18147973028864

Names of 18147973028864

• Cardinal: 18147973028864 can be written as Eighteen trillion, one hundred forty-seven billion, nine hundred seventy-three million, twenty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8147973028864 × 10¹³

Factors of 18147973028864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 391995

Divisors of 18147973028864

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1792 3584 6569 7168 13138 26276 45983 52552 91966 105104 183932 210208 367864 385417 420416 735728 770834 840832 1471456 1541668 1681664 2697919 2942912 3083336 3363328 5395838 5885824 6166672 6726656 10791676 11771648 12333344 21583352 23543296 24666688 43166704 47086592 49333376 86333408 98666752 172666816 197333504 345333632 394667008 690667264 1381334528 2531804273 2762669056 5063608546 10127217092 17722629911 20254434184 35445259822 40508868368 70890519644 81017736736 141781039288 162035473472 283562078576 324070946944 567124157152 648141893888 1134248314304 1296283787776 2268496628608 2592567575552 4536993257216 9073986514432 18147973028864
• Sum of all divisors σ(n): 41467245953760
• Sum of proper divisors (its aliquot sum) s(n): 23319272924896
• 18147973028864 is an abundant number, because the sum of its proper divisors (23319272924896) is greater than itself. Its abundance is 5171299896032

Bases of 18147973028864

• Binary: 100001000000101100111011111000101110000000000₂
• Hexadecimal: 0x1081677C5C00
• Base-36: 6FL2AKOOW

Squares and roots of 18147973028864

• 18147973028864 squared (18147973028864²) is 329348925056375186177130496
• 18147973028864 cubed (18147973028864³) is 5977015409008447729439750832701302636544
• The square root of 18147973028864 is 4260043.7825055271
• The cube root of 18147973028864 is 26279.0326839121

Scales and comparisons

• 18,147,973,028,864 seconds is equal to 577,049 years, 21 weeks, 1 day, 3 hours, 7 minutes, 44 seconds.
• To count from 1 to 18,147,973,028,864 would take you about one million, four hundred forty-two thousand, six hundred twenty-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 18147973028864 cubic inches would be around 2189.9 feet tall.

Recreational maths with 18147973028864

• 18147973028864 backwards is 46882037974181
• The number of decimal digits it has is: 14
• The sum of 18147973028864's digits is 68
• More coming soon!