155442845222162155

Names of 155442845222162155

• Cardinal: 155442845222162155 can be written as One hundred fifty-five quadrillion, four hundred forty-two trillion, eight hundred forty-five billion, two hundred twenty-two million, one hundred sixty-two thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 1.55442845222162155 × 10¹⁷

Factors of 155442845222162155

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2165394514788

Divisors of 155442845222162155

• Number of divisors d(n): 24
• Complete list of divisors:
  1 5 7 35 49 245 293 1465 2051 10255 14357 71785 2165394514483 10826972572415 15157761601381 75788808006905 106104331209667 530521656048335 634460592743519 3172302963717595 4441224149204633 22206120746023165 31088569044432431 155442845222162155
• Sum of all divisors σ(n): 217726087642337232
• Sum of proper divisors (its aliquot sum) s(n): 62283242420175077
• 155442845222162155 is a deficient number, because the sum of its proper divisors (62283242420175077) is less than itself. Its deficiency is 93159602801987078

Bases of 155442845222162155

• Binary: 1000101000001111100111000110110100010101111100111011101011₂
• Hexadecimal: 0x2283E71B457CEEB
• Base-36: 16IJW19XY12J

Squares and roots of 155442845222162155

• 155442845222162155 squared (155442845222162155²) is 24162478130761059898417973114244025
• 155442845222162155 cubed (155442845222162155³) is 3755884348263769377495749597128219268043638789873875
• The square root of 155442845222162155 is 394262406.5545206847
• The cube root of 155442845222162155 is 537679.6243754841

Scales and comparisons

• 155,442,845,222,162,155 seconds is equal to 4,942,601,661 years, 40 weeks, 2 days, 3 hours, 15 minutes, 55 seconds.
• To count from 1 to 155,442,845,222,162,155 would take you about fourteen billion, eight hundred twenty-seven million, eight hundred four thousand, nine hundred eighty-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 155442845222162155 cubic inches would be around 44806.6 feet tall.

Recreational maths with 155442845222162155

• 155442845222162155 backwards is 551261222548244551
• The number of decimal digits it has is: 18
• The sum of 155442845222162155's digits is 64
• More coming soon!