21492946 is an even 8-digits composite number following 21492945
and preceding 21492947 . In scientific notation, it is written as 2.1492946 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 10746472 positive integers (up to 21492946) that are relatively prime to 21492946.
21492946 has 4 divisors, whose sum is 32239422
The reverse of 21492946 is 64929412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-two thousand nine hundred forty-six
Scientific notation
2.1492946 × 10^7
Engineering notation
2.1492946 × 10^6
Prime Factorization
2 × 10746473
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492946
Product of the distinct prime numbers
The prime factorization of 21492946 is 2 × 10746473.
Since it has a total of 2 prime factors.
2 , 1 , 63 , 83 , 552 , 826 , 3744 , 3251 , 94808 , 97653 , 927366 , 577623 , 4748115 , 8086231 , 54242920 , 90589386 , 340429060 , 833237175 , 155423700 , 527866605
n×2
42985892
n×3
64478838
n×4
85971784
n×5
107464730
n÷2
10746473
n÷3
7164315.3333333
n÷3
5373236.5
n÷5
4298589.2
n2
461946727758916
n3
9.9285960745991E+21
n4
2.1339477928717E+29
n5
4.5864824679011E+36
2 √n
4636.0485329643
3 √n
278.03447461635
4 √n
68.088534519141
5 √n
29.272457862481
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492946 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492946) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111010011010010
3
Ternary
1111102221210001
4
Quaternary
1101333103102
5
Quinary
21000233241
6
Senary
2044400214
8
Octal
121772322
10
Decimal
21492946
12
Duodecimal
724606a
16
Hexadecimal
147f4d2
20
Vigesimal
6e6c76
36
Base36
cso2a
md5
95776de1d04e528f4c07ac1d9bbd73b2
sha1
e5be285a21318ac98566912733481e38c271c482
sha256
c28094274a3e299f8d51264b2080cce99fcd89c97f4201e84d7356f718ff23c5
sha512
6be074abbda55c0b6c5dce52ed0ef49110eab2a29a247e40e92d457faa749ecd2328a83cf9265761ebcbfb2fbed49a37d998aacd6913caa8e718b3693d06304c
ripemd-160
aeefef7764ca4838ff1afa1c848ac9c95c1b1edc
Diameter
42985892
Circumference
135044162.5152
Area
1.4512484462773E+15
Volume
4.1588805984561E+22
Surface area
5.804993785109E+15
Circumference
135044162.5152
Perimeter
85971784
Area
461946727758916
Diagonal
30395615.728553
Surface area
2771680366553496
Volume
9.9285960745991E+21
Space diagonal
37226874.476334
Perimeter
64478838
Area
2.0002880071716E+14
Altitude
18613437.238167
Surface area
2.0002880071716E+14
Volume
1.1700962686685E+21
Height
10131871.909518