281684238 is an even 9-digits composite number following 281684237
and preceding 281684239 . In scientific notation, it is written as 2.81684238 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 84328800 positive integers (up to 281684238) that are relatively prime to 281684238.
281684238 has 16 divisors, whose sum is 440583696
The reverse of 281684238 is 832486182
Previous prime number is 83
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred eighty-one million six hundred eighty-four thousand two hundred thirty-eight
Scientific notation
2.81684238 × 10^8
Engineering notation
2.81684238 × 10^6
Prime Factorization
2 × 33 × 83 × 51421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
281684238
Product of the distinct prime numbers
The prime factorization of 281684238 is 2 × 33 × 83 × 51421.
Since it has a total of 4 prime factors.
4 , 6 , 75 , 42 , 28 , 418 , 972 , 216 , 5705 , 69119 , 694926 , 189144 , 5010499 , 8839476 , 27923201 , 59612371 , 549838422 , 316455269 , 3390021860 , 7734634609
n×2
563368476
n×3
845052714
n×4
1126736952
n×5
1408421190
n÷2
140842119
n÷3
93894746
n÷3
70421059.5
n÷5
56336847.6
n2
79346009937640644
n3
2.2350520347625E+25
n4
6.2957892930242E+33
n5
1.7734246096141E+42
2 √n
16783.45131372
3 √n
655.52236790505
4 √n
129.5509602964
5 √n
48.972526423241
1 , 2 , 33 , 66 , 83 , 166 , 2739 , 5478 , 51421 , 102842 , 1696893 , 3393786 , 4267943 , 8535886 , 140842119 , 281684238
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
-281684237
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 281684238 can be divided by 16 positive divisors.
The sum of these divisors (counting 281684238) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10000110010100010100100001110
3
Ternary
201122001001010120
4
Quaternary
100302202210032
5
Quinary
1034102343423
6
Senary
43541245410
8
Octal
2062424416
10
Decimal
281684238
12
Duodecimal
7a403866
16
Hexadecimal
10ca290e
20
Vigesimal
480aabi
36
Base36
4npgy6
md5
d53f6f4a2527c70d01c50452fe3a612a
sha1
d94492efd24eed59f27ea63c54554a86f4bad36d
sha256
5e5c47c7b4deff9de2c3396867375a0133ece0a3611eb871b924204b71249be6
sha512
df7b495e6b7d1bff399e515d7fc1e50b20858f21c6423d1aca412aecc3c98f602fe9d0cae93eb481f5b470245acbf7053fdd0cc80baa9bea0b3c76d08c9cc9f3
ripemd-160
04aa2906d79471356ceba917e78668f0750f3b05
Diameter
563368476
Circumference
1769874265.4657
Area
2.4927284191175E+17
Volume
9.3621640704009E+25
Surface area
9.9709136764702E+17
Circumference
1769874265.4657
Perimeter
1126736952
Area
79346009937640644
Diagonal
398361669.68633
Surface area
476076059625843864
Volume
2.2350520347625E+25
Space diagonal
487891411.90732
Perimeter
845052714
Area
3.4357830147465E+16
Altitude
243945705.95366
Surface area
3.4357830147465E+16
Volume
2.6340340834756E+24
Height
132787223.22878