161009265 is an odd 9-digits composite number following 161009264
and preceding 161009266 . In scientific notation, it is written as 1.61009265 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 85746432 positive integers (up to 161009265) that are relatively prime to 161009265.
161009265 has 8 divisors, whose sum is 171993600
The reverse of 161009265 is 562900161
Previous prime number is 14929
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred sixty-one million nine thousand two hundred sixty-five
Scientific notation
1.61009265 × 10^8
Engineering notation
1.61009265 × 10^6
Prime Factorization
15 × 14929 × 719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161009265
Product of the distinct prime numbers
The prime factorization of 161009265 is 15 × 14929 × 719.
Since it has a total of 3 prime factors.
5 , 7 , 99 , 97 , 907 , 988 , 3398 , 9941 , 55349 , 40722 , 910213 , 735041 , 3219068 , 3414500 , 15838559 , 64463939 , 653034955 , 543063612 , 2280100503 , 4562983613
n×2
322018530
n×3
483027795
n×4
644037060
n×5
805046325
n÷2
80504632.5
n÷3
53669755
n÷3
40252316.25
n÷5
32201853
n2
25923983415840225
n3
4.1740015156566E+24
n4
6.7205291614476E+32
n5
1.0820674606957E+41
2 √n
12688.942627343
3 √n
544.02261768887
4 √n
112.64520685472
5 √n
43.789518871494
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161009264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161009265 can be divided by 8 positive divisors.
The sum of these divisors (counting 161009265) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001100111001110001
3
Ternary
102012222010012010
4
Quaternary
21212030321301
5
Quinary
312204244030
6
Senary
23550553133
8
Octal
1146147161
10
Decimal
161009265
12
Duodecimal
45b087a9
16
Hexadecimal
998ce71
20
Vigesimal
2a66335
36
Base36
2nuzjl
md5
67f326031e72e70255561ac7b21e71b4
sha1
46e2532d8c42c32774382a1680d9ef751326f6f2
sha256
87ba7f3778e73b032e2e1f5195b3aab60d30d0afb31a8b1bd51e22cfb1815bd4
sha512
090b0349ae418b071195afcf248ad3577ca46c6730ea6c538f6adfa84f6ccf4b43dea288d60e42241a8452d27ca49bdb4cd87b78d17aa77eb85ecdb62b3c1691
ripemd-160
081310fbf4053d67218f3595ddc9933e54a1cc09
Diameter
322018530
Circumference
1011651048.1678
Area
8.1442595850987E+16
Volume
1.7484016663546E+25
Surface area
3.2577038340395E+17
Circumference
1011651048.1678
Perimeter
644037060
Area
25923983415840225
Diagonal
227701486.23072
Surface area
155543900495041350
Volume
4.1740015156566E+24
Space diagonal
278876227.46932
Perimeter
483027795
Area
1.1225414102702E+16
Altitude
139438113.73466
Surface area
1.1225414102702E+16
Volume
4.9191079606729E+23
Height
75900495.410241