121991267685350896

Names of 121991267685350896

• Cardinal: 121991267685350896 can be written as One hundred twenty-one quadrillion, nine hundred ninety-one trillion, two hundred sixty-seven billion, six hundred eighty-five million, three hundred fifty thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 1.21991267685350896 × 10¹⁷

Factors of 121991267685350896

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5019390540089

Divisors of 121991267685350896

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 49 56 62 98 112 124 196 217 248 392 434 496 784 868 1519 1736 3038 3472 6076 12152 24304 5019390540049 10038781080098 20077562160196 35135733780343 40155124320392 70271467560686 80310248640784 140542935121372 155601106741519 245950136462401 281085870242744 311202213483038 491900272924802 562171740485488 622404426966076 983800545849604 1089207747190633 1244808853932152 1967601091699208 2178415494381266 2489617707864304 3935202183398416 4356830988762532 7624454230334431 8713661977525064 15248908460668862 17427323955050128 30497816921337724 60995633842675448 121991267685350896
• Sum of all divisors σ(n): 283816418696587200
• Sum of proper divisors (its aliquot sum) s(n): 161825151011236304
• 121991267685350896 is an abundant number, because the sum of its proper divisors (161825151011236304) is greater than itself. Its abundance is 39833883325885408

Bases of 121991267685350896

• Binary: 110110001011001100110100101100000000101011011110111110000₂
• Hexadecimal: 0x1B166696015BDF0
• Base-36: XD6AMPENY0G

Squares and roots of 121991267685350896

• 121991267685350896 squared (121991267685350896²) is 14881869391478937754956314648002816
• 121991267685350896 cubed (121991267685350896³) is 1815458112594337142146321109048061228274526556123136
• The square root of 121991267685350896 is 349272483.4357136929
• The cube root of 121991267685350896 is 495955.7329192559

Scales and comparisons

• 121,991,267,685,350,896 seconds is equal to 3,878,944,968 years, 32 weeks, 4 days, 10 hours, 48 minutes, 16 seconds.
• To count from 1 to 121,991,267,685,350,896 would take you about eleven billion, six hundred thirty-six million, eight hundred thirty-four thousand, nine hundred five 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 121991267685350896 cubic inches would be around 41329.6 feet tall.

Recreational maths with 121991267685350896

• 121991267685350896 backwards is 698053586762199121
• The number of decimal digits it has is: 18
• The sum of 121991267685350896's digits is 88
• More coming soon!