21691353 is an odd 8-digits composite number following 21691352
and preceding 21691354 . In scientific notation, it is written as 2.1691353 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 14406608 positive integers (up to 21691353) that are relatively prime to 21691353.
21691353 has 8 divisors, whose sum is 29030400
The reverse of 21691353 is 35319612
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million six hundred ninety-one thousand three hundred fifty-three
Scientific notation
2.1691353 × 10^7
Engineering notation
2.1691353 × 10^6
Prime Factorization
3 × 269 × 26879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21691353
Product of the distinct prime numbers
The prime factorization of 21691353 is 3 × 269 × 26879.
Since it has a total of 3 prime factors.
3 , 1 , 9 , 86 , 525 , 621 , 4630 , 5273 , 65909 , 21246 , 683481 , 828718 , 9315609 , 814303 , 65199133 , 29245125 , 669190139 , 252222006 , 2830470295 , 1624210514
n×2
43382706
n×3
65074059
n×4
86765412
n×5
108456765
n÷2
10845676.5
n÷3
7230451
n÷3
5422838.25
n÷5
4338270.6
n2
470514794970609
n3
1.020610250943E+22
n4
2.2138417228623E+29
n5
4.8021222296735E+36
2 √n
4657.3976639321
3 √n
278.88739176764
4 √n
68.245129232291
5 √n
29.326303743035
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21691352
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21691353 can be divided by 8 positive divisors.
The sum of these divisors (counting 21691353) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101111101111011001
3
Ternary
1111211000221110
4
Quaternary
1102233233121
5
Quinary
21023110403
6
Senary
2052530533
8
Octal
122575731
10
Decimal
21691353
12
Duodecimal
7320a49
16
Hexadecimal
14afbd9
20
Vigesimal
6fb87d
36
Base36
cwx5l
md5
b06c6dc714ecbc755ae93f34dc6a294d
sha1
6048fe7ebee14fb7289f134e25110d317a5589cf
sha256
4269e7c861c8a71f2daeefa92a44944644d07d9f07f7b4aef4c4c87549ce131f
sha512
96b91dd2cb35a46d35430b8d85ccaab58d7b8969e38a39c53d5587fe08f4f34a396ec3574e9dc212b6655df2c9010bf19505c3edb6e688af2a9a6c8dd34a0d82
ripemd-160
4356c324896fa40fe242f9afa648646b6107c0c5
Diameter
43382706
Circumference
136290790.46245
Area
1.478165823285E+15
Volume
4.2751222220547E+22
Surface area
5.9126632931399E+15
Circumference
136290790.46245
Perimeter
86765412
Area
470514794970609
Diagonal
30676205.598822
Surface area
2823088769823654
Volume
1.020610250943E+22
Space diagonal
37570525.480912
Perimeter
65074059
Area
2.0373888265049E+14
Altitude
18785262.740456
Surface area
2.0373888265049E+14
Volume
1.2028007156505E+21
Height
10225401.866274