161750225 is an odd 9-digits composite number following 161750224
and preceding 161750226 . In scientific notation, it is written as 1.61750225 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 102312000 positive integers (up to 161750225) that are relatively prime to 161750225.
161750225 has 12 divisors, whose sum is 188370864
The reverse of 161750225 is 522057161
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred sixty-one million seven hundred fifty thousand two hundred twenty-five
Scientific notation
1.61750225 × 10^8
Engineering notation
1.61750225 × 10^6
Prime Factorization
2275 × 7 × 7 × 1451
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
23107175
Product of the distinct prime numbers
The prime factorization of 161750225 is 2275 × 7 × 7 × 1451.
Since it has a total of 4 prime factors.
8 , 8 , 39 , 74 , 567 , 136 , 7488 , 2295 , 94654 , 95945 , 47341 , 329790 , 5415213 , 2763975 , 46349593 , 90217765 , 486073605 , 590836301 , 8771093353 , 5651545144
n×2
323500450
n×3
485250675
n×4
647000900
n×5
808751125
n÷2
80875112.5
n÷3
53916741.666667
n÷3
40437556.25
n÷5
32350045
n2
26163135287550625
n3
4.2318930194668E+24
n4
6.8450964807468E+32
n5
1.1071958959075E+41
2 √n
12718.106187637
3 √n
544.85586627011
4 √n
112.77458130109
5 √n
43.829748506165
1 , 7 , 49 , 1451 , 2275 , 10157 , 15925 , 71099 , 111475 , 3301025 , 23107175 , 161750225
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
-161750224
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 161750225 can be divided by 12 positive divisors.
The sum of these divisors (counting 161750225) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101001000001110011010001
3
Ternary
102021100202121002
4
Quaternary
21221001303101
5
Quinary
312402001400
6
Senary
24014511345
8
Octal
1151016321
10
Decimal
161750225
12
Duodecimal
46205555
16
Hexadecimal
9a41cd1
20
Vigesimal
2aaifb5
36
Base36
2oav9t
md5
1c7288f66a3f00d8300ac0379ca00a55
sha1
f2232453ce249ea8b7dc6adc14523485a3163fde
sha256
e1644e2e3a1a34cb3f228b0fa9bd3538811c8ffa4b4a83b4d361423d8ea9d7bf
sha512
ccf123bb6b03b7867275b2e785fa594ebdb1769bb8be434adad8d9221b796de73bf7b7b2cec173d015955dbcfe014422166eb9a47d5153eaebd071fb2ccdf27b
ripemd-160
33621666ac04a6c29f1e0bb3cd54ec287de12a48
Diameter
323500450
Circumference
1016306637.153
Area
8.2193913614245E+16
Volume
1.7726512027646E+25
Surface area
3.2877565445698E+17
Circumference
1016306637.153
Perimeter
647000900
Area
26163135287550625
Diagonal
228749361.9119
Surface area
156978811725303750
Volume
4.2318930194668E+24
Space diagonal
280159607.8357
Perimeter
485250675
Area
1.1328969900834E+16
Altitude
140079803.91785
Surface area
1.1328969900834E+16
Volume
4.9873337522016E+23
Height
76249787.303967