161036725 is an odd 9-digits composite number following 161036724
and preceding 161036726 . In scientific notation, it is written as 1.61036725 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 125686400 positive integers (up to 161036725) that are relatively prime to 161036725.
161036725 has 12 divisors, whose sum is 204557220
The reverse of 161036725 is 527630161
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred sixty-one million thirty-six thousand seven hundred twenty-five
Scientific notation
1.61036725 × 10^8
Engineering notation
1.61036725 × 10^6
Prime Factorization
5 × 5 × 41 × 157109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
32207345
Product of the distinct prime numbers
The prime factorization of 161036725 is 5 × 5 × 41 × 157109.
Since it has a total of 4 prime factors.
10 , 4 , 17 , 40 , 681 , 123 , 4244 , 3519 , 85416 , 57383 , 932987 , 882594 , 7583000 , 8755292 , 67118386 , 16843869 , 941257080 , 412976536 , 5317210344 , 2868870815
n×2
322073450
n×3
483110175
n×4
644146900
n×5
805183625
n÷2
80518362.5
n÷3
53678908.333333
n÷3
40259181.25
n÷5
32207345
n2
25932826798725625
n3
4.176137497659E+24
n4
6.725115057727E+32
n5
1.0829905041445E+41
2 √n
12690.024625666
3 √n
544.05354347005
4 √n
112.65000943482
5 √n
43.791012423017
1 , 5 , 25 , 41 , 205 , 1025 , 157109 , 785545 , 3927725 , 6441469 , 32207345 , 161036725
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
-161036724
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 161036725 can be divided by 12 positive divisors.
The sum of these divisors (counting 161036725) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110010011100110110101
3
Ternary
102020000111212011
4
Quaternary
21212103212311
5
Quinary
312211133400
6
Senary
23551324221
8
Octal
1146234665
10
Decimal
161036725
12
Duodecimal
45b20671
16
Hexadecimal
99939b5
20
Vigesimal
2a69bg5
36
Base36
2nvkqd
md5
90bc6320632537528573718c72a97e9f
sha1
24e57b7e216b5a254a63de497311a9cc141471bf
sha256
36db4b930d750de71928779c24dde0f5e86f5c449ea55c1151d70bf66966d645
sha512
351bbb6982e5aaa30e9c0249b3f7bd34a2cb094a9f29ba460d3c82126932ff67271fcbdc2ec304de8793431893dd024b489e9db5b3f9053e23533c5477f9d788
ripemd-160
2297c392c9fbe0bce55e459539969b0a279ce231
Diameter
322073450
Circumference
1011823584.4363
Area
8.1470378157693E+16
Volume
1.7492963844035E+25
Surface area
3.2588151263077E+17
Circumference
1011823584.4363
Perimeter
644146900
Area
25932826798725625
Diagonal
227740320.53515
Surface area
155596960792353750
Volume
4.176137497659E+24
Space diagonal
278923789.5845
Perimeter
483110175
Area
1.1229243399819E+16
Altitude
139461894.79225
Surface area
1.1229243399819E+16
Volume
4.9216252396035E+23
Height
75913440.178382