21821344 is an even 8-digits composite number following 21821343
and preceding 21821345 . In scientific notation, it is written as 2.1821344 × 10^7.
The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors.
There are 10876416 positive integers (up to 21821344) that are relatively prime to 21821344.
21821344 has 24 divisors, whose sum is 43095780
The reverse of 21821344 is 44312812
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million eight hundred twenty-one thousand three hundred forty-four
Scientific notation
2.1821344 × 10^7
Engineering notation
2.1821344 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 389 × 1753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1363834
Product of the distinct prime numbers
The prime factorization of 21821344 is 2 × 2 × 2 × 2 × 2 × 389 × 1753.
Since it has a total of 7 prime factors.
4 , 2 , 86 , 62 , 137 , 354 , 9846 , 6111 , 93512 , 94373 , 399222 , 370862 , 3659855 , 6525486 , 88648143 , 95695477 , 47694412 , 972295679 , 4982881081 , 3691785654
n×2
43642688
n×3
65464032
n×4
87285376
n×5
109106720
n÷2
10910672
n÷3
7273781.3333333
n÷3
5455336
n÷5
4364268.8
n2
476171053966336
n3
1.0390692371442E+22
n4
2.2673887263541E+29
n5
4.9477469379495E+36
2 √n
4671.3321440463
3 √n
279.44338402433
4 √n
68.34714437375
5 √n
29.361368869143
1 , 2 , 4 , 8 , 16 , 32 , 389 , 778 , 1556 , 1753 , 3112 , 3506 , 6224 , 7012 , 12448 , 14024 , 28048 , 56096 , 681917 , 1363834 , 2727668 , 5455336 , 10910672 , 21821344
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21821343
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21821344 can be divided by 24 positive divisors.
The sum of these divisors (counting 21821344) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011001111011110100000
3
Ternary
1112001122020221
4
Quaternary
1103033132200
5
Quinary
21041240334
6
Senary
2055412424
8
Octal
123173640
10
Decimal
21821344
12
Duodecimal
7384114
16
Hexadecimal
14cf7a0
20
Vigesimal
6g7d74
36
Base36
czpgg
md5
b1389e9b4009322a4ff1d7e2da039967
sha1
e9ac4f28b095726fc36b3bf650b5697e4668e08a
sha256
b0d987d276fea172680e19ddc345a8bf9925392c72c048e6af98bff248f1ce14
sha512
1964a75050d8314345f966d725da0ba2913bd38c86e404215aa748b77efc75beaaa6e6f59ecd5b83af052b21eb4180b6db200780211a792384f48a15c97fe5fd
ripemd-160
4bcfb0a9da3e94346788fc15cc3d8e2e66c04d4d
Diameter
43642688
Circumference
137107548.00371
Area
1.4959354849928E+15
Volume
4.3524430426445E+22
Surface area
5.983741939971E+15
Circumference
137107548.00371
Perimeter
87285376
Area
476171053966336
Diagonal
30860040.634009
Surface area
2857026323798016
Volume
1.0390692371442E+22
Space diagonal
37795676.497438
Perimeter
65464032
Area
2.0618811464083E+14
Altitude
18897838.248719
Surface area
2.0618811464083E+14
Volume
1.2245548395117E+21
Height
10286680.211336