21145303832800

Names of 21145303832800

• Cardinal: 21145303832800 can be written as Twenty-one trillion, one hundred forty-five billion, three hundred three million, eight hundred thirty-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.11453038328 × 10¹³

Factors of 21145303832800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3775947127

Divisors of 21145303832800

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 140 160 175 200 224 280 350 400 560 700 800 1120 1400 2800 5600 3775947113 7551894226 15103788452 18879735565 26431629791 30207576904 37759471130 52863259582 60415153808 75518942260 94398677825 105726519164 120830307616 132158148955 151037884520 188797355650 211453038328 264316297910 302075769040 377594711300 422906076656 528632595820 604151538080 660790744775 755189422600 845812153312 1057265191640 1321581489550 1510378845200 2114530383280 2643162979100 3020757690400 4229060766560 5286325958200 10572651916400 21145303832800
• Sum of all divisors σ(n): 58995397709136
• Sum of proper divisors (its aliquot sum) s(n): 37850093876336
• 21145303832800 is an abundant number, because the sum of its proper divisors (37850093876336) is greater than itself. Its abundance is 16704790043536

Bases of 21145303832800

• Binary: 100110011101101000110010100101101100011100000₂
• Hexadecimal: 0x133B4652D8E0
• Base-36: 7HU0NY2N4

Squares and roots of 21145303832800

• 21145303832800 squared (21145303832800²) is 447123874181426370355840000
• 21145303832800 cubed (21145303832800³) is 9454570170464899991656335851863552000000
• The square root of 21145303832800 is 4598402.3130648323
• The cube root of 21145303832800 is 27652.7276679747

Scales and comparisons

• 21,145,303,832,800 seconds is equal to 672,355 years, 13 weeks, 1 day, 21 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,145,303,832,800 would take you about one million, six hundred eighty thousand, eight hundred eighty-eight 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 21145303832800 cubic inches would be around 2304.4 feet tall.

Recreational maths with 21145303832800

• 21145303832800 backwards is 00823830354112
• 21145303832800 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21145303832800's digits is 40
• More coming soon!