18368531456

Names of 18368531456

• Cardinal: 18368531456 can be written as Eighteen billion, three hundred sixty-eight million, five hundred thirty-one thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.8368531456 × 10¹⁰

Factors of 18368531456

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1290

Divisors of 18368531456

• Number of divisors d(n): 66
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1024 1277 1408 2554 2816 5108 5632 10216 11264 14047 20432 28094 40864 56188 81728 112376 163456 224752 326912 449504 653824 899008 1307648 1630729 1798016 3261458 3596032 6522916 7192064 13045832 14384128 17938019 26091664 35876038 52183328 71752076 104366656 143504152 208733312 287008304 417466624 574016608 834933248 1148033216 1669866496 2296066432 4592132864 9184265728 18368531456
• Sum of all divisors σ(n): 40088619948
• Sum of proper divisors (its aliquot sum) s(n): 21720088492
• 18368531456 is an abundant number, because the sum of its proper divisors (21720088492) is greater than itself. Its abundance is 3351557036

Bases of 18368531456

• Binary: 10001000110110110011000110000000000₂
• Hexadecimal: 0x446D98C00
• Base-36: 8FS5DKW

Squares and roots of 18368531456

• 18368531456 squared (18368531456²) is 337402947850061479936
• 18368531456 cubed (18368531456³) is 6197596660930981865738328866816
• The square root of 18368531456 is 135530.5554330831
• The cube root of 18368531456 is 2638.5063604861

Scales and comparisons

• 18,368,531,456 seconds is equal to 584 years, 3 weeks, 1 day, 17 hours, 50 minutes, 56 seconds.
• To count from 1 to 18,368,531,456 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 18368531456 cubic inches would be around 219.9 feet tall.

Recreational maths with 18368531456

• 18368531456 backwards is 65413586381
• The number of decimal digits it has is: 11
• The sum of 18368531456's digits is 50
• More coming soon!