21491348 is an even 8-digits composite number following 21491347
and preceding 21491349 . In scientific notation, it is written as 2.1491348 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 10719192 positive integers (up to 21491348) that are relatively prime to 21491348.
21491348 has 12 divisors, whose sum is 37702560
The reverse of 21491348 is 84319412
Previous prime number is 419
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety-one thousand three hundred forty-eight
Scientific notation
2.1491348 × 10^7
Engineering notation
2.1491348 × 10^6
Prime Factorization
2 × 2 × 419 × 12823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10745674
Product of the distinct prime numbers
The prime factorization of 21491348 is 2 × 2 × 419 × 12823.
Since it has a total of 4 prime factors.
7 , 3 , 48 , 37 , 727 , 508 , 5277 , 1450 , 92932 , 20362 , 591491 , 781973 , 1395066 , 4967714 , 59906294 , 5539078 , 921064589 , 649017802 , 9744600278 , 4248206865
n×2
42982696
n×3
64474044
n×4
85965392
n×5
107456740
n÷2
10745674
n÷3
7163782.6666667
n÷3
5372837
n÷5
4298269.6
n2
461878038857104
n3
9.9263816666355E+21
n4
2.1333132277848E+29
n5
4.5847776971327E+36
2 √n
4635.8761847142
3 √n
278.02758382682
4 √n
68.087268888642
5 √n
29.272022568233
1 , 2 , 4 , 419 , 838 , 1676 , 12823 , 25646 , 51292 , 5372837 , 10745674 , 21491348
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
-21491347
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 21491348 can be divided by 12 positive divisors.
The sum of these divisors (counting 21491348) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111110111010010100
3
Ternary
1111102212120212
4
Quaternary
1101332322110
5
Quinary
21000210343
6
Senary
2044344552
8
Octal
121767224
10
Decimal
21491348
12
Duodecimal
7245158
16
Hexadecimal
147ee94
20
Vigesimal
6e6878
36
Base36
csmtw
md5
90fad91b9b84743a5e2b7a9791407ea9
sha1
9a79aaab0f5959137786e7f64b715dfa57702ffb
sha256
41e26992146fc6d3b20c7e0862ab2f2fac945299522698e036cc273b799268d1
sha512
09285090c4c2ae86c3efa879745d364c9816937e0dfe336c14b2b28d047f62eecd7c5ff171d2af8d97f38bd4e1c0bd1c930de6eaa5e1ad15c1097a857457ead4
ripemd-160
4d2da9512390449ba98f82f57273bca317e4b503
Diameter
42982696
Circumference
135034121.98508
Area
1.4510326537279E+15
Volume
4.1579530294174E+22
Surface area
5.8041306149118E+15
Circumference
135034121.98508
Perimeter
85965392
Area
461878038857104
Diagonal
30393355.81528
Surface area
2771268233142624
Volume
9.9263816666355E+21
Space diagonal
37224106.659144
Perimeter
64474044
Area
1.9999905755019E+14
Altitude
18612053.329572
Surface area
1.9999905755019E+14
Volume
1.1698352981873E+21
Height
10131118.605093