166155989 is an odd 9-digits prime number following 166155988
and preceding 166155990 . In scientific notation, it is written as 1.66155989 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 166155988 positive integers (up to 166155989) that are relatively prime to 166155989.
166155989 has 2 divisors, whose sum is 166155990
The reverse of 166155989 is 989551661
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
one hundred sixty-six million one hundred fifty-five thousand nine hundred eighty-nine
Scientific notation
1.66155989 × 10^8
Engineering notation
1.66155989 × 10^6
Prime Factorization
166155989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
166155989 Product of the distinct prime numbers
The prime factorization of 166155989 is 166155989.
Since it has a total of 1 prime factors.
1 , 9 , 16 , 97 , 384 , 997 , 2144 , 9361 , 33463 , 42193 , 302600 , 324989 , 2767897 , 7820573 , 3256292 , 9680148 , 484864978 , 645476590 , 6165236194 , 3647706294
n×2
332311978
n×3
498467967
n×4
664623956
n×5
830779945
n÷2
83077994.5
n÷3
55385329.666667
n÷3
41538997.25
n÷5
33231197.8
n2
27607812680568121
n3
4.5872034200665E+24
n4
7.6219132100534E+32
n5
1.2664265274886E+41
2 √n12890.150852492
3 √n549.75855959212
4 √n113.53480018255
5 √n44.065956353945
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
166155990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
83077995 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12890.150891281 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999879631 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166155989 can be divided by 2 positive divisors.
The sum of these divisors (counting 166155989) is 166155990, the average is 83077995.
Base
System
Value
2
Binary
1001111001110101011011010101
3
Ternary
102120122121011112
4
Quaternary
21321311123111
5
Quinary
320013442424
6
Senary
24253144405
8
Octal
1171653325
10
Decimal
166155989
12
Duodecimal
4778b105
16
Hexadecimal
9e756d5
20
Vigesimal
2bi99j9
36
Base36
2qxas5
md5
b11f05890dbda93374f55847d69f4192
sha1
36ba03bae2639553f9c35f25dd0f4ff9661463a9
sha256
8bdd018332001faeea4ae2241c40822337797fe0ae81480bcf12cdb11ee82e19
sha512
8c80916c7d6ab6a807831ace6059732af6c84444d186c54f08ca1725a83766e3aaa6f650150312adf92a221f5bea676d31261b593497680d0c9de111db7f7111
ripemd-160
403c84dc30de271b525bc046d981ac17bf84ac6d
Diameter
332311978
Circumference
1043988868.7847
Area
8.6732501498956E+16
Volume
1.9214832753337E+25
Surface area
3.4693000599582E+17
Circumference
1043988868.7847
Perimeter
664623956
Area
27607812680568121
Diagonal
234980053.11331
Surface area
165646876083408726
Volume
4.5872034200665E+24
Space diagonal
287790614.92986
Perimeter
498467967
Area
1.1954533562147E+16
Altitude
143895307.46493
Surface area
1.1954533562147E+16
Volume
5.4060710750186E+23
Height
78326684.371105