21691344 is an even 8-digits composite number following 21691343
and preceding 21691345 . In scientific notation, it is written as 2.1691344 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 7230432 positive integers (up to 21691344) that are relatively prime to 21691344.
21691344 has 20 divisors, whose sum is 56036096
The reverse of 21691344 is 44319612
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million six hundred ninety-one thousand three hundred forty-four
Scientific notation
2.1691344 × 10^7
Engineering notation
2.1691344 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 451903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2711418
Product of the distinct prime numbers
The prime factorization of 21691344 is 2 × 2 × 2 × 2 × 3 × 451903.
Since it has a total of 6 prime factors.
5 , 2 , 90 , 44 , 553 , 912 , 4843 , 6719 , 31901 , 33923 , 31449 , 897440 , 5752003 , 5796288 , 14621452 , 55297294 , 310552744 , 447183947 , 7349554714 , 1857391239
n×2
43382688
n×3
65074032
n×4
86765376
n×5
108456720
n÷2
10845672
n÷3
7230448
n÷3
5422836
n÷5
4338268.8
n2
470514404526336
n3
1.0206089805536E+22
n4
2.2138380486677E+29
n5
4.802112267394E+36
2 √n
4657.3966977272
3 √n
278.8873531964
4 √n
68.245122153361
5 √n
29.326301309468
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 451903 , 903806 , 1355709 , 1807612 , 2711418 , 3615224 , 5422836 , 7230448 , 10845672 , 21691344
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21691343
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21691344 can be divided by 20 positive divisors.
The sum of these divisors (counting 21691344) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010010101111101111010000
3
Ternary
1111211000221010
4
Quaternary
1102233233100
5
Quinary
21023110334
6
Senary
2052530520
8
Octal
122575720
10
Decimal
21691344
12
Duodecimal
7320a40
16
Hexadecimal
14afbd0
20
Vigesimal
6fb874
36
Base36
cwx5c
md5
ff9b02d0e88c046959c5231a01cc6a72
sha1
60ab370793b5e458c5f695843e6124e81e91f3f5
sha256
450206df554d45e3b38859ae8fcf0801159b9ef4774d9028b84e19064d581fe9
sha512
e6817d35e569050f7422be74c63e1e7135a9f01ee4f951b1ad463ae2262ddfd84d29bc6cd037b6aeffc1e6bfaae3f2f8d37311e3e1dc4406f304cd132064bea0
ripemd-160
9de78118a5d403fdef6a8b3c5b279f139b3ab9f1
Diameter
43382688
Circumference
136290733.91378
Area
1.4781645966681E+15
Volume
4.2751169006599E+22
Surface area
5.9126583866725E+15
Circumference
136290733.91378
Perimeter
86765376
Area
470514404526336
Diagonal
30676192.8709
Surface area
2823086427158016
Volume
1.0206089805536E+22
Space diagonal
37570509.892454
Perimeter
65074032
Area
2.0373871358316E+14
Altitude
18785254.946227
Surface area
2.0373871358316E+14
Volume
1.2027992184822E+21
Height
10225397.623633