18288943232

Names of 18288943232

• Cardinal: 18288943232 can be written as Eighteen billion, two hundred eighty-eight million, nine hundred forty-three thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 1.8288943232 × 10¹⁰

Factors of 18288943232

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 149137

Divisors of 18288943232

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 137 224 274 448 548 896 959 1096 1918 2192 3836 4384 7672 8768 15344 17536 30688 61376 122752 148991 297982 595964 1042937 1191928 2085874 2383856 4171748 4767712 8343496 9535424 16686992 19070848 20411767 33373984 40823534 66747968 81647068 133495936 142882369 163294136 285764738 326588272 571529476 653176544 1143058952 1306353088 2286117904 2612706176 4572235808 9144471616 18288943232
• Sum of all divisors σ(n): 41944227840
• Sum of proper divisors (its aliquot sum) s(n): 23655284608
• 18288943232 is an abundant number, because the sum of its proper divisors (23655284608) is greater than itself. Its abundance is 5366341376

Bases of 18288943232

• Binary: 10001000010000110110010000010000000₂
• Hexadecimal: 0x4421B2080
• Base-36: 8EGRIWW

Squares and roots of 18288943232

• 18288943232 squared (18288943232²) is 334485444543318605824
• 18288943232 cubed (18288943232³) is 6117385307183038146804520583168
• The square root of 18288943232 is 135236.6194194457
• The cube root of 18288943232 is 2634.6900862727

Scales and comparisons

• 18,288,943,232 seconds is equal to 581 years, 27 weeks, 4 days, 14 hours, 32 seconds.
• To count from 1 to 18,288,943,232 would take you about one thousand, one hundred sixty-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 18288943232 cubic inches would be around 219.6 feet tall.

Recreational maths with 18288943232

• 18288943232 backwards is 23234988281
• The number of decimal digits it has is: 11
• The sum of 18288943232's digits is 50
• More coming soon!