166243986 is an even 9-digits composite number following 166243985
and preceding 166243987 . In scientific notation, it is written as 1.66243986 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 52154880 positive integers (up to 166243986) that are relatively prime to 166243986.
166243986 has 16 divisors, whose sum is 293372280
The reverse of 166243986 is 689342661
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred sixty-six million two hundred forty-three thousand nine hundred eighty-six
Scientific notation
1.66243986 × 10^8
Engineering notation
1.66243986 × 10^6
Prime Factorization
2 × 9 × 17 × 543281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
166243986
Product of the distinct prime numbers
The prime factorization of 166243986 is 2 × 9 × 17 × 543281.
Since it has a total of 4 prime factors.
3 , 3 , 22 , 3 , 665 , 27 , 2169 , 9565 , 55385 , 52454 , 937026 , 573714 , 6647436 , 2801357 , 38302079 , 25723268 , 700030511 , 701436466 , 3624929224 , 8627875334
n×2
332487972
n×3
498731958
n×4
664975944
n×5
831219930
n÷2
83121993
n÷3
55414662
n÷3
41560996.5
n÷5
33248797.2
n2
27637062881168196
n3
4.594495494698E+24
n4
7.6380724469764E+32
n5
1.2697836089421E+41
2 √n
12893.563743201
3 √n
549.85559404455
4 √n
113.54982934026
5 √n
44.070622873391
1 , 2 , 9 , 17 , 18 , 34 , 153 , 306 , 543281 , 1086562 , 4889529 , 9235777 , 9779058 , 18471554 , 83121993 , 166243986
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
-166243985
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 166243986 can be divided by 16 positive divisors.
The sum of these divisors (counting 166243986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010001010111010010010
3
Ternary
102120211001212200
4
Quaternary
21322022322102
5
Quinary
320024301421
6
Senary
24255104030
8
Octal
1172127222
10
Decimal
166243986
12
Duodecimal
47812016
16
Hexadecimal
9e8ae92
20
Vigesimal
2bj09j6
36
Base36
2qz6oi
md5
82e7671d90ead2e68af2957cd5be4bff
sha1
99eebdea5ba5bdda8b32ff493c6c7987bc653c42
sha256
c5cafcdb033fb7fa43d08de33a287ab9d7c5fddfdff36c3c70bf519757cc40db
sha512
8143b8972125cd6371e32ab75199e795cbda70b2deeef3352e972adcbaa2ed89887113d3fcb439156e598c88dc4cc8a9e79df4c2ba7ce12792dc02838f96094d
ripemd-160
9f61bc225ebe171abb7c0c6bb9612e4455f05167
Diameter
332487972
Circumference
1044541770.2422
Area
8.6824393714277E+16
Volume
1.9245377724126E+25
Surface area
3.4729757485711E+17
Circumference
1044541770.2422
Perimeter
664975944
Area
27637062881168196
Diagonal
235104499.66416
Surface area
165822377287009176
Volume
4.594495494698E+24
Space diagonal
287943030.20477
Perimeter
498731958
Area
1.196719927054E+16
Altitude
143971515.10238
Surface area
1.196719927054E+16
Volume
5.4146648673867E+23
Height
78368166.554721