155890601801955

Names of 155890601801955

• Cardinal: 155890601801955 can be written as One hundred fifty-five trillion, eight hundred ninety billion, six hundred one million, eight hundred one thousand, nine hundred fifty-five.

Scientific notation

• Scientific notation: 1.55890601801955 × 10¹⁴

Factors of 155890601801955

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 120651011

Divisors of 155890601801955

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 9 15 17 27 45 51 85 135 153 255 459 563 765 1689 2295 2815 5067 8445 9571 15201 25335 28713 47855 76005 86139 143565 258417 430695 1292085 120650423 361951269 603252115 1085853807 1809756345 2051057191 3257561421 5429269035 6153171573 10255285955 16287807105 18459514719 30765857865 55378544157 67926188149 92297573595 203778564447 276892720785 339630940745 611335693341 1018892822235 1154745198533 1834007080023 3056678466705 3464235595599 5773725992665 9170035400115 10392706786797 17321177977995 31178120360391 51963533933985 155890601801955
• Sum of all divisors σ(n): 293962345067520
• Sum of proper divisors (its aliquot sum) s(n): 138071743265565
• 155890601801955 is a deficient number, because the sum of its proper divisors (138071743265565) is less than itself. Its deficiency is 17818858536390

Bases of 155890601801955

• Binary: 100011011100100000011011111100011011100011100011₂
• Hexadecimal: 0x8DC81BF1B8E3
• Base-36: 1J9B5JC4IR

Squares and roots of 155890601801955

• 155890601801955 squared (155890601801955²) is 24301879730175695493041822025
• 155890601801955 cubed (155890601801955³) is 3788434656055820965016330832734641407058875
• The square root of 155890601801955 is 12485615.7958650561
• The cube root of 155890601801955 is 53819.5395508785

Scales and comparisons

• 155,890,601,801,955 seconds is equal to 4,956,838 years, 48 weeks, 4 days, 16 hours, 59 minutes, 15 seconds.
• To count from 1 to 155,890,601,801,955 would take you about twelve million, three hundred ninety-two thousand and ninety-seven 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 155890601801955 cubic inches would be around 4485 feet tall.

Recreational maths with 155890601801955

• 155890601801955 backwards is 559108106098551
• The number of decimal digits it has is: 15
• The sum of 155890601801955's digits is 63
• More coming soon!