21457967104

Names of 21457967104

• Cardinal: 21457967104 can be written as Twenty-one billion, four hundred fifty-seven million, nine hundred sixty-seven thousand, one hundred four.

Scientific notation

• Scientific notation: 2.1457967104 × 10¹⁰

Factors of 21457967104

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 213836

Divisors of 21457967104

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 512 784 896 1024 1568 1792 2048 3136 3584 6272 7168 12544 14336 25088 50176 100352 213827 427654 855308 1496789 1710616 2993578 3421232 5987156 6842464 10477523 11974312 13684928 20955046 23948624 27369856 41910092 47897248 54739712 83820184 95794496 109479424 167640368 191588992 218958848 335280736 383177984 437917696 670561472 766355968 1341122944 1532711936 2682245888 3065423872 5364491776 10728983552 21457967104
• Sum of all divisors σ(n): 49910662620
• Sum of proper divisors (its aliquot sum) s(n): 28452695516
• 21457967104 is an abundant number, because the sum of its proper divisors (28452695516) is greater than itself. Its abundance is 6994728412

Bases of 21457967104

• Binary: 10011111110111111101001100000000000₂
• Hexadecimal: 0x4FEFE9800
• Base-36: 9UVIPDS

Squares and roots of 21457967104

• 21457967104 squared (21457967104²) is 460444352236346146816
• 21457967104 cubed (21457967104³) is 9880199763510104451534882340864
• The square root of 21457967104 is 146485.3818781929
• The cube root of 21457967104 is 2778.8356278365

Scales and comparisons

• 21,457,967,104 seconds is equal to 682 years, 15 weeks, 3 days, 2 hours, 25 minutes, 4 seconds.
• To count from 1 to 21,457,967,104 would take you about one thousand, three hundred sixty-four 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 21457967104 cubic inches would be around 231.6 feet tall.

Recreational maths with 21457967104

• 21457967104 backwards is 40176975412
• The number of decimal digits it has is: 11
• The sum of 21457967104's digits is 46
• More coming soon!