281330442 is an even 9-digits composite number following 281330441
and preceding 281330443 . In scientific notation, it is written as 2.81330442 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 93776796 positive integers (up to 281330442) that are relatively prime to 281330442.
281330442 has 16 divisors, whose sum is 625178880
The reverse of 281330442 is 244033182
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred eighty-one million three hundred thirty thousand four hundred forty-two
Scientific notation
2.81330442 × 10^8
Engineering notation
2.81330442 × 10^6
Prime Factorization
2 × 9 × 3 × 5209823
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
281330442
Product of the distinct prime numbers
The prime factorization of 281330442 is 2 × 9 × 3 × 5209823.
Since it has a total of 4 prime factors.
9 , 2 , 92 , 26 , 632 , 407 , 9960 , 4506 , 61979 , 83706 , 646532 , 884133 , 1747737 , 6699821 , 56060854 , 53210257 , 485440756 , 604516054 , 6157615379 , 1273683872
n×2
562660884
n×3
843991326
n×4
1125321768
n×5
1406652210
n÷2
140665221
n÷3
93776814
n÷3
70332610.5
n÷5
56266088.4
n2
79146817595915364
n3
2.2266409177152E+25
n4
6.2642187355611E+33
n5
1.7623154256601E+42
2 √n
16772.907976854
3 √n
655.24780709544
4 √n
129.51026205229
5 √n
48.960218318686
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 5209823 , 10419646 , 15629469 , 31258938 , 46888407 , 93776814 , 140665221 , 281330442
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-281330441
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 281330442 can be divided by 16 positive divisors.
The sum of these divisors (counting 281330442) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10000110001001100001100001010
3
Ternary
201121101001211000
4
Quaternary
100301030030022
5
Quinary
1034010033232
6
Senary
43525515430
8
Octal
2061141412
10
Decimal
281330442
12
Duodecimal
7a272b76
16
Hexadecimal
10c4c30a
20
Vigesimal
47i6622
36
Base36
4nhvyi
md5
42989c24ef28eb8345eb1b87e85706ae
sha1
1d2ba46421f1fe5944bc2200e8a2f8bc0b81f261
sha256
2275ee45eb9a9ed12caa19412e03ae8e5b340b6a22f49028558689f56253d685
sha512
853c08597d8ee6bb78ac3ac193c83fc83ea3b8c8d6c3cc065fc948d80372f791e3caba7c0cb8769abb1ad4c46be17780392df8f8da3434a2c05114852fcbcab3
ripemd-160
0954ef9aa02c4f7103e10ae0642f9c01a3247474
Diameter
562660884
Circumference
1767651299.6367
Area
2.4864706071434E+17
Volume
9.3269316657021E+25
Surface area
9.9458824285736E+17
Circumference
1767651299.6367
Perimeter
1125321768
Area
79146817595915364
Diagonal
397861326.58482
Surface area
474880905575492184
Volume
2.2266409177152E+25
Space diagonal
487278619.25981
Perimeter
843991326
Area
3.4271577333378E+16
Altitude
243639309.6299
Surface area
3.4271577333378E+16
Volume
2.6241214869731E+24
Height
132620442.19494