18404418816

Names of 18404418816

• Cardinal: 18404418816 can be written as Eighteen billion, four hundred four million, four hundred eighteen thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8404418816 × 10¹⁰

Factors of 18404418816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 163033

Divisors of 18404418816

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 128 144 147 168 192 196 224 252 256 288 294 336 384 392 441 448 504 576 588 672 768 784 882 896 1008 1152 1176 1344 1568 1764 1792 2016 2304 2352 2688 3136 3528 4032 4704 5376 6272 7056 8064 9408 12544 14112 16128 18816 28224 37632 56448 112896 163021 326042 489063 652084 978126 1141147 1304168 1467189 1956252 2282294 2608336 2934378 3423441 3912504 4564588 5216672 5868756 6846882 7825008 7988029 9129176 10270323 10433344 11737512 13693764 15650016 15976058 18258352 20540646 20866688 23475024 23964087 27387528 31300032 31952116 36516704 41081292 41733376 46950048 47928174 54775056 62600064 63904232 71892261 73033408 82162584 93900096 95856348 109550112 125200128 127808464 143784522 146066816 164325168 187800192 191712696 219100224 255616928 287569044 292133632 328650336 375600384 383425392 438200448 511233856 575138088 657300672 766850784 876400896 1022467712 1150276176 1314601344 1533701568 2044935424 2300552352 2629202688 3067403136 4601104704 6134806272 9202209408 18404418816
• Sum of all divisors σ(n): 61728443322
• Sum of proper divisors (its aliquot sum) s(n): 43324024506
• 18404418816 is an abundant number, because the sum of its proper divisors (43324024506) is greater than itself. Its abundance is 24919605690

Bases of 18404418816

• Binary: 10001001000111111010010010100000000₂
• Hexadecimal: 0x448FD2500
• Base-36: 8GDIKG0

Squares and roots of 18404418816

• 18404418816 squared (18404418816²) is 338722631954734841856
• 18404418816 cubed (18404418816³) is 6233993180952764783745350762496
• The square root of 18404418816 is 135662.8866565945
• The cube root of 18404418816 is 2640.2235623349

Scales and comparisons

• 18,404,418,816 seconds is equal to 585 years, 10 weeks, 4 days, 2 hours, 33 minutes, 36 seconds.
• To count from 1 to 18,404,418,816 would take you about one thousand, one hundred seventy 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 18404418816 cubic inches would be around 220 feet tall.

Recreational maths with 18404418816

• 18404418816 backwards is 61881440481
• The number of decimal digits it has is: 11
• The sum of 18404418816's digits is 45
• More coming soon!