18368977664

Names of 18368977664

• Cardinal: 18368977664 can be written as Eighteen billion, three hundred sixty-eight million, nine hundred seventy-seven thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.8368977664 × 10¹⁰

Factors of 18368977664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3387

Divisors of 18368977664

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 32 47 64 94 128 188 256 376 547 752 1094 1504 2188 2791 3008 4376 5582 6016 8752 11164 12032 17504 22328 25709 35008 44656 51418 70016 89312 102836 131177 140032 178624 205672 262354 357248 411344 524708 714496 822688 1049416 1526677 1645376 2098832 3053354 3290752 4197664 6106708 6581504 8395328 12213416 16790656 24426832 33581312 48853664 71753819 97707328 143507638 195414656 287015276 390829312 574030552 1148061104 2296122208 4592244416 9184488832 18368977664
• Sum of all divisors σ(n): 37528232448
• Sum of proper divisors (its aliquot sum) s(n): 19159254784
• 18368977664 is an abundant number, because the sum of its proper divisors (19159254784) is greater than itself. Its abundance is 790277120

Bases of 18368977664

• Binary: 10001000110111000000101101100000000₂
• Hexadecimal: 0x446E05B00
• Base-36: 8FSEXVK

Squares and roots of 18368977664

• 18368977664 squared (18368977664²) is 337419340420530896896
• 18368977664 cubed (18368977664³) is 6198048327586344412104510930944
• The square root of 18368977664 is 135532.2015758617
• The cube root of 18368977664 is 2638.5277251613

Scales and comparisons

• 18,368,977,664 seconds is equal to 584 years, 3 weeks, 6 days, 21 hours, 47 minutes, 44 seconds.
• To count from 1 to 18,368,977,664 would take you about one thousand, one hundred sixty-eight 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 18368977664 cubic inches would be around 219.9 feet tall.

Recreational maths with 18368977664

• 18368977664 backwards is 46677986381
• The number of decimal digits it has is: 11
• The sum of 18368977664's digits is 65
• More coming soon!