18020002808997045

Names of 18020002808997045

• Cardinal: 18020002808997045 can be written as Eighteen quadrillion, twenty trillion, two billion, eight hundred eight million, nine hundred ninety-seven thousand and forty-five.

Scientific notation

• Scientific notation: 1.8020002808997045 × 10¹⁶

Factors of 18020002808997045

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2955143

Divisors of 18020002808997045

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 9 15 27 45 81 135 367 405 1101 1835 3303 5505 9909 16515 29727 41617 49545 124851 148635 208085 374553 624255 1123659 1872765 2913151 3370977 5618295 8739453 14565755 15273439 16854885 26218359 43697265 45820317 76367195 78655077 131091795 137460951 229101585 235965231 393275385 412382853 687304755 1069126417 1179826155 1237148559 2061914265 3207379251 5345632085 6185742795 9622137753 16036896255 28866413259 48110688765 86599239777 121236605167 144332066295 363709815501 432996198885 606183025835 1091129446503 1818549077505 3273388339509 5455647232515 9820165018527 16366941697545 44493834096289 49100825092635 133481502288867 222469170481445 400444506866601 667407511444335 1201333520599803 2002222534333005 3604000561799409 6006667602999015 18020002808997045
• Sum of all divisors σ(n): 32391330748981248
• Sum of proper divisors (its aliquot sum) s(n): 14371327939984203
• 18020002808997045 is a deficient number, because the sum of its proper divisors (14371327939984203) is less than itself. Its deficiency is 3648674869012842

Bases of 18020002808997045

• Binary: 1000000000001010001100011011010010010000010010010110101₂
• Hexadecimal: 0x400518DA4824B5
• Base-36: 4XFK309SIB9

Squares and roots of 18020002808997045

• 18020002808997045 squared (18020002808997045²) is 324720501236261392264398818732025
• 18020002808997045 cubed (18020002808997045³) is 5851464344416358712181564431833231019748871866125
• The square root of 18020002808997045 is 134238604.0191011707
• The cube root of 18020002808997045 is 262171.1816119375

Scales and comparisons

• 18,020,002,808,997,045 seconds is equal to 572,980,349 years, 41 weeks, 3 days, 8 hours, 30 minutes, 45 seconds.
• To count from 1 to 18,020,002,808,997,045 would take you about one billion, seven hundred eighteen million, nine hundred forty-one thousand and forty-nine 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 18020002808997045 cubic inches would be around 21847.6 feet tall.

Recreational maths with 18020002808997045

• 18020002808997045 backwards is 54079980820002081
• The number of decimal digits it has is: 17
• The sum of 18020002808997045's digits is 63
• More coming soon!