21431230257724

Names of 21431230257724

• Cardinal: 21431230257724 can be written as Twenty-one trillion, four hundred thirty-one billion, two hundred thirty million, two hundred fifty-seven thousand, seven hundred twenty-four.

Scientific notation

• Scientific notation: 2.1431230257724 × 10¹³

Factors of 21431230257724

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 425

Divisors of 21431230257724

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 14 28 43 49 86 98 172 196 301 343 373 602 686 746 1204 1372 1492 2107 2401 2611 4214 4802 5222 8428 9604 10444 14749 16039 18277 29498 32078 36554 58996 64156 73108 103243 112273 127939 139129 206486 224546 255878 278258 412972 449092 511756 556516 785911 895573 973903 1571822 1791146 1947806 3143644 3582292 3895612 5501377 5982547 6817321 11002754 11965094 13634642 22005508 23930188 27269284 38509639 41877829 47721247 51895117 77019278 83755658 95442494 103790234 154038556 167511316 190884988 207580468 293144803 334048729 363265819 586289606 668097458 726531638 1172579212 1336194916 1453063276 2052013621 2231490031 2542860733 4104027242 4462980062 5085721466 8208054484 8925960124 10171442932 14364095347 15620430217 17800025131 28728190694 31240860434 35600050262 57456381388 62481720868 71200100524 109343011519 124600175917 218686023038 249200351834 437372046076 498400703668 765401080633 1530802161266 3061604322532 5357807564431 10715615128862 21431230257724
• Sum of all divisors σ(n): 44890682950960
• Sum of proper divisors (its aliquot sum) s(n): 23459452693236
• 21431230257724 is an abundant number, because the sum of its proper divisors (23459452693236) is greater than itself. Its abundance is 2028222435512

Bases of 21431230257724

• Binary: 100110111110111011000110111011101101000111100₂
• Hexadecimal: 0x137DD8DDDA3C
• Base-36: 7LHDD5O3G

Squares and roots of 21431230257724

• 21431230257724 squared (21431230257724²) is 459297630359584707461660176
• 21431230257724 cubed (21431230257724³) is 9843313273063265056887164559545387199424
• The square root of 21431230257724 is 4629387.6763265357
• The cube root of 21431230257724 is 27776.8099561353

Scales and comparisons

• 21,431,230,257,724 seconds is equal to 681,446 years, 43 weeks, 1 day, 12 hours, 2 minutes, 4 seconds.
• To count from 1 to 21,431,230,257,724 would take you about one million, seven hundred three thousand, six hundred seventeen 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 21431230257724 cubic inches would be around 2314.7 feet tall.

Recreational maths with 21431230257724

• 21431230257724 backwards is 42775203213412
• 21431230257724 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21431230257724's digits is 43
• More coming soon!