21993342937728

Names of 21993342937728

• Cardinal: 21993342937728 can be written as Twenty-one trillion, nine hundred ninety-three billion, three hundred forty-two million, nine hundred thirty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1993342937728 × 10¹³

Factors of 21993342937728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13333213

Divisors of 21993342937728

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 4297 8594 12891 17188 25782 34376 51564 68752 103128 137504 206256 275008 412512 550016 825024 1650048 13328911 26657822 39986733 53315644 79973466 106631288 159946932 213262576 319893864 426525152 639787728 853050304 1279575456 1706100608 2559150912 5118301824 57274330567 114548661134 171822991701 229097322268 343645983402 458194644536 687291966804 916389289072 1374583933608 1832778578144 2749167867216 3665557156288 5498335734432 7331114312576 10996671468864 21993342937728
• Sum of all divisors σ(n): 58433417051520
• Sum of proper divisors (its aliquot sum) s(n): 36440074113792
• 21993342937728 is an abundant number, because the sum of its proper divisors (36440074113792) is greater than itself. Its abundance is 14446731176064

Bases of 21993342937728

• Binary: 101000000000010111001011001001010101010000000₂
• Hexadecimal: 0x1400B964AA80
• Base-36: 7SNLOJ7UO

Squares and roots of 21993342937728

• 21993342937728 squared (21993342937728²) is 483707133576510093285801984
• 21993342937728 cubed (21993342937728³) is 10638336870173592602520203535099050852352
• The square root of 21993342937728 is 4689706.0609091483
• The cube root of 21993342937728 is 28017.5667562369

Scales and comparisons

• 21,993,342,937,728 seconds is equal to 699,320 years, 14 weeks, 2 days, 7 hours, 8 minutes, 48 seconds.
• To count from 1 to 21,993,342,937,728 would take you about one million, seven hundred forty-eight thousand, three hundred 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 21993342937728 cubic inches would be around 2334.8 feet tall.

Recreational maths with 21993342937728

• 21993342937728 backwards is 82773924339912
• The number of decimal digits it has is: 14
• The sum of 21993342937728's digits is 69
• More coming soon!