21241917 is an odd 8-digits composite number following 21241916
and preceding 21241918 . In scientific notation, it is written as 2.1241917 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 14138568 positive integers (up to 21241917) that are relatively prime to 21241917.
21241917 has 12 divisors, whose sum is 30732000
The reverse of 21241917 is 71914212
Previous prime number is 787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million two hundred forty-one thousand nine hundred seventeen
Scientific notation
2.1241917 × 10^7
Engineering notation
2.1241917 × 10^6
Prime Factorization
3 × 3 × 787 × 2999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7080639
Product of the distinct prime numbers
The prime factorization of 21241917 is 3 × 3 × 787 × 2999.
Since it has a total of 4 prime factors.
4 , 4 , 12 , 99 , 738 , 27 , 3599 , 117 , 81959 , 28762 , 750000 , 521733 , 5130567 , 731459 , 22120574 , 97395455 , 636714348 , 842489449 , 6585844721 , 6938230192
n×2
42483834
n×3
63725751
n×4
84967668
n×5
106209585
n÷2
10620958.5
n÷3
7080639
n÷3
5310479.25
n÷5
4248383.4
n2
451219037834889
n3
9.5847573505086E+21
n4
2.0359862010464E+29
n5
4.3248249895774E+36
2 √n
4608.895420814
3 √n
276.947789123
4 √n
67.88884607072
5 √n
29.203758037296
1 , 3 , 9 , 787 , 2361 , 2999 , 7083 , 8997 , 26991 , 2360213 , 7080639 , 21241917
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
-21241916
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 21241917 can be divided by 12 positive divisors.
The sum of these divisors (counting 21241917) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001000010000000111101
3
Ternary
1110222012102200
4
Quaternary
1101002000331
5
Quinary
20414220132
6
Senary
2035142113
8
Octal
121020075
10
Decimal
21241917
12
Duodecimal
7144939
16
Hexadecimal
144203d
20
Vigesimal
6cf4fh
36
Base36
cnad9
md5
a1f961682418f2a10089069f96884097
sha1
d2aa3e0d4658f00f46997b95aab1c8da96892b31
sha256
b17a4d3a388abd1a1a51f5e83f7eba33a6315e092b783f68ec84d5496ad4d93c
sha512
0b6e873b2f118f8e10d5d04e23ffaf0df5ca163ba88d5d229fe58926a7900fb7188b4f0d54f3f1cb9b9c367ebff371d304682f5e73e0aec6a6b83e5cd7083e7d
ripemd-160
843b012e5439459dcd7613e4c309650eacc9f0f9
Diameter
42483834
Circumference
133466900.79073
Area
1.4175464144219E+15
Volume
4.0148537705065E+22
Surface area
5.6701856576878E+15
Circumference
133466900.79073
Perimeter
84967668
Area
451219037834889
Diagonal
30040607.112204
Surface area
2707314227009334
Volume
9.5847573505086E+21
Space diagonal
36792079.494161
Perimeter
63725751
Area
1.9538357471809E+14
Altitude
18396039.747081
Surface area
1.9538357471809E+14
Volume
1.1295744864287E+21
Height
10013535.704068