166157985 is an odd 9-digits composite number following 166157984
and preceding 166157986 . In scientific notation, it is written as 1.66157985 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 73506240 positive integers (up to 166157985) that are relatively prime to 166157985.
166157985 has 16 divisors, whose sum is 235229184
The reverse of 166157985 is 589751661
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred sixty-six million one hundred fifty-seven thousand nine hundred eighty-five
Scientific notation
1.66157985 × 10^8
Engineering notation
1.66157985 × 10^6
Prime Factorization
35 × 3 × 31 × 51047
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
166157985
Product of the distinct prime numbers
The prime factorization of 166157985 is 35 × 3 × 31 × 51047.
Since it has a total of 4 prime factors.
8 , 2 , 93 , 68 , 1000 , 999 , 1492 , 3169 , 88777 , 32213 , 340120 , 545718 , 1588228 , 5740697 , 31184412 , 97889257 , 917362030 , 398461084 , 6906312675 , 4974725416
n×2
332315970
n×3
498473955
n×4
664631940
n×5
830789925
n÷2
83078992.5
n÷3
55385995
n÷3
41539496.25
n÷5
33231597
n2
27608475979260225
n3
4.5873687376348E+24
n4
7.6222794589739E+32
n5
1.26650259601E+41
2 √n
12890.228275713
3 √n
549.76076096465
4 √n
113.53514114896
5 √n
44.066062224611
1 , 3 , 31 , 35 , 93 , 105 , 1085 , 3255 , 51047 , 153141 , 1582457 , 1786645 , 4747371 , 5359935 , 55385995 , 166157985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-166157984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166157985 can be divided by 16 positive divisors.
The sum of these divisors (counting 166157985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111001110101111010100001
3
Ternary
102120122200220110
4
Quaternary
21321311322201
5
Quinary
320014023420
6
Senary
24253201533
8
Octal
1171657241
10
Decimal
166157985
12
Duodecimal
477902a9
16
Hexadecimal
9e75ea1
20
Vigesimal
2bi9ej5
36
Base36
2qxcbl
md5
c1374800bf1e7370c9e6d53edaee5dba
sha1
dea324507f9f58ac1c049b6fa9e6e94ccff5f21a
sha256
6d0be95d992c6b04bc800786867c8c3fa10302c63593c7251f4d91a902077edd
sha512
0f40ad930ed7f4f7f1ed1731227da81743890bbab8b961a7fb93a3737c47e0f844ad804f6be8fd0086e262d6ff8edb20295ec40d9228a9a8a50c9535bea91c33
ripemd-160
d2120e63b576ef2ad051811d9406c5673d6f69a2
Diameter
332315970
Circumference
1044001410.0226
Area
8.6734585313254E+16
Volume
1.9215525233948E+25
Surface area
3.4693834125302E+17
Circumference
1044001410.0226
Perimeter
664631940
Area
27608475979260225
Diagonal
234982875.88359
Surface area
165650855875561350
Volume
4.5873687376348E+24
Space diagonal
287794072.10327
Perimeter
498473955
Area
1.1954820778906E+16
Altitude
143897036.05163
Surface area
1.1954820778906E+16
Volume
5.4062659036412E+23
Height
78327625.294528