798,386,720 seconds is equal to 406 years, 49 weeks, 2 days, 11 hours, 25 minutes, 20 seconds.
• To count from 1 to 12,798,386,720 would take you about eight hundred thirteen 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 12798386720 cubic inches would be around 194.9 feet tall.

Recreational maths with 12798386720

• 12798386720 backwards is 02768389721
• The number of decimal digits it has is: 11
• The sum of 12798386720's digits is 53
• More coming soon!