42649301985

Names of 42649301985

• Cardinal: 42649301985 can be written as Forty-two billion, six hundred forty-nine million, three hundred one thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 4.2649301985 × 10¹⁰

Factors of 42649301985

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 257

Divisors of 42649301985

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 15 31 61 93 155 157 183 305 465 471 785 915 1891 2355 3721 4867 5673 9455 9577 11163 14601 18605 24335 24649 28365 28731 47885 55815 73005 73947 115351 123245 143655 296887 346053 369735 576755 584197 764119 890661 1484435 1503589 1730265 1752591 2292357 2920985 3820595 4453305 4510767 7517945 8762955 11461785 18110107 22553835 46611259 54330321 90550535 91718929 139833777 233056295 271651605 275156787 458594645 699168885 1375783935 2843286799 8529860397 14216433995 42649301985
• Sum of all divisors σ(n): 72072868608
• Sum of proper divisors (its aliquot sum) s(n): 29423566623
• 42649301985 is a deficient number, because the sum of its proper divisors (29423566623) is less than itself. Its deficiency is 13225735362

Bases of 42649301985

• Binary: 100111101110000110001011001111100001₂
• Hexadecimal: 0x9EE18B3E1
• Base-36: JLCAK0X

Squares and roots of 42649301985

• 42649301985 squared (42649301985²) is 1818962959807724940225
• 42649301985 cubed (42649301985³) is 77577500572369078511472098846625
• The square root of 42649301985 is 206517.0743183237
• The cube root of 42649301985 is 3493.8477494119

Scales and comparisons

• 42,649,301,985 seconds is equal to 1,356 years, 6 weeks, 4 hours, 19 minutes, 45 seconds.
• To count from 1 to 42,649,301,985 would take you about two thousand, seven hundred twelve 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 42649301985 cubic inches would be around 291.2 feet tall.

Recreational maths with 42649301985

• 42649301985 backwards is 58910394624
• The number of decimal digits it has is: 11
• The sum of 42649301985's digits is 51
• More coming soon!