21433932440

Names of 21433932440

• Cardinal: 21433932440 can be written as Twenty-one billion, four hundred thirty-three million, nine hundred thirty-two thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.143393244 × 10¹⁰

Factors of 21433932440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 24488

Divisors of 21433932440

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 40 41 82 164 205 328 410 547 820 1094 1640 2188 2735 4376 5470 10940 21880 22427 23893 44854 47786 89708 95572 112135 119465 179416 191144 224270 238930 448540 477860 897080 955720 979613 1959226 3918452 4898065 7836904 9796130 13069471 19592260 26138942 39184520 52277884 65347355 104555768 130694710 261389420 522778840 535848311 1071696622 2143393244 2679241555 4286786488 5358483110 10716966220 21433932440
• Sum of all divisors σ(n): 49494987360
• Sum of proper divisors (its aliquot sum) s(n): 28061054920
• 21433932440 is an abundant number, because the sum of its proper divisors (28061054920) is greater than itself. Its abundance is 6627122480

Bases of 21433932440

• Binary: 10011111101100011111101101010011000₂
• Hexadecimal: 0x4FD8FDA98
• Base-36: 9UH7K48

Squares and roots of 21433932440

• 21433932440 squared (21433932440²) is 459413459842484353600
• 21433932440 cubed (21433932440³) is 9847037060290462676819470784000
• The square root of 21433932440 is 146403.3211371927
• The cube root of 21433932440 is 2777.7977331165

Scales and comparisons

• 21,433,932,440 seconds is equal to 681 years, 27 weeks, 4 days, 22 hours, 7 minutes, 20 seconds.
• To count from 1 to 21,433,932,440 would take you about one thousand, three hundred sixty-three 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 21433932440 cubic inches would be around 231.5 feet tall.

Recreational maths with 21433932440

• 21433932440 backwards is 04423933412
• The number of decimal digits it has is: 11
• The sum of 21433932440's digits is 35
• More coming soon!