161009917 is an odd 9-digits composite number following 161009916
and preceding 161009918 . In scientific notation, it is written as 1.61009917 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 160923580 positive integers (up to 161009917) that are relatively prime to 161009917.
161009917 has 4 divisors, whose sum is 161096256
The reverse of 161009917 is 719900161
Previous prime number is 1907
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred sixty-one million nine thousand nine hundred seventeen
Scientific notation
1.61009917 × 10^8
Engineering notation
1.61009917 × 10^6
Prime Factorization
1907 × 84431
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161009917
Product of the distinct prime numbers
The prime factorization of 161009917 is 1907 × 84431.
Since it has a total of 2 prime factors.
3 , 1 , 62 , 53 , 773 , 586 , 8939 , 6608 , 17827 , 26260 , 890827 , 663603 , 6238384 , 2177347 , 52251059 , 65394785 , 303033966 , 522054581 , 1514203979 , 3675745931
n×2
322019834
n×3
483029751
n×4
644039668
n×5
805049585
n÷2
80504958.5
n÷3
53669972.333333
n÷3
40252479.25
n÷5
32201983.4
n2
25924193372346889
n3
4.1740522231735E+24
n4
6.7206380200683E+32
n5
1.0820893697982E+41
2 √n
12688.968318977
3 √n
544.02335201984
4 √n
112.64532089251
5 √n
43.789554336186
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161009916
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161009917 can be divided by 4 positive divisors.
The sum of these divisors (counting 161009917) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001101000011111101
3
Ternary
102012222011002021
4
Quaternary
21212031003331
5
Quinary
312204304132
6
Senary
23551000141
8
Octal
1146150375
10
Decimal
161009917
12
Duodecimal
45b09051
16
Hexadecimal
998d0fd
20
Vigesimal
2a664fh
36
Base36
2nv01p
md5
2268f9649a6ae471ecbb095b3a2be811
sha1
e369965a4a2c476dd0f55db1e537554dc36dda92
sha256
75b755813bb80824a6dbe13bc066f2119eaf7352a875d8d783da657914cab4b7
sha512
80f20bbb701373135bb5cc2285409cc7b2dc8556ca8750663011abe9b6953946f6f7f27d99d3baa1d219ee71d9a628586ae9ef94be3f8e3adcddebb947c77706
ripemd-160
ad78bbbe17ce9d162d87853fae19f2de0dde6433
Diameter
322019834
Circumference
1011655144.8046
Area
8.1443255448806E+16
Volume
1.7484229066696E+25
Surface area
3.2577302179522E+17
Circumference
1011655144.8046
Perimeter
644039668
Area
25924193372346889
Diagonal
227702408.29797
Surface area
155545160234081334
Volume
4.1740522231735E+24
Space diagonal
278877356.76645
Perimeter
483029751
Area
1.1225505016536E+16
Altitude
139438678.38322
Surface area
1.1225505016536E+16
Volume
4.9191677200546E+23
Height
75900802.765989