18455385508315

Names of 18455385508315

• Cardinal: 18455385508315 can be written as Eighteen trillion, four hundred fifty-five billion, three hundred eighty-five million, five hundred eight thousand, three hundred fifteen.

Scientific notation

• Scientific notation: 1.8455385508315 × 10¹³

Factors of 18455385508315

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 15688340

Divisors of 18455385508315

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 19 29 35 61 95 133 145 203 305 427 551 665 1015 1159 1769 2135 2755 3857 5795 8113 8845 12383 19285 33611 40565 61915 168055 235277 1176385 15688219 78441095 109817533 298076161 454958351 549087665 956981359 1490380805 2086533127 2274791755 3184708457 4784906795 6698869513 8644208669 10432665635 15923542285 18182645821 27752459411 33494347565 43221043345 60509460683 90913229105 127278520747 138762297055 194267215877 302547303415 527296728809 636392603735 971336079385 2636483644045 3691077101663 18455385508315
• Sum of all divisors σ(n): 28012885632000
• Sum of proper divisors (its aliquot sum) s(n): 9557500123685
• 18455385508315 is a deficient number, because the sum of its proper divisors (9557500123685) is less than itself. Its deficiency is 8897885384630

Bases of 18455385508315

• Binary: 100001100100011111010101100101000100111011011₂
• Hexadecimal: 0x10C8FAB289DB
• Base-36: 6JIAC0ZX7

Squares and roots of 18455385508315

• 18455385508315 squared (18455385508315²) is 340601254260523310934139225
• 18455385508315 cubed (18455385508315³) is 6285927451993574564202155838463605155875
• The square root of 18455385508315 is 4295973.1736028103
• The cube root of 18455385508315 is 26426.5847466259

Scales and comparisons

• 18,455,385,508,315 seconds is equal to 586,824 years, 8 weeks, 6 days, 22 hours, 31 minutes, 55 seconds.
• To count from 1 to 18,455,385,508,315 would take you about one million, four hundred sixty-seven thousand and sixty 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 18455385508315 cubic inches would be around 2202.2 feet tall.

Recreational maths with 18455385508315

• 18455385508315 backwards is 51380558355481
• 18455385508315 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18455385508315's digits is 61
• More coming soon!