18018317550

Names of 18018317550

• Cardinal: 18018317550 can be written as Eighteen billion, eighteen million, three hundred seventeen thousand, five hundred fifty.

Scientific notation

• Scientific notation: 1.801831755 × 10¹⁰

Factors of 18018317550

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 803

Divisors of 18018317550

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 10 15 25 30 31 50 62 75 93 150 155 186 239 310 465 478 523 717 775 930 961 1046 1195 1434 1550 1569 1922 2325 2390 2615 2883 3138 3585 4650 4805 5230 5766 5975 7170 7409 7845 9610 11950 13075 14415 14818 15690 16213 17925 22227 24025 26150 28830 32426 35850 37045 39225 44454 48050 48639 72075 74090 78450 81065 97278 111135 124997 144150 162130 185225 222270 229679 243195 249994 370450 374991 405325 459358 486390 502603 555675 624985 689037 749982 810650 1005206 1111350 1148395 1215975 1249970 1378074 1507809 1874955 2296790 2431950 2513015 3015618 3124925 3445185 3749910 3874907 5026030 5741975 6249850 6890370 7539045 7749814 9374775 11483950 11624721 12565075 15078090 17225925 18749550 19374535 23249442 25130150 34451850 37695225 38749070 58123605 75390450 96872675 116247210 120122117 193745350 240244234 290618025 360366351 581236050 600610585 720732702 1201221170 1801831755 3003052925 3603663510 6006105850 9009158775 18018317550
• Sum of all divisors σ(n): 46455240960
• Sum of proper divisors (its aliquot sum) s(n): 28436923410
• 18018317550 is an abundant number, because the sum of its proper divisors (28436923410) is greater than itself. Its abundance is 10418605860

Bases of 18018317550

• Binary: 10000110001111110011011010011101110₂
• Hexadecimal: 0x431F9B4EE
• Base-36: 89ZN2SU

Squares and roots of 18018317550

• 18018317550 squared (18018317550²) is 324659767332638002500
• 18018317550 cubed (18018317550³) is 5849822783508588008242693875000
• The square root of 18018317550 is 134232.3267696719
• The cube root of 18018317550 is 2621.6300847011

Scales and comparisons

• 18,018,317,550 seconds is equal to 572 years, 48 weeks, 1 day, 8 hours, 12 minutes, 30 seconds.
• To count from 1 to 18,018,317,550 would take you about one thousand, one hundred forty-five 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 18018317550 cubic inches would be around 218.5 feet tall.

Recreational maths with 18018317550

• 18018317550 backwards is 05571381081
• The number of decimal digits it has is: 11
• The sum of 18018317550's digits is 39
• More coming soon!