161609 is an odd 6-digits composite number following 161608
and preceding 161610 . In scientific notation, it is written as 1.61609 × 10^5.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 138516 positive integers (up to 161609) that are relatively prime to 161609.
161609 has 4 divisors, whose sum is 184704
The reverse of 161609 is 906161
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 23
Digital Root 5
Name
one hundred sixty-one thousand six hundred nine
Scientific notation
1.61609 × 10^5
Engineering notation
1.61609 × 10^3
Prime Factorization
7 × 23087
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161609
Product of the distinct prime numbers
The prime factorization of 161609 is 7 × 23087.
Since it has a total of 2 prime factors.
2 , 2 , 11 , 94 , 36 , 75 , 2824 , 4825 , 40310 , 15253 , 759115 , 629901 , 897383 , 4430431 , 4618670 , 73156971 , 973195560 , 226924863 , 5215836055 , 7843511454
n×2
323218
n×3
484827
n×4
646436
n×5
808045
n÷2
80804.5
n÷3
53869.666666667
n÷3
40402.25
n÷5
32321.8
n2
26117468881
n3
4220818028389529
n4
6.8212218075E+20
n5
1.1023708350883E+26
2 √n
402.00621885737
3 √n
54.469724789221
4 √n
20.050092739371
5 √n
11.007611888171
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
-161608
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 161609 can be divided by 4 positive divisors.
The sum of these divisors (counting 161609) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011101001001
3
Ternary
22012200112
4
Quaternary
213131021
5
Quinary
20132414
6
Senary
3244105
8
Octal
473511
10
Decimal
161609
12
Duodecimal
79635
16
Hexadecimal
27749
20
Vigesimal
10409
36
Base36
3gp5
md5
75f30f4c3f3d75c40626c8a2ecef074f
sha1
a197e7b8e9d928b199a8daca1c401be7c6b8ac0b
sha256
c7a5e47565ae09ac8c2daabac52d9b2079da8019581ff837a47d7b129d7ee6d5
sha512
2ac0de02e9b6e846def3faa9fdf6027f9a2ae8a78155d78847a110dc1dd72af35315e3cd839d15a52a24f095cb65b09ab6f2a7d3eb7456c2bf11a8f5fdbcee47
ripemd-160
32d997e3974af1cbc73cfe00472e7fc7fee8cd2e
Diameter
323218
Circumference
1015419.294308
Area
82050448366.91
Volume
1.7680121213504E+16
Surface area
328201793467.64
Circumference
1015419.294308
Perimeter
646436
Area
26117468881
Diagonal
228549.63960155
Surface area
156704813286
Volume
4220818028389529
Space diagonal
279914.9989604
Perimeter
484827
Area
11309195766.748
Altitude
139957.4994802
Surface area
11309195766.748
Volume
4.9742817500478E+14
Height
76183.213200518