161331609 is an odd 9-digits composite number following 161331608
and preceding 161331610 . In scientific notation, it is written as 1.61331609 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 106733120 positive integers (up to 161331609) that are relatively prime to 161331609.
161331609 has 8 divisors, whose sum is 216751392
The reverse of 161331609 is 906133161
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred sixty-one million three hundred thirty-one thousand six hundred nine
Scientific notation
1.61331609 × 10^8
Engineering notation
1.61331609 × 10^6
Prime Factorization
3 × 131 × 410513
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161331609
Product of the distinct prime numbers
The prime factorization of 161331609 is 3 × 131 × 410513.
Since it has a total of 3 prime factors.
9 , 3 , 14 , 89 , 564 , 421 , 2763 , 5012 , 45640 , 14983 , 588474 , 204566 , 2853256 , 4491991 , 49840534 , 37342015 , 319701487 , 782956032 , 4901330935 , 615033466
n×2
322663218
n×3
483994827
n×4
645326436
n×5
806658045
n÷2
80665804.5
n÷3
53777203
n÷3
40332902.25
n÷5
32266321.8
n2
26027888062528881
n3
4.1991210599997E+24
n4
6.7745095699553E+32
n5
1.0929425291068E+41
2 √n
12701.638043969
3 √n
544.38542399533
4 √n
112.70154410641
5 √n
43.807038358445
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
-161331608
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 161331609 can be divided by 8 positive divisors.
The sum of these divisors (counting 161331609) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111011011100110011001
3
Ternary
102020120111100210
4
Quaternary
21213123212121
5
Quinary
312300102414
6
Senary
24001521333
8
Octal
1147334631
10
Decimal
161331609
12
Duodecimal
46043249
16
Hexadecimal
99db999
20
Vigesimal
2a86909
36
Base36
2o1w9l
md5
7ace5d12a0b47d6d85ffc63352e7b05c
sha1
bd58586a70d25c4543749babcd689739f3f076a7
sha256
d00678d7bcac5f2493c56df350c955f4a55e8919d069c2513f663817455da5f8
sha512
2b65a8e80294154d1fa50d85d7e8d2c4662523be31d99b7d95342e9f3243057a0bf02d891904819b0aa954239910001cdc40c18f1d3e16bdb4a523adfb192989
ripemd-160
934ced80b63b1f0d5be866ca9275c5bbab4659ef
Diameter
322663218
Circumference
1013676395.2524
Area
8.1769021925698E+16
Volume
1.7589237164839E+25
Surface area
3.2707608770279E+17
Circumference
1013676395.2524
Perimeter
645326436
Area
26027888062528881
Diagonal
228157349.48727
Surface area
156167328375173286
Volume
4.1991210599997E+24
Space diagonal
279434543.65484
Perimeter
483994827
Area
1.1270406134504E+16
Altitude
139717271.82742
Surface area
1.1270406134504E+16
Volume
4.9487116275817E+23
Height
76052449.829091