21426046520

Names of 21426046520

• Cardinal: 21426046520 can be written as Twenty-one billion, four hundred twenty-six million, forty-six thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.142604652 × 10¹⁰

Factors of 21426046520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 52348

Divisors of 21426046520

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 23 40 46 92 115 184 230 449 460 898 920 1796 2245 3592 4490 8980 10327 17960 20654 41308 51635 51869 82616 103270 103738 206540 207476 259345 413080 414952 518690 1037380 1192987 2074760 2385974 4771948 5964935 9543896 11929870 23289181 23859740 46578362 47719480 93156724 116445905 186313448 232891810 465783620 535651163 931567240 1071302326 2142604652 2678255815 4285209304 5356511630 10713023260 21426046520
• Sum of all divisors σ(n): 50417640000
• Sum of proper divisors (its aliquot sum) s(n): 28991593480
• 21426046520 is an abundant number, because the sum of its proper divisors (28991593480) is greater than itself. Its abundance is 7565546960

Bases of 21426046520

• Binary: 10011111101000101111000011000111000₂
• Hexadecimal: 0x4FD178638
• Base-36: 9UCIJAW

Squares and roots of 21426046520

• 21426046520 squared (21426046520²) is 459075469477204110400
• 21426046520 cubed (21426046520³) is 9836172365209415348965615808000
• The square root of 21426046520 is 146376.3864836129
• The cube root of 21426046520 is 2777.4570244795

Scales and comparisons

• 21,426,046,520 seconds is equal to 681 years, 14 weeks, 4 days, 15 hours, 35 minutes, 20 seconds.
• To count from 1 to 21,426,046,520 would take you about one thousand, three hundred sixty-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 21426046520 cubic inches would be around 231.5 feet tall.

Recreational maths with 21426046520

• 21426046520 backwards is 02564062412
• The number of decimal digits it has is: 11
• The sum of 21426046520's digits is 32
• More coming soon!