21346738688

Names of 21346738688

• Cardinal: 21346738688 can be written as Twenty-one billion, three hundred forty-six million, seven hundred thirty-eight thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1346738688 × 10¹⁰

Factors of 21346738688

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 600

Divisors of 21346738688

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 587 704 968 1174 1408 1936 2348 2816 3872 4696 5632 6457 7744 9392 12914 15488 18784 25828 30976 37568 51656 61952 71027 75136 103312 142054 150272 206624 284108 300544 344569 413248 568216 689138 826496 1136432 1378276 1652992 2272864 2756552 3305984 3790259 4545728 5513104 7580518 9091456 11026208 15161036 18182912 22052416 30322072 36365824 41692849 44104832 60644144 83385698 88209664 121288288 166771396 176419328 242576576 333542792 485153152 667085584 970306304 1334171168 1940612608 2668342336 5336684672 10673369344 21346738688
• Sum of all divisors σ(n): 46961716263
• Sum of proper divisors (its aliquot sum) s(n): 25614977575
• 21346738688 is an abundant number, because the sum of its proper divisors (25614977575) is greater than itself. Its abundance is 4268238887

Bases of 21346738688

• Binary: 10011111000010111010110001000000000₂
• Hexadecimal: 0x4F85D6200
• Base-36: 9T1AOZK

Squares and roots of 21346738688

• 21346738688 squared (21346738688²) is 455683252613755961344
• 21346738688 cubed (21346738688³) is 9727351318043741501012597276672
• The square root of 21346738688 is 146105.2315558891
• The cube root of 21346738688 is 2774.0258978781

Scales and comparisons

• 21,346,738,688 seconds is equal to 678 years, 39 weeks, 3 days, 17 hours, 38 minutes, 8 seconds.
• To count from 1 to 21,346,738,688 would take you about one thousand, three hundred fifty-seven 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 21346738688 cubic inches would be around 231.2 feet tall.

Recreational maths with 21346738688

• 21346738688 backwards is 88683764312
• The number of decimal digits it has is: 11
• The sum of 21346738688's digits is 56
• More coming soon!