42121075139

Names of 42121075139

• Cardinal: 42121075139 can be written as Forty-two billion, one hundred twenty-one million, seventy-five thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 4.2121075139 × 10¹⁰

Factors of 42121075139

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 130

Divisors of 42121075139

• Number of divisors d(n): 72
• Complete list of divisors:
  1 11 13 23 83 121 143 169 253 299 913 1079 1573 1859 1909 2197 2783 3289 3887 6889 10043 11869 14027 20449 20999 24167 24817 36179 42757 50531 75779 89557 130559 154297 158447 182351 230989 265837 272987 322621 470327 555841 833569 985127 1164241 1697267 1742917 2005861 2059811 3002857 3548831 4194073 6114251 10836397 12806651 15135133 19172087 22064471 22657921 26777543 39037141 46134803 140873161 166486463 249237131 294552973 348108059 507482833 1831351093 3240082703 3829188649 42121075139
• Sum of all divisors σ(n): 52973602080
• Sum of proper divisors (its aliquot sum) s(n): 10852526941
• 42121075139 is a deficient number, because the sum of its proper divisors (10852526941) is less than itself. Its deficiency is 31268548198

Bases of 42121075139

• Binary: 100111001110100111001001100111000011₂
• Hexadecimal: 0x9CE9C99C3
• Base-36: JCLSTKZ

Squares and roots of 42121075139

• 42121075139 squared (42121075139²) is 1774184970865283869321
• 42121075139 cubed (42121075139³) is 74730578468301147706234497910619
• The square root of 42121075139 is 205234.1958324685
• The cube root of 42121075139 is 3479.3636023869

Scales and comparisons

• 42,121,075,139 seconds is equal to 1,339 years, 16 weeks, 4 days, 10 hours, 38 minutes, 59 seconds.
• To count from 1 to 42,121,075,139 would take you about two thousand, six hundred seventy-eight 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 42121075139 cubic inches would be around 289.9 feet tall.

Recreational maths with 42121075139

• 42121075139 backwards is 93157012124
• The number of decimal digits it has is: 11
• The sum of 42121075139's digits is 35
• More coming soon!