161723242 is an even 9-digits composite number following 161723241
and preceding 161723243 . In scientific notation, it is written as 1.61723242 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 80861620 positive integers (up to 161723242) that are relatively prime to 161723242.
161723242 has 4 divisors, whose sum is 242584866
The reverse of 161723242 is 242327161
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred sixty-one million seven hundred twenty-three thousand two hundred forty-two
Scientific notation
1.61723242 × 10^8
Engineering notation
1.61723242 × 10^6
Prime Factorization
2 × 80861621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161723242
Product of the distinct prime numbers
The prime factorization of 161723242 is 2 × 80861621.
Since it has a total of 2 prime factors.
8 , 7 , 48 , 84 , 502 , 843 , 5924 , 6897 , 71033 , 43101 , 177471 , 71428 , 5659179 , 4271224 , 72696586 , 59129845 , 183737467 , 587058191 , 9652038515 , 8069112601
n×2
323446484
n×3
485169726
n×4
646892968
n×5
808616210
n÷2
80861621
n÷3
53907747.333333
n÷3
40430810.5
n÷5
32344648.4
n2
26154407002990564
n3
4.2297754931111E+24
n4
6.8405300567808E+32
n5
1.106272697781E+41
2 √n
12717.045332938
3 √n
544.82556716041
4 √n
112.769877773
5 √n
43.828286082199
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161723241
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161723242 can be divided by 4 positive divisors.
The sum of these divisors (counting 161723242) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000111011001101101010
3
Ternary
102021022101120201
4
Quaternary
21220323031222
5
Quinary
312400120432
6
Senary
24014142414
8
Octal
1150731552
10
Decimal
161723242
12
Duodecimal
461b1a0a
16
Hexadecimal
9a3b36a
20
Vigesimal
2aaf822
36
Base36
2oaaga
md5
5d1d616f536b1e91a2ae5baa5d20a423
sha1
695c3d1dbbd00adec191de9ed89adda8b5b64fff
sha256
c63fd6e35afa99f48c32010d25ba4f2dacd80b0b161ddaaf4d3151691bdd138b
sha512
2a9c9f3e40cdfd0fbbbfbbd777fe0cb1008c0a835ae0d8a0377225df84eb75d74be9eee4525f2b956f993c6e983f1d5e5bfa4894c0bca81a04e8de58fc64c8eb
ripemd-160
5eef13cb1d51a3da09680c59422e2ad1c028c7e9
Diameter
323446484
Circumference
1016137097.9638
Area
8.2166492899593E+16
Volume
1.7717642153989E+25
Surface area
3.2866597159837E+17
Circumference
1016137097.9638
Perimeter
646892968
Area
26154407002990564
Diagonal
228711202.18735
Surface area
156926442017943384
Volume
4.2297754931111E+24
Space diagonal
280112871.90876
Perimeter
485169726
Area
1.1325190442754E+16
Altitude
140056435.95438
Surface area
1.1325190442754E+16
Volume
4.9848382234593E+23
Height
76237067.395782