21275024512

Names of 21275024512

• Cardinal: 21275024512 can be written as Twenty-one billion, two hundred seventy-five million, twenty-four thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1275024512 × 10¹⁰

Factors of 21275024512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 505257

Divisors of 21275024512

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 47 56 64 94 112 128 188 224 329 376 448 658 752 896 1316 1504 2632 3008 5264 6016 10528 21056 42112 505201 1010402 2020804 3536407 4041608 7072814 8083216 14145628 16166432 23744447 28291256 32332864 47488894 56582512 64665728 94977788 113165024 166211129 189955576 226330048 332422258 379911152 452660096 664844516 759822304 1329689032 1519644608 2659378064 3039289216 5318756128 10637512256 21275024512
• Sum of all divisors σ(n): 49469379840
• Sum of proper divisors (its aliquot sum) s(n): 28194355328
• 21275024512 is an abundant number, because the sum of its proper divisors (28194355328) is greater than itself. Its abundance is 6919330816

Bases of 21275024512

• Binary: 10011110100000101110001110010000000₂
• Hexadecimal: 0x4F4171C80
• Base-36: 9RULLZ4

Squares and roots of 21275024512

• 21275024512 squared (21275024512²) is 452626667986200838144
• 21275024512 cubed (21275024512³) is 9629643456191308509268544585728
• The square root of 21275024512 is 145859.6054841779
• The cube root of 21275024512 is 2770.9159743629

Scales and comparisons

• 21,275,024,512 seconds is equal to 676 years, 24 weeks, 6 days, 17 hours, 1 minute, 52 seconds.
• To count from 1 to 21,275,024,512 would take you about one thousand, three hundred fifty-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 21275024512 cubic inches would be around 230.9 feet tall.

Recreational maths with 21275024512

• 21275024512 backwards is 21542057212
• The number of decimal digits it has is: 11
• The sum of 21275024512's digits is 31
• More coming soon!