161723225 is an odd 9-digits composite number following 161723224
and preceding 161723226 . In scientific notation, it is written as 1.61723225 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 129247680 positive integers (up to 161723225) that are relatively prime to 161723225.
161723225 has 12 divisors, whose sum is 200739756
The reverse of 161723225 is 522327161
Previous prime number is 1213
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred sixty-one million seven hundred twenty-three thousand two hundred twenty-five
Scientific notation
1.61723225 × 10^8
Engineering notation
1.61723225 × 10^6
Prime Factorization
5 × 5 × 1213 × 5333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
32344645
Product of the distinct prime numbers
The prime factorization of 161723225 is 5 × 5 × 1213 × 5333.
Since it has a total of 4 prime factors.
1 , 1 , 45 , 58 , 290 , 984 , 1194 , 6995 , 30336 , 50343 , 30878 , 838403 , 6072546 , 222494 , 49998551 , 52160564 , 167595073 , 760591662 , 4509044723 , 1874971691
n×2
323446450
n×3
485169675
n×4
646892900
n×5
808616125
n÷2
80861612.5
n÷3
53907741.666667
n÷3
40430806.25
n÷5
32344645
n2
26154401504400625
n3
4.2297741592365E+24
n4
6.8405271805339E+32
n5
1.1062721163361E+41
2 √n
12717.044664544
3 √n
544.82554807011
4 √n
112.76987480947
5 √n
43.828285160772
1 , 5 , 25 , 1213 , 5333 , 6065 , 26665 , 30325 , 133325 , 6468929 , 32344645 , 161723225
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161723224
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161723225 can be divided by 12 positive divisors.
The sum of these divisors (counting 161723225) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000111011001101011001
3
Ternary
102021022101120002
4
Quaternary
21220323031121
5
Quinary
312400120400
6
Senary
24014142345
8
Octal
1150731531
10
Decimal
161723225
12
Duodecimal
461b19b5
16
Hexadecimal
9a3b359
20
Vigesimal
2aaf815
36
Base36
2oaaft
md5
6250def78e623f29ba6b80ea859447c3
sha1
d1f9c66dad6ade1ad66ffd2cc312149ad593753a
sha256
1274d03ecc57e0f77f569d67ac3ec8f2ab9d4e04fb5a7462aecb871a36b25e4b
sha512
7dcaf70a65792e1456013ab4f9fbf900f12abb5f41cff773b1d0a3560e74f1d10a55e14f4fb2f9c1b883b2d8d1b2234a9fb25097f82faad7ca9609e3e584b27f
ripemd-160
d82ef1f50440f7f7848a3bdeeb9117c0e8108689
Diameter
323446450
Circumference
1016136991.1497
Area
8.2166475625263E+16
Volume
1.7717636566669E+25
Surface area
3.2866590250105E+17
Circumference
1016136991.1497
Perimeter
646892900
Area
26154401504400625
Diagonal
228711178.14572
Surface area
156926409026403750
Volume
4.2297741592365E+24
Space diagonal
280112842.46389
Perimeter
485169675
Area
1.1325188061794E+16
Altitude
140056421.23195
Surface area
1.1325188061794E+16
Volume
4.984836651473E+23
Height
76237059.381905