66185989 is an odd 8-digits prime number following 66185988
and preceding 66185990 . In scientific notation, it is written as 6.6185989 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 66185988 positive integers (up to 66185989) that are relatively prime to 66185989.
66185989 has 2 divisors, whose sum is 66185990
The reverse of 66185989 is 98958166
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
sixty-six million one hundred eighty-five thousand nine hundred eighty-nine
Scientific notation
6.6185989 × 10^7
Engineering notation
6.6185989 × 10^6
Prime Factorization
66185989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
66185989 Product of the distinct prime numbers
The prime factorization of 66185989 is 66185989.
Since it has a total of 1 prime factors.
4 , 5 , 65 , 51 , 189 , 975 , 9538 , 288 , 79102 , 67366 , 608941 , 241024 , 205517 , 8735670 , 80423019 , 37017061 , 26822815 , 555619340 , 9338614610 , 7700050695
n×2
132371978
n×3
198557967
n×4
264743956
n×5
330929945
n÷2
33092994.5
n÷3
22061996.333333
n÷3
16546497.25
n÷5
13237197.8
n2
4380585139908121
n3
2.8993335988352E+23
n4
1.9189526167984E+31
n5
1.2700777678694E+39
2 √n8135.4771833003
3 √n404.50325522491
4 √n90.196880119549
5 √n36.656687111617
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
66185990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
33092995 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8135.4772447595 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999697821 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66185989 can be divided by 2 positive divisors.
The sum of these divisors (counting 66185989) is 66185990, the average is 33092995.
Base
System
Value
2
Binary
11111100011110101100000101
3
Ternary
11121112121002221
4
Quaternary
3330132230011
5
Quinary
113420422424
6
Senary
10322332341
8
Octal
374365405
10
Decimal
66185989
12
Duodecimal
1a1ba0b1
16
Hexadecimal
3f1eb05
20
Vigesimal
10dd4j9
36
Base36
13elfp
md5
f72a415ec0b64fa69fbe77ab63129dd6
sha1
805f0cca2f1bc6e38e775f5af6f01fec81e699c8
sha256
97f2d001ef82ff6cc0948e92903dd0b097a7af39d86ecf1746545b3ed6179c78
sha512
324283da4ba3d8141116673fc4578bf21c0c420b811ab26da041ddfcec96ed10bd1038aace2d9aeb943bd34f7f0e6398002e6ba3759e091da8a134c9c397168a
ripemd-160
f7cf4076f81a22f64484238d61fae264d933be17
Diameter
132371978
Circumference
415858833.62595
Area
1.376201409396E+16
Volume
1.2144700179209E+24
Surface area
5.504805637584E+16
Circumference
415858833.62595
Perimeter
264743956
Area
4380585139908121
Diagonal
93601123.282876
Surface area
26283510839448726
Volume
2.8993335988352E+23
Space diagonal
114637495.69719
Perimeter
198557967
Area
1.8968490073005E+15
Altitude
57318747.848597
Surface area
1.8968490073005E+15
Volume
3.4168974144306E+22
Height
31200374.427625