166156921 is an odd 9-digits composite number following 166156920
and preceding 166156922 . In scientific notation, it is written as 1.66156921 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 135168768 positive integers (up to 166156921) that are relatively prime to 166156921.
166156921 has 16 divisors, whose sum is 199785600
The reverse of 166156921 is 129651661
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred sixty-six million one hundred fifty-six thousand nine hundred twenty-one
Scientific notation
1.66156921 × 10^8
Engineering notation
1.66156921 × 10^6
Prime Factorization
29 × 7 × 59 × 13873
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
166156921
Product of the distinct prime numbers
The prime factorization of 166156921 is 29 × 7 × 59 × 13873.
Since it has a total of 4 prime factors.
6 , 3 , 22 , 40 , 634 , 264 , 3415 , 8726 , 82969 , 79612 , 627953 , 349665 , 2741879 , 3053263 , 33182571 , 12786909 , 452673971 , 184618212 , 9014363848 , 3013992071
n×2
332313842
n×3
498470763
n×4
664627684
n×5
830784605
n÷2
83078460.5
n÷3
55385640.333333
n÷3
41539230.25
n÷5
33231384.2
n2
27608122396200241
n3
4.5872806119438E+24
n4
7.6220842224357E+32
n5
1.2664620460026E+41
2 √n
12890.187004074
3 √n
549.7595874897
4 √n
113.5349593917
5 √n
44.066005788671
1 , 7 , 29 , 59 , 203 , 413 , 1711 , 11977 , 13873 , 97111 , 402317 , 818507 , 2816219 , 5729549 , 23736703 , 166156921
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
-166156920
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 166156921 can be divided by 16 positive divisors.
The sum of these divisors (counting 166156921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111001110101101001111001
3
Ternary
102120122122110001
4
Quaternary
21321311221321
5
Quinary
320014010141
6
Senary
24253153001
8
Octal
1171655171
10
Decimal
166156921
12
Duodecimal
4778b761
16
Hexadecimal
9e75a79
20
Vigesimal
2bi9c61
36
Base36
2qxbi1
md5
b4b66982b3bf7a1bfba334c42e9c2e5a
sha1
908ca92ab1fccf4acb500a2f48e95a0bfdd7576a
sha256
16324ed356c82d3309abab262aaa13ff9c1421af6f6f0b6ec97d86977016c8f6
sha512
c04060c2fd4a27f24f8c29c0a3379311b859fbab4580ece2ec4ae370208ed8fc43fc79b0e686be2fc4a2a26a66352f38c4fd16b816e63819c3cde941ff24a6f6
ripemd-160
35103a9ca07f5de9e117abdfb2ed6ef58058f086
Diameter
332313842
Circumference
1043994724.7134
Area
8.6733474499311E+16
Volume
1.9215156093917E+25
Surface area
3.4693389799724E+17
Circumference
1043994724.7134
Perimeter
664627684
Area
27608122396200241
Diagonal
234981371.16035
Surface area
165648734377201446
Volume
4.5872806119438E+24
Space diagonal
287792229.20121
Perimeter
498470763
Area
1.195466767295E+16
Altitude
143896114.6006
Surface area
1.195466767295E+16
Volume
5.4061620465184E+23
Height
78327123.720118