161009809 is an odd 9-digits prime number following 161009808
and preceding 161009810 . In scientific notation, it is written as 1.61009809 × 10^8.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 161009808 positive integers (up to 161009809) that are relatively prime to 161009809.
161009809 has 2 divisors, whose sum is 161009810
The reverse of 161009809 is 908900161
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred sixty-one million nine thousand eight hundred nine
Scientific notation
1.61009809 × 10^8
Engineering notation
1.61009809 × 10^6
Prime Factorization
161009809
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
161009809
Product of the distinct prime numbers
The prime factorization of 161009809 is 161009809.
Since it has a total of 1 prime factors.
2 , 6 , 99 , 51 , 23 , 934 , 6266 , 4353 , 70215 , 31490 , 123596 , 701802 , 5941071 , 8196670 , 34310214 , 71508238 , 149467982 , 439685766 , 1458341532 , 4170717786
n×2
322019618
n×3
483029427
n×4
644039236
n×5
805049045
n÷2
80504904.5
n÷3
53669936.333333
n÷3
40252452.25
n÷5
32201961.8
n2
25924158594216481
n3
4.1740438237405E+24
n4
6.7206199881809E+32
n5
1.0820857406586E+41
2 √n
12688.964063311
3 √n
544.02323038233
4 √n
112.64530200284
5 √n
43.789548461674
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
161009810
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
80504905
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12688.964102715
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999875784
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161009809 can be divided by 2 positive divisors.
The sum of these divisors (counting 161009809) is 161009810, the average is 80504905.
Base
System
Value
2
Binary
1001100110001101000010010001
3
Ternary
102012222010221021
4
Quaternary
21212031002101
5
Quinary
312204303214
6
Senary
23550555441
8
Octal
1146150221
10
Decimal
161009809
12
Duodecimal
45b08b81
16
Hexadecimal
998d091
20
Vigesimal
2a664a9
36
Base36
2nuzyp
md5
3a7de0e0f3e04f81ff8d68b00b11ebc6
sha1
2e6af8bdd57ff9780942176cea04f9cbf07a0112
sha256
fddeedb3d06ff9e76f267ce22d9ab7fdce52e04c397055b1f6c08e970457fc7d
sha512
233a4b46162fa36edc9810696b6efb44f291a58d174afcb94d5be9054bb97b20fc25904f88cb2ddf1afe6a16d7085614f9e7f6297fb8f31b2f9c6709e135cd55
ripemd-160
c8744b3af74a3a779734aded5d5d16436892d1ba
Diameter
322019618
Circumference
1011654466.2206
Area
8.1443146190087E+16
Volume
1.7484193883233E+25
Surface area
3.2577258476035E+17
Circumference
1011654466.2206
Perimeter
644039236
Area
25924158594216481
Diagonal
227702255.5629
Surface area
155544951565298886
Volume
4.1740438237405E+24
Space diagonal
278877169.70496
Perimeter
483029427
Area
1.1225489957164E+16
Altitude
139438584.85248
Surface area
1.1225489957164E+16
Volume
4.9191578212279E+23
Height
75900751.854301