12380899720

Names of 12380899720

• Cardinal: 12380899720 can be written as Twelve billion, three hundred eighty million, eight hundred ninety-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.238089972 × 10¹⁰

Factors of 12380899720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 271450

Divisors of 12380899720

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 163 280 326 652 815 1141 1304 1630 2282 3260 4564 5705 6520 9128 11410 22820 45640 271273 542546 1085092 1356365 1898911 2170184 2712730 3797822 5425460 7595644 9494555 10850920 15191288 18989110 37978220 44217499 75956440 88434998 176869996 221087495 309522493 353739992 442174990 619044986 884349980 1238089972 1547612465 1768699960 2476179944 3095224930 6190449860 12380899720
• Sum of all divisors σ(n): 32032033920
• Sum of proper divisors (its aliquot sum) s(n): 19651134200
• 12380899720 is an abundant number, because the sum of its proper divisors (19651134200) is greater than itself. Its abundance is 7270234480

Bases of 12380899720

• Binary: 1011100001111101011000100110001000₂
• Hexadecimal: 0x2E1F58988
• Base-36: 5OR9ND4

Squares and roots of 12380899720

• 12380899720 squared (12380899720²) is 153286677876696078400
• 12380899720 cubed (12380899720³) is 1897826987203316671587658048000
• The square root of 12380899720 is 111269.4914161111
• The cube root of 12380899720 is 2313.4000217929

Scales and comparisons

• 12,380,899,720 seconds is equal to 393 years, 35 weeks, 10 hours, 48 minutes, 40 seconds.
• To count from 1 to 12,380,899,720 would take you about seven hundred eighty-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 12380899720 cubic inches would be around 192.8 feet tall.

Recreational maths with 12380899720

• 12380899720 backwards is 02799808321
• The number of decimal digits it has is: 11
• The sum of 12380899720's digits is 49
• More coming soon!