155942008043544342089

Names of 155942008043544342089

• Cardinal: 155942008043544342089 can be written as One hundred fifty-five quintillion, nine hundred forty-two quadrillion, eight trillion, forty-three billion, five hundred forty-four million, three hundred forty-two thousand and eighty-nine.

Scientific notation

• Scientific notation: 1.55942008043544342089 × 10²⁰

Factors of 155942008043544342089

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1712225

Divisors of 155942008043544342089

• Number of divisors d(n): 32
• Complete list of divisors:
  1 311 1093 4517 61757 339923 1404787 1644547 4937081 19206427 67500401 278956369 511454117 1535432191 1797489871 7428418799 20992624711 86755430759 101562289079 304899311317 559019349881 2310238246489 8119261747307 31585871903569 94823685819587 111007581963347 458756859769843 2525090403412477 34523357990600917 142673383388421173 501421247728438399 155942008043544342089
• Sum of all divisors σ(n): 156623858811430523136
• Sum of proper divisors (its aliquot sum) s(n): 681850767886181047
• 155942008043544342089 is a deficient number, because the sum of its proper divisors (681850767886181047) is less than itself. Its deficiency is 155260157275658161042

Bases of 155942008043544342089

• Binary: 10000111010000100001010011100001100101110100100100010110111001001001₂
• Hexadecimal: 0x874214E1974916E49
• Base-36: WWRVGBQN63KUH

Squares and roots of 155942008043544342089

• 155942008043544342089 squared (155942008043544342089²) is 24317909872652848286691259151963856883921
• 155942008043544342089 cubed (155942008043544342089³) is 3792183696963416835130260679941522720342529873685293587650969
• The square root of 155942008043544342089 is 12487674244.7720961557
• The cube root of 155942008043544342089 is 5382545.4716527383

Scales and comparisons

• 155,942,008,043,544,342,089 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 155,942,008,043,544,342,089 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 155942008043544342089 cubic inches would be around 448545.5 feet tall.

Recreational maths with 155942008043544342089

• 155942008043544342089 backwards is 980243445340800249551
• The number of decimal digits it has is: 21
• The sum of 155942008043544342089's digits is 80
• More coming soon!