155201890401

Names of 155201890401

• Cardinal: 155201890401 can be written as One hundred fifty-five billion, two hundred one million, eight hundred ninety thousand, four hundred one.

Scientific notation

• Scientific notation: 1.55201890401 × 10¹¹

Factors of 155201890401

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3133

Divisors of 155201890401

• Number of divisors d(n): 56
• Complete list of divisors:
  1 3 9 27 41 81 123 243 369 729 1107 1681 3089 3321 5043 9267 9963 15129 27801 29889 45387 68921 83403 126649 136161 206763 250209 379947 408483 620289 750627 1139841 1225449 1860867 2251881 3419523 5192609 5582601 10258569 15577827 16747803 30775707 46733481 50243409 92327121 140200443 212896969 420601329 638690907 1261803987 1916072721 3785411961 5748218163 17244654489 51733963467 155201890401
• Sum of all divisors σ(n): 238590926280
• Sum of proper divisors (its aliquot sum) s(n): 83389035879
• 155201890401 is a deficient number, because the sum of its proper divisors (83389035879) is less than itself. Its deficiency is 71812854522

Bases of 155201890401

• Binary: 10010000100010110000001110100001100001₂
• Hexadecimal: 0x2422C0E861
• Base-36: 1ZAR7529

Squares and roots of 155201890401

• 155201890401 squared (155201890401²) is 24087626784044015940801
• 155201890401 cubed (155201890401³) is 3738445212157391457604093706151201
• The square root of 155201890401 is 393956.7113287957
• The cube root of 155201890401 is 5374.0165833187

Scales and comparisons

• 155,201,890,401 seconds is equal to 4,934 years, 48 weeks, 6 days, 4 hours, 13 minutes, 21 seconds.
• To count from 1 to 155,201,890,401 would take you about nine thousand, eight hundred sixty-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 155201890401 cubic inches would be around 447.8 feet tall.

Recreational maths with 155201890401

• 155201890401 backwards is 104098102551
• The number of decimal digits it has is: 12
• The sum of 155201890401's digits is 36
• More coming soon!