21231346459904

Names of 21231346459904

• Cardinal: 21231346459904 can be written as Twenty-one trillion, two hundred thirty-one billion, three hundred forty-six million, four hundred fifty-nine thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1231346459904 × 10¹³

Factors of 21231346459904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 45744639

Divisors of 21231346459904

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 37 49 56 64 74 98 112 128 148 196 224 256 259 296 392 448 518 592 784 896 1036 1184 1568 1792 1813 2072 2368 3136 3626 4144 4736 6272 7252 8288 9472 12544 14504 16576 29008 33152 58016 66304 116032 232064 464128 45744593 91489186 182978372 320212151 365956744 640424302 731913488 1280848604 1463826976 1692549941 2241485057 2561697208 2927653952 3385099882 4482970114 5123394416 5855307904 6770199764 8965940228 10246788832 11710615808 11847849587 13540399528 17931880456 20493577664 23695699174 27080799056 35863760912 40987155328 47391398348 54161598112 71727521824 81974310656 82934947109 94782796696 108323196224 143455043648 165869894218 189565593392 216646392448 286910087296 331739788436 379131186784 433292784896 573820174592 663479576872 758262373568 1326959153744 1516524747136 2653918307488 3033049494272 5307836614976 10615673229952 21231346459904
• Sum of all divisors σ(n): 50631305998644
• Sum of proper divisors (its aliquot sum) s(n): 29399959538740
• 21231346459904 is an abundant number, because the sum of its proper divisors (29399959538740) is greater than itself. Its abundance is 8168613078836

Bases of 21231346459904

• Binary: 100110100111101001110110111010010010100000000₂
• Hexadecimal: 0x134F4EDD2500
• Base-36: 7IXJNI6M8

Squares and roots of 21231346459904

• 21231346459904 squared (21231346459904²) is 450770072500478113079689216
• 21231346459904 cubed (21231346459904³) is 9570455583013695407481893435166125195264
• The square root of 21231346459904 is 4607748.5239435539
• The cube root of 21231346459904 is 27690.1842650875

Scales and comparisons

• 21,231,346,459,904 seconds is equal to 675,091 years, 7 weeks, 3 days, 14 hours, 51 minutes, 44 seconds.
• To count from 1 to 21,231,346,459,904 would take you about one million, six hundred eighty-seven thousand, seven hundred twenty-seven 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 21231346459904 cubic inches would be around 2307.5 feet tall.

Recreational maths with 21231346459904

• 21231346459904 backwards is 40995464313212
• The number of decimal digits it has is: 14
• The sum of 21231346459904's digits is 53
• More coming soon!