21462642 is an even 8-digits composite number following 21462641
and preceding 21462643 . In scientific notation, it is written as 2.1462642 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 7154208 positive integers (up to 21462642) that are relatively prime to 21462642.
21462642 has 12 divisors, whose sum is 46502430
The reverse of 21462642 is 24626412
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million four hundred sixty-two thousand six hundred forty-two
Scientific notation
2.1462642 × 10^7
Engineering notation
2.1462642 × 10^6
Prime Factorization
2 × 3 × 3 × 1192369
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7154214
Product of the distinct prime numbers
The prime factorization of 21462642 is 2 × 3 × 3 × 1192369.
Since it has a total of 4 prime factors.
7 , 6 , 29 , 47 , 90 , 137 , 1053 , 1909 , 97593 , 16676 , 986499 , 695111 , 7031753 , 1479088 , 59700328 , 94459518 , 332233639 , 48296446 , 8433142752 , 2682826170
n×2
42925284
n×3
64387926
n×4
85850568
n×5
107313210
n÷2
10731321
n÷3
7154214
n÷3
5365660.5
n÷5
4292528.4
n2
460645001620164
n3
9.886658758863E+21
n4
2.1219381751764E+29
n5
4.5542399399945E+36
2 √n
4632.779079559
3 √n
277.90374149586
4 √n
68.064521445163
5 √n
29.264198657082
1 , 2 , 3 , 6 , 9 , 18 , 1192369 , 2384738 , 3577107 , 7154214 , 10731321 , 21462642
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21462641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21462642 can be divided by 12 positive divisors.
The sum of these divisors (counting 21462642) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001110111111001110010
3
Ternary
1111101102012200
4
Quaternary
1101313321302
5
Quinary
20443301032
6
Senary
2044004030
8
Octal
121677162
10
Decimal
21462642
12
Duodecimal
7230616
16
Hexadecimal
1477e72
20
Vigesimal
6e2gc2
36
Base36
cs0oi
md5
2e18cd698ed430908d6a71801f5b62a4
sha1
8621bd9c2ab5deecbcf6b911e42528c3dde35916
sha256
31f4bef861859b01be3eff38c2bd86cb76d22c51aad99904916952d4c69c7d77
sha512
8e269bcc8185bd7ad16caabe23bb9b042545cccc84394f2dec68e5a5a56a2cb17edb5241a47bd940a0f23fb476a8fafcc343aaa56dede5ece104ad1a7b1c6f13
ripemd-160
845ee81c3b769c69783e499f3c18fce25fa89443
Diameter
42925284
Circumference
134853756.86766
Area
1.4471589530028E+15
Volume
4.1413139367191E+22
Surface area
5.7886358120111E+15
Circumference
134853756.86766
Perimeter
85850568
Area
460645001620164
Diagonal
30352759.400758
Surface area
2763870009720984
Volume
9.886658758863E+21
Space diagonal
37174386.408662
Perimeter
64387926
Area
1.9946513676469E+14
Altitude
18587193.204331
Surface area
1.9946513676469E+14
Volume
1.1651539086116E+21
Height
10117586.466919