161449 is an odd 6-digits composite number following 161448
and preceding 161450 . In scientific notation, it is written as 1.61449 × 10^5.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 151936 positive integers (up to 161449) that are relatively prime to 161449.
161449 has 4 divisors, whose sum is 170964
The reverse of 161449 is 944161
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 25
Digital Root 7
Name
one hundred sixty-one thousand four hundred forty-nine
Scientific notation
1.61449 × 10^5
Engineering notation
1.61449 × 10^3
Prime Factorization
17 × 9497
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161449
Product of the distinct prime numbers
The prime factorization of 161449 is 17 × 9497.
Since it has a total of 2 prime factors.
8 , 1 , 24 , 60 , 352 , 566 , 8008 , 9499 , 78611 , 37963 , 361311 , 940082 , 3533115 , 5017751 , 54992750 , 88592306 , 815858017 , 818634004 , 5699088713 , 4524057057
n×2
322898
n×3
484347
n×4
645796
n×5
807245
n÷2
80724.5
n÷3
53816.333333333
n÷3
40362.25
n÷5
32289.8
n2
26065779601
n3
4208294050801849
n4
6.7942486620791E+20
n5
1.096924652244E+26
2 √n
401.80716768121
3 √n
54.451743047944
4 √n
20.045128277994
5 √n
11.005431420759
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
-161448
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 161449 can be divided by 4 positive divisors.
The sum of these divisors (counting 161449) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011010101001
3
Ternary
22012110121
4
Quaternary
213122221
5
Quinary
20131244
6
Senary
3243241
8
Octal
473251
10
Decimal
161449
12
Duodecimal
79521
16
Hexadecimal
276a9
20
Vigesimal
103c9
36
Base36
3gkp
md5
1b07d64358a2737707e8dd50a67c448a
sha1
b6d7888f3418d2234599b34d54889f408a478ba6
sha256
d494b1216e799efc723e57f18c43cb640f9a4799b7e930d3b16dc43eefa35140
sha512
a51c39a2cff30726f07fca18554638eb06af1308439a18c58aafa060195941444bb835706f0d8a30ce8ebc7819b00d44d90ae33f725e14d0665062e47d51e64d
ripemd-160
23998d3e7c91f2388dd6856b123753c8e22bf386
Diameter
322898
Circumference
1014413.9846588
Area
81888061704.592
Volume
1.762766089886E+16
Surface area
327552246818.37
Circumference
1014413.9846588
Perimeter
645796
Area
26065779601
Diagonal
228323.36543157
Surface area
156394677606
Volume
4208294050801849
Space diagonal
279637.87083119
Perimeter
484347
Area
11286813651.956
Altitude
139818.93541559
Surface area
11286813651.956
Volume
4.959522100915E+14
Height
76107.788477191