21342642 is an even 8-digits composite number following 21342641
and preceding 21342643 . In scientific notation, it is written as 2.1342642 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 7066800 positive integers (up to 21342642) that are relatively prime to 21342642.
21342642 has 16 divisors, whose sum is 42969792
The reverse of 21342642 is 24624312
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million three hundred forty-two thousand six hundred forty-two
Scientific notation
2.1342642 × 10^7
Engineering notation
2.1342642 × 10^6
Prime Factorization
2 × 3 × 151 × 23557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21342642
Product of the distinct prime numbers
The prime factorization of 21342642 is 2 × 3 × 151 × 23557.
Since it has a total of 4 prime factors.
5 , 10 , 73 , 21 , 506 , 429 , 8437 , 6790 , 75197 , 86390 , 949883 , 968100 , 6240866 , 942930 , 32307831 , 4340835 , 607453747 , 85661229 , 3618084979 , 5403798141
n×2
42685284
n×3
64027926
n×4
85370568
n×5
106713210
n÷2
10671321
n÷3
7114214
n÷3
5335660.5
n÷5
4268528.4
n2
455508367540164
n3
9.7217520164141E+21
n4
2.0748787289911E+29
n5
4.4283393906271E+36
2 √n
4619.809736342
3 √n
277.38484305557
4 √n
67.969182254474
5 √n
29.231401352644
1 , 2 , 3 , 6 , 151 , 302 , 453 , 906 , 23557 , 47114 , 70671 , 141342 , 3557107 , 7114214 , 10671321 , 21342642
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
-21342641
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 21342642 can be divided by 16 positive divisors.
The sum of these divisors (counting 21342642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001011010100110110010
3
Ternary
1111011022121020
4
Quaternary
1101122212302
5
Quinary
20430431032
6
Senary
2041240310
8
Octal
121324662
10
Decimal
21342642
12
Duodecimal
7193096
16
Hexadecimal
145a9b2
20
Vigesimal
6d7gc2
36
Base36
cpg36
md5
a153b62677a4da86e34994bcb5d9e9ce
sha1
e26e7e009332b8972e6cc54e11fe109210857ad4
sha256
c820e44c93c38fabe4bbec4cbddffd67c1e243c524fafa92b191f7825e69bfe0
sha512
5e3208434755a3e742ebab6002af886cdf54667e8da6673ae61243efb30d59ed49566b1187188d4e89dfadd84eb5ea781a26b9d9bbcb0d3ee8503736dfd49c97
ripemd-160
78911b9a18f912b368339c103af7167990963a11
Diameter
42685284
Circumference
134099774.63079
Area
1.4310217411129E+15
Volume
4.0722379619718E+22
Surface area
5.7240869644514E+15
Circumference
134099774.63079
Perimeter
85370568
Area
455508367540164
Diagonal
30183053.773274
Surface area
2733050205240984
Volume
9.7217520164141E+21
Space diagonal
36966540.311753
Perimeter
64027926
Area
1.9724090896308E+14
Altitude
18483270.155877
Surface area
1.9724090896308E+14
Volume
1.1457194626367E+21
Height
10061017.924425