121655435668707240

Names of 121655435668707240

• Cardinal: 121655435668707240 can be written as One hundred twenty-one quadrillion, six hundred fifty-five trillion, four hundred thirty-five billion, six hundred sixty-eight million, seven hundred seven thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.2165543566870724 × 10¹⁷

Factors of 121655435668707240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 337931765746419

Divisors of 121655435668707240

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 337931765746409 675863531492818 1013795297239227 1351727062985636 1689658828732045 2027590594478454 2703454125971272 3041385891717681 3379317657464090 4055181188956908 5068976486196135 6082771783435362 6758635314928180 8110362377913816 10137952972392270 12165543566870724 13517270629856360 15206929458588405 20275905944784540 24331087133741448 30413858917176810 40551811889569080 60827717834353620 121655435668707240
• Sum of all divisors σ(n): 395380165923299700
• Sum of proper divisors (its aliquot sum) s(n): 273724730254592460
• 121655435668707240 is an abundant number, because the sum of its proper divisors (273724730254592460) is greater than itself. Its abundance is 152069294585885220

Bases of 121655435668707240

• Binary: 110110000001101001111100101100100000001110101011110101000₂
• Hexadecimal: 0x1B034F9640757A8
• Base-36: X9V93LUVQ20

Squares and roots of 121655435668707240

• 121655435668707240 squared (121655435668707240²) is 14800045027742965786868172828417600
• 121655435668707240 cubed (121655435668707240³) is 1800505925766554833369286933847367585590126863424000
• The square root of 121655435668707240 is 348791392.7675211999
• The cube root of 121655435668707240 is 495500.2060843509

Scales and comparisons

• 121,655,435,668,707,240 seconds is equal to 3,868,266,549 years, 15 weeks, 2 days, 8 hours, 54 minutes.
• To count from 1 to 121,655,435,668,707,240 would take you about eleven billion, six hundred four million, seven hundred ninety-nine thousand, six hundred forty-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 121655435668707240 cubic inches would be around 41291.7 feet tall.

Recreational maths with 121655435668707240

• 121655435668707240 backwards is 042707866534556121
• 121655435668707240 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 121655435668707240's digits is 72
• More coming soon!