161009909 is an odd 9-digits composite number following 161009908
and preceding 161009910 . In scientific notation, it is written as 1.61009909 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 158850720 positive integers (up to 161009909) that are relatively prime to 161009909.
161009909 has 8 divisors, whose sum is 163180992
The reverse of 161009909 is 909900161
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred sixty-one million nine thousand nine hundred nine
Scientific notation
1.61009909 × 10^8
Engineering notation
1.61009909 × 10^6
Prime Factorization
103 × 281 × 5563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161009909
Product of the distinct prime numbers
The prime factorization of 161009909 is 103 × 281 × 5563.
Since it has a total of 3 prime factors.
8 , 6 , 53 , 67 , 36 , 270 , 6854 , 8629 , 56991 , 76562 , 16055 , 662052 , 7325135 , 7132676 , 29616254 , 13941491 , 278431171 , 877356858 , 5877511899 , 5545357621
n×2
322019818
n×3
483029727
n×4
644039636
n×5
805049545
n÷2
80504954.5
n÷3
53669969.666667
n÷3
40252477.25
n÷5
32201981.8
n2
25924190796188281
n3
4.1740516009929E+24
n4
6.7206366843717E+32
n5
1.0820891009728E+41
2 √n
12688.968003742
3 √n
544.02334300966
4 √n
112.64531949328
5 √n
43.789553901037
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
-161009908
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 161009909 can be divided by 8 positive divisors.
The sum of these divisors (counting 161009909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001101000011110101
3
Ternary
102012222011001222
4
Quaternary
21212031003311
5
Quinary
312204304114
6
Senary
23551000125
8
Octal
1146150365
10
Decimal
161009909
12
Duodecimal
45b09045
16
Hexadecimal
998d0f5
20
Vigesimal
2a664f9
36
Base36
2nv01h
md5
5994b7c46b691ec203dfc6330bea2638
sha1
a4061b43f5073909a280dfbf96f89c9442490f14
sha256
fa8cca81f31a26101a4e9ee220ae7b4b34c2646da690cc65dd917e57935bad4b
sha512
d2084aa437d064f711a65b80a84becfff0bdf957bbcc016410d905c995ed3b580f95be80dbb44ebb593d5db9c9487c0122709fdf19b274aa7435515a011cd419
ripemd-160
ccafc090905f8f8739ab0fbf9f4859ecf223b870
Diameter
322019818
Circumference
1011655094.5391
Area
8.1443247355565E+16
Volume
1.7484226460512E+25
Surface area
3.2577298942226E+17
Circumference
1011655094.5391
Perimeter
644039636
Area
25924190796188281
Diagonal
227702396.98426
Surface area
155545144777129686
Volume
4.1740516009929E+24
Space diagonal
278877342.91004
Perimeter
483029727
Area
1.1225503901027E+16
Altitude
139438671.45502
Surface area
1.1225503901027E+16
Volume
4.9191669868078E+23
Height
75900798.994753