21255830376

Names of 21255830376

• Cardinal: 21255830376 can be written as Twenty-one billion, two hundred fifty-five million, eight hundred thirty thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 2.1255830376 × 10¹⁰

Factors of 21255830376

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2123

Divisors of 21255830376

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 33 44 66 79 88 132 158 237 264 316 474 632 869 919 948 1109 1738 1838 1896 2218 2607 2757 3327 3476 3676 4436 5214 5514 6654 6952 7352 8872 10109 10428 11028 12199 13308 20218 20856 22056 24398 26616 30327 36597 40436 48796 60654 72601 73194 80872 87611 97592 121308 145202 146388 175222 217803 242616 262833 290404 292776 350444 435606 525666 580808 700888 798611 871212 963721 1019171 1051332 1597222 1742424 1927442 2038342 2102664 2395833 2891163 3057513 3194444 3854884 4076684 4791666 5782326 6115026 6388888 7709768 8153368 9583332 11210881 11564652 12230052 19166664 22421762 23129304 24460104 33632643 44843524 67265286 80514509 89687048 134530572 161029018 241543527 269061144 322058036 483087054 644116072 885659599 966174108 1771319198 1932348216 2656978797 3542638396 5313957594 7085276792 10627915188 21255830376
• Sum of all divisors σ(n): 58821120000
• Sum of proper divisors (its aliquot sum) s(n): 37565289624
• 21255830376 is an abundant number, because the sum of its proper divisors (37565289624) is greater than itself. Its abundance is 16309459248

Bases of 21255830376

• Binary: 10011110010111100100011101101101000₂
• Hexadecimal: 0x4F2F23B68
• Base-36: 9RJ67OO

Squares and roots of 21255830376

• 21255830376 squared (21255830376²) is 451810324973284301376
• 21255830376 cubed (21255830376³) is 9603603629757567841671919397376
• The square root of 21255830376 is 145793.7940243001
• The cube root of 21255830376 is 2770.0824251387

Scales and comparisons

• 21,255,830,376 seconds is equal to 675 years, 45 weeks, 1 day, 13 hours, 19 minutes, 36 seconds.
• To count from 1 to 21,255,830,376 would take you about one thousand, three hundred fifty-one 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 21255830376 cubic inches would be around 230.8 feet tall.

Recreational maths with 21255830376

• 21255830376 backwards is 67303855212
• The number of decimal digits it has is: 11
• The sum of 21255830376's digits is 42
• More coming soon!