21238444842624

Names of 21238444842624

• Cardinal: 21238444842624 can be written as Twenty-one trillion, two hundred thirty-eight billion, four hundred forty-four million, eight hundred forty-two thousand, six hundred twenty-four.

Scientific notation

• Scientific notation: 2.1238444842624 × 10¹³

Factors of 21238444842624

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 612923

Divisors of 21238444842624

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 31721 63442 95163 126884 190326 253768 285489 380652 507536 570978 581197 761304 1015072 1141956 1162394 1522608 1743591 2030144 2283912 2324788 3045216 3487182 4060288 4567824 4649576 5230773 6090432 6974364 9135648 9299152 10461546 12180864 13948728 18271296 18598304 20923092 27897456 36542592 37196608 41846184 55794912 74393216 83692368 111589824 167384736 223179648 334769472 669538944 18436150037 36872300074 55308450111 73744600148 110616900222 147489200296 165925350333 221233800444 294978400592 331850700666 442467600888 589956801184 663701401332 884935201776 1179913602368 1327402802664 1769870403552 2359827204736 2654805605328 3539740807104 5309611210656 7079481614208 10619222421312 21238444842624
• Sum of all divisors σ(n): 61117869199140
• Sum of proper divisors (its aliquot sum) s(n): 39879424356516
• 21238444842624 is an abundant number, because the sum of its proper divisors (39879424356516) is greater than itself. Its abundance is 18640979513892

Bases of 21238444842624

• Binary: 100110101000011110101111101011101111010000000₂
• Hexadecimal: 0x1350F5F5DE80
• Base-36: 7J0T1P5S0

Squares and roots of 21238444842624

• 21238444842624 squared (21238444842624²) is 451071539333181984127205376
• 21238444842624 cubed (21238444842624³) is 9580058008205287670777676447877246746624
• The square root of 21238444842624 is 4608518.7254283779
• The cube root of 21238444842624 is 27693.2698540427

Scales and comparisons

• 21,238,444,842,624 seconds is equal to 675,316 years, 44 weeks, 1 day, 19 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,238,444,842,624 would take you about one million, six hundred eighty-eight thousand, two hundred ninety-two 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 21238444842624 cubic inches would be around 2307.8 feet tall.

Recreational maths with 21238444842624

• 21238444842624 backwards is 42624844483212
• The number of decimal digits it has is: 14
• The sum of 21238444842624's digits is 54
• More coming soon!