121384081979720

Names of 121384081979720

• Cardinal: 121384081979720 can be written as One hundred twenty-one trillion, three hundred eighty-four billion, eighty-one million, nine hundred seventy-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2138408197972 × 10¹⁴

Factors of 121384081979720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1001188850

Divisors of 121384081979720

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 433 866 1732 2165 3031 3464 4330 6062 8660 12124 15155 17320 24248 30310 60620 121240 1001188403 2002376806 4004753612 5005942015 7008318821 8009507224 10011884030 14016637642 20023768060 28033275284 35041594105 40047536120 56066550568 70083188210 140166376420 280332752840 433514578499 867029156998 1734058313996 2167572892495 3034602049493 3468116627992 4335145784990 6069204098986 8670291569980 12138408197972 15173010247465 17340583139960 24276816395944 30346020494930 60692040989860 121384081979720
• Sum of all divisors σ(n): 312851352481920
• Sum of proper divisors (its aliquot sum) s(n): 191467270502200
• 121384081979720 is an abundant number, because the sum of its proper divisors (191467270502200) is greater than itself. Its abundance is 70083188522480

Bases of 121384081979720

• Binary: 11011100110010111101111000101100111100101001000₂
• Hexadecimal: 0x6E65EF167948
• Base-36: 170Z2SD748

Squares and roots of 121384081979720

• 121384081979720 squared (121384081979720²) is 14734095358059385634491278400
• 121384081979720 cubed (121384081979720³) is 1788484638839692372865267024922945674048000
• The square root of 121384081979720 is 11017444.4396021349
• The cube root of 121384081979720 is 49513.1525746893

Scales and comparisons

• 121,384,081,979,720 seconds is equal to 3,859,638 years, 17 weeks, 5 days, 5 hours, 55 minutes, 20 seconds.
• To count from 1 to 121,384,081,979,720 would take you about nine million, six hundred forty-nine thousand and ninety-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 121384081979720 cubic inches would be around 4126.1 feet tall.

Recreational maths with 121384081979720

• 121384081979720 backwards is 027979180483121
• The number of decimal digits it has is: 15
• The sum of 121384081979720's digits is 62
• More coming soon!