161481 is an odd 6-digits composite number following 161480
and preceding 161482 . In scientific notation, it is written as 1.61481 × 10^5.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 101952 positive integers (up to 161481) that are relatively prime to 161481.
161481 has 8 divisors, whose sum is 226720
The reverse of 161481 is 184161
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 21
Digital Root 3
Name
one hundred sixty-one thousand four hundred eighty-one
Scientific notation
1.61481 × 10^5
Engineering notation
1.61481 × 10^3
Prime Factorization
3 × 19 × 2833
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161481
Product of the distinct prime numbers
The prime factorization of 161481 is 3 × 19 × 2833.
Since it has a total of 3 prime factors.
7 , 1 , 17 , 68 , 892 , 602 , 3372 , 126 , 65162 , 69062 , 519802 , 898206 , 6176757 , 1913069 , 88987004 , 91418244 , 88029093 , 261335969 , 1830566053 , 8937070227
n×2
322962
n×3
484443
n×4
645924
n×5
807405
n÷2
80740.5
n÷3
53827
n÷3
40370.25
n÷5
32296.2
n2
26076113361
n3
4210796861647641
n4
6.7996368801572E+20
n5
1.0980121630447E+26
2 √n
401.8469858043
3 √n
54.455340346304
4 √n
20.046121465368
5 √n
11.005867652495
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
-161480
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 161481 can be divided by 8 positive divisors.
The sum of these divisors (counting 161481) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011011001001
3
Ternary
22012111210
4
Quaternary
213123021
5
Quinary
20131411
6
Senary
3243333
8
Octal
473311
10
Decimal
161481
12
Duodecimal
79549
16
Hexadecimal
276c9
20
Vigesimal
103e1
36
Base36
3gll
md5
d80d27142377b16c96e657adc35795d7
sha1
604896dcbab40cd4c134bc3bb520df2abc921ee9
sha256
95e33520d4b3b73226c3bbe49f8952f2c04da1fb0f225b8f6c7855160ab227a0
sha512
5a931910d2928a15cd0b2d8126e1458871d49ca755c4166933f374b69d79e98b4ebe1bf9737f9ccce809bc8c6c3847e05528915851f73f28fdabab4f8c1857b9
ripemd-160
4369796c0cee467d8d3488df11d4cb4a8fa3e26f
Diameter
322962
Circumference
1014615.0465887
Area
81920526169.092
Volume
1.7638144648415E+16
Surface area
327682104676.37
Circumference
1014615.0465887
Perimeter
645924
Area
26076113361
Diagonal
228368.62026557
Surface area
156456680166
Volume
4210796861647641
Space diagonal
279693.29645703
Perimeter
484443
Area
11291288301.294
Altitude
139846.64822851
Surface area
11291288301.294
Volume
4.9624716917835E+14
Height
76122.873421857