166157989 is an odd 9-digits prime number following 166157988
and preceding 166157990 . In scientific notation, it is written as 1.66157989 × 10^8.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 166157988 positive integers (up to 166157989) that are relatively prime to 166157989.
166157989 has 2 divisors, whose sum is 166157990
The reverse of 166157989 is 989751661
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 52 Digital Root 7
Name
one hundred sixty-six million one hundred fifty-seven thousand nine hundred eighty-nine
Scientific notation
1.66157989 × 10^8
Engineering notation
1.66157989 × 10^6
Prime Factorization
166157989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
166157989 Product of the distinct prime numbers
The prime factorization of 166157989 is 166157989.
Since it has a total of 1 prime factors.
8 , 5 , 63 , 100 , 979 , 639 , 2556 , 9205 , 80784 , 36257 , 565259 , 849328 , 2465296 , 2302501 , 91654492 , 84750998 , 184726176 , 830362711 , 9946669319 , 8604519239
n×2
332315978
n×3
498473967
n×4
664631956
n×5
830789945
n÷2
83078994.5
n÷3
55385996.333333
n÷3
41539497.25
n÷5
33231597.8
n2
27608477308524121
n3
4.5873690689365E+24
n4
7.6222801929529E+32
n5
1.2665027484556E+41
2 √n12890.22843087
3 √n549.7607653762
4 √n113.53514183225
5 √n44.066062436776
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
166157990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
83078995 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12890.228469659 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999879633 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166157989 can be divided by 2 positive divisors.
The sum of these divisors (counting 166157989) is 166157990, the average is 83078995.
Base
System
Value
2
Binary
1001111001110101111010100101
3
Ternary
102120122200220121
4
Quaternary
21321311322211
5
Quinary
320014023424
6
Senary
24253201541
8
Octal
1171657245
10
Decimal
166157989
12
Duodecimal
477902b1
16
Hexadecimal
9e75ea5
20
Vigesimal
2bi9ej9
36
Base36
2qxcbp
md5
b0d17e92db2c4116d4d223e290664ce6
sha1
c8ac01e6ec36aa1353f87d993a9421658da7ac74
sha256
84c9ae48150b371eced268a8999ec0e8a5ccd910b5f808d91ee0ab90f990b3fc
sha512
49492acdc47d4b40a17955ccdc80c089687a7df420791189200fbce120201b01ddbcae15111f128fcb6dd6e1bfa79c84beff1d7b8f1c47f435e6dbb1662c32d9
ripemd-160
106f484a9b687bc9b55354326476fc9ba94d6c16
Diameter
332315978
Circumference
1044001435.1553
Area
8.673458948926E+16
Volume
1.9215526621701E+25
Surface area
3.4693835795704E+17
Circumference
1044001435.1553
Perimeter
664631956
Area
27608477308524121
Diagonal
234982881.54044
Surface area
165650863851144726
Volume
4.5873690689365E+24
Space diagonal
287794079.03147
Perimeter
498473967
Area
1.1954821354494E+16
Altitude
143897039.51574
Surface area
1.1954821354494E+16
Volume
5.406266294084E+23
Height
78327627.180147