155220297042993792

Names of 155220297042993792

• Cardinal: 155220297042993792 can be written as One hundred fifty-five quadrillion, two hundred twenty trillion, two hundred ninety-seven billion, forty-two million, nine hundred ninety-three thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.55220297042993792 × 10¹⁷

Factors of 155220297042993792

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 404219523549468

Divisors of 155220297042993792

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 404219523549463 808439047098926 1212658570648389 1616878094197852 2425317141296778 3233756188395704 4850634282593556 6467512376791408 9701268565187112 12935024753582816 19402537130374224 25870049507165632 38805074260748448 51740099014331264 77610148521496896 155220297042993792
• Sum of all divisors σ(n): 412303914020453280
• Sum of proper divisors (its aliquot sum) s(n): 257083616977459488
• 155220297042993792 is an abundant number, because the sum of its proper divisors (257083616977459488) is greater than itself. Its abundance is 101863319934465696

Bases of 155220297042993792

• Binary: 1000100111011101000000100110101011001011011010001010000000₂
• Hexadecimal: 0x2277409AB2DA280
• Base-36: 16GD041Y3BEO

Squares and roots of 155220297042993792

• 155220297042993792 squared (155220297042993792²) is 24093340614115227328640914150539264
• 155220297042993792 cubed (155220297042993792³) is 3739775486880992053122581648598510373919549804249088
• The square root of 155220297042993792 is 393980071.8856142753
• The cube root of 155220297042993792 is 537422.9024221447

Scales and comparisons

• 155,220,297,042,993,792 seconds is equal to 4,935,525,318 years, 3 weeks, 2 days, 9 hours, 23 minutes, 12 seconds.
• To count from 1 to 155,220,297,042,993,792 would take you about fourteen billion, eight hundred six million, five hundred seventy-five thousand, nine hundred fifty-four 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 155220297042993792 cubic inches would be around 44785.2 feet tall.

Recreational maths with 155220297042993792

• 155220297042993792 backwards is 297399240792022551
• The number of decimal digits it has is: 18
• The sum of 155220297042993792's digits is 78
• More coming soon!