18268089125

Names of 18268089125

• Cardinal: 18268089125 can be written as Eighteen billion, two hundred sixty-eight million, eighty-nine thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.8268089125 × 10¹⁰

Factors of 18268089125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 197

Divisors of 18268089125

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 11 13 19 25 55 65 95 125 143 149 209 247 275 325 361 475 715 745 1045 1235 1375 1625 1639 1805 1937 2375 2717 2831 3575 3725 3971 4693 5225 6175 6859 8195 9025 9685 13585 14155 17875 18625 19855 21307 23465 26125 30875 31141 34295 36803 40975 45125 48425 51623 53789 67925 70775 75449 89167 99275 106535 117325 155705 171475 184015 204875 242125 258115 268945 339625 353875 377245 404833 445835 496375 532675 586625 591679 699257 778525 857375 920075 980837 1021991 1290575 1344725 1886225 2024165 2229175 2663375 2958395 3496285 3892625 4600375 4904185 5109955 6452875 6723625 7691827 9431125 10120825 11145875 11241901 13285883 14791975 17481425 24520925 25549775 38459135 50604125 56209505 66429415 73959875 87407125 122604625 127748875 146144713 192295675 281047525 332147075 730723565 961478375 1405237625 1660735375 3653617825 18268089125
• Sum of all divisors σ(n): 28461888000
• Sum of proper divisors (its aliquot sum) s(n): 10193798875
• 18268089125 is a deficient number, because the sum of its proper divisors (10193798875) is less than itself. Its deficiency is 8074290250

Bases of 18268089125

• Binary: 10001000000110111001110101100100101₂
• Hexadecimal: 0x440DCEB25
• Base-36: 8E4CJS5

Squares and roots of 18268089125

• 18268089125 squared (18268089125²) is 333723080278943265625
• 18268089125 cubed (18268089125³) is 6096482973605265437256048828125
• The square root of 18268089125 is 135159.4951344521
• The cube root of 18268089125 is 2633.6882969221

Scales and comparisons

• 18,268,089,125 seconds is equal to 580 years, 45 weeks, 1 day, 5 hours, 12 minutes, 5 seconds.
• To count from 1 to 18,268,089,125 would take you about one thousand, one hundred sixty-one 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 18268089125 cubic inches would be around 219.5 feet tall.

Recreational maths with 18268089125

• 18268089125 backwards is 52198086281
• The number of decimal digits it has is: 11
• The sum of 18268089125's digits is 50
• More coming soon!