212909382720

Names of 212909382720

• Cardinal: 212909382720 can be written as Two hundred twelve billion, nine hundred nine million, three hundred eighty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.1290938272 × 10¹¹

Factors of 212909382720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 73926879

Divisors of 212909382720

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 73926869 147853738 221780607 295707476 369634345 443561214 591414952 665341821 739268690 887122428 1108903035 1182829904 1330683642 1478537380 1774244856 2217806070 2365659808 2661367284 2957074760 3326709105 3548489712 4435612140 4731319616 5322734568 5914149520 6653418210 7096979424 8871224280 10645469136 11828299040 13306836420 14193958848 17742448560 21290938272 23656598080 26613672840 35484897120 42581876544 53227345680 70969794240 106454691360 212909382720
• Sum of all divisors σ(n): 732319574220
• Sum of proper divisors (its aliquot sum) s(n): 519410191500
• 212909382720 is an abundant number, because the sum of its proper divisors (519410191500) is greater than itself. Its abundance is 306500808780

Bases of 212909382720

• Binary: 11000110010010011000110101110001000000₂
• Hexadecimal: 0x3192635C40
• Base-36: 2PT4QZ40

Squares and roots of 212909382720

• 212909382720 squared (212909382720²) is 45330405250211434598400
• 212909382720 cubed (212909382720³) is 9651268600269963689830995099648000
• The square root of 212909382720 is 461421.0471142381
• The cube root of 212909382720 is 5971.2455907937

Scales and comparisons

• 212,909,382,720 seconds is equal to 6,769 years, 44 weeks, 4 days, 23 hours, 12 minutes.
• To count from 1 to 212,909,382,720 would take you about thirteen thousand, five hundred thirty-nine 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 212909382720 cubic inches would be around 497.6 feet tall.

Recreational maths with 212909382720

• 212909382720 backwards is 027283909212
• 212909382720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 212909382720's digits is 45
• More coming soon!