21383221 is an odd 8-digits composite number following 21383220
and preceding 21383222 . In scientific notation, it is written as 2.1383221 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 20896512 positive integers (up to 21383221) that are relatively prime to 21383221.
21383221 has 8 divisors, whose sum is 21873240
The reverse of 21383221 is 12238312
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million three hundred eighty-three thousand two hundred twenty-one
Scientific notation
2.1383221 × 10^7
Engineering notation
2.1383221 × 10^6
Prime Factorization
53 × 313 × 1289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21383221
Product of the distinct prime numbers
The prime factorization of 21383221 is 53 × 313 × 1289.
Since it has a total of 3 prime factors.
10 , 2 , 48 , 90 , 575 , 835 , 4484 , 2086 , 77464 , 59295 , 892367 , 468049 , 2250131 , 3369046 , 60985719 , 26457745 , 496476221 , 391152229 , 6001424251 , 1772570909
n×2
42766442
n×3
64149663
n×4
85532884
n×5
106916105
n÷2
10691610.5
n÷3
7127740.3333333
n÷3
5345805.25
n÷5
4276644.2
n2
457242140334841
n3
9.7773097372929E+21
n4
2.0907037489799E+29
n5
4.4705980309965E+36
2 √n
4624.1994982916
3 √n
277.5605300418
4 √n
68.001466883381
5 √n
29.242508505579
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
-21383220
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 21383221 can be divided by 8 positive divisors.
The sum of these divisors (counting 21383221) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001100100100000110101
3
Ternary
1111020101021011
4
Quaternary
1101210200311
5
Quinary
20433230341
6
Senary
2042152221
8
Octal
121444065
10
Decimal
21383221
12
Duodecimal
71b2671
16
Hexadecimal
1464835
20
Vigesimal
6dci11
36
Base36
cqbed
md5
68d43049dc22f17ca4554032e0887df4
sha1
1ff0e6964d0fbc79dc46688220e7e61b28c0ddaa
sha256
855062842e7bfa2b3c840f0a6f9d4e69bae12a6c0181d4f8fd637401138c5303
sha512
47e62b7eb80abc6dd6d3dd0a2c23bdf52ecd1432ecb9b45e69e45630fec66ac026c2215db69822cb32484e39b646cab675a06447b9d013127261504e3a612ff3
ripemd-160
b0b2fc16824a6801233db3f6a9fbf812307a03d0
Diameter
42766442
Circumference
134354740.00737
Area
1.4364685489876E+15
Volume
4.0955099256735E+22
Surface area
5.7458741959504E+15
Circumference
134354740.00737
Perimeter
85532884
Area
457242140334841
Diagonal
30240441.145421
Surface area
2743452842009046
Volume
9.7773097372929E+21
Space diagonal
37036825.201474
Perimeter
64149663
Area
1.9799165460537E+14
Altitude
18518412.600737
Surface area
1.9799165460537E+14
Volume
1.1522670028335E+21
Height
10080147.048474