161191559491072

Names of 161191559491072

• Cardinal: 161191559491072 can be written as One hundred sixty-one trillion, one hundred ninety-one billion, five hundred fifty-nine million, four hundred ninety-one thousand and seventy-two.

Scientific notation

• Scientific notation: 1.61191559491072 × 10¹⁴

Factors of 161191559491072

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 28620660434

Divisors of 161191559491072

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1408 2816 5632 28620660421 57241320842 114482641684 228965283368 314827264631 457930566736 629654529262 915861133472 1259309058524 1831722266944 2518618117048 3663444533888 5037236234096 7326889067776 10074472468192 14653778135552 20148944936384 40297889872768 80595779745536 161191559491072
• Sum of all divisors σ(n): 351347227340472
• Sum of proper divisors (its aliquot sum) s(n): 190155667849400
• 161191559491072 is an abundant number, because the sum of its proper divisors (190155667849400) is greater than itself. Its abundance is 28964108358328

Bases of 161191559491072

• Binary: 100100101001101001010101101001001110111000000000₂
• Hexadecimal: 0x929A55A4EE00
• Base-36: 1L4YDOOF0G

Squares and roots of 161191559491072

• 161191559491072 squared (161191559491072²) is 25982718851163803763647709184
• 161191559491072 cubed (161191559491072³) is 4188194971437168204711153211969585700405248
• The square root of 161191559491072 is 12696123.7978790991
• The cube root of 161191559491072 is 54422.7854164243

Scales and comparisons

• 161,191,559,491,072 seconds is equal to 5,125,392 years, 51 weeks, 4 days, 15 hours, 57 minutes, 52 seconds.
• To count from 1 to 161,191,559,491,072 would take you about twelve million, eight hundred thirteen thousand, four hundred eighty-two 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 161191559491072 cubic inches would be around 4535.2 feet tall.

Recreational maths with 161191559491072

• 161191559491072 backwards is 270194955191161
• The number of decimal digits it has is: 15
• The sum of 161191559491072's digits is 61
• More coming soon!