155889616042544742401

Names of 155889616042544742401

• Cardinal: 155889616042544742401 can be written as One hundred fifty-five quintillion, eight hundred eighty-nine quadrillion, six hundred sixteen trillion, forty-two billion, five hundred forty-four million, seven hundred forty-two thousand, four hundred one.

Scientific notation

• Scientific notation: 1.55889616042544742401 × 10²⁰

Factors of 155889616042544742401

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2068698069748

Divisors of 155889616042544742401

• Number of divisors d(n): 16
• Complete list of divisors:
  1 89 157 5393 13973 479977 846701 75356389 2068698064109 184114127705701 324785596065113 11156488659739837 28905918049795057 992927490716845493 1751568719579154409 155889616042544742401
• Sum of all divisors σ(n): 158674685628048814800
• Sum of proper divisors (its aliquot sum) s(n): 2785069585504072399
• 155889616042544742401 is a deficient number, because the sum of its proper divisors (2785069585504072399) is less than itself. Its deficiency is 153104546457040670002

Bases of 155889616042544742401

• Binary: 10000111001101100111001010111101101000100011111010100100000000000001₂
• Hexadecimal: 0x873672BDA23EA4001
• Base-36: WWDJKWTNKBEV5

Squares and roots of 155889616042544742401

• 155889616042544742401 squared (155889616042544742401²) is 24301572389892023113231671137967447244801
• 155889616042544742401 cubed (155889616042544742401³) is 3788362789090373901852019792293207874691857460169615731507201
• The square root of 155889616042544742401 is 12485576320.0000000011
• The cube root of 155889616042544742401 is 5381942.6109724433

Scales and comparisons

• 155,889,616,042,544,742,401 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 155,889,616,042,544,742,401 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 155889616042544742401 cubic inches would be around 448495.2 feet tall.

Recreational maths with 155889616042544742401

• 155889616042544742401 backwards is 104247445240616988551
• The number of decimal digits it has is: 21
• The sum of 155889616042544742401's digits is 86
• More coming soon!