21000938 is an even 8-digits composite number following 21000937
and preceding 21000939 . In scientific notation, it is written as 2.1000938 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 8780640 positive integers (up to 21000938) that are relatively prime to 21000938.
21000938 has 16 divisors, whose sum is 36880704
The reverse of 21000938 is 83900012
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million nine hundred thirty-eight
Scientific notation
2.1000938 × 10^7
Engineering notation
2.1000938 × 10^6
Prime Factorization
2 × 7 × 41 × 36587
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21000938
Product of the distinct prime numbers
The prime factorization of 21000938 is 2 × 7 × 41 × 36587.
Since it has a total of 4 prime factors.
2 , 3 , 44 , 64 , 310 , 356 , 4242 , 9973 , 15864 , 27381 , 394804 , 864874 , 4880102 , 965632 , 50689885 , 63532789 , 641005870 , 972284599 , 7940546855 , 4650057065
n×2
42001876
n×3
63002814
n×4
84003752
n×5
105004690
n÷2
10500469
n÷3
7000312.6666667
n÷3
5250234.5
n÷5
4200187.6
n2
441039396879844
n3
9.262241029431E+21
n4
1.9451574960014E+29
n5
4.085013197376E+36
2 √n
4582.6780380035
3 √n
275.89652530851
4 √n
67.695480188884
5 √n
29.137194871061
1 , 2 , 7 , 14 , 41 , 82 , 287 , 574 , 36587 , 73174 , 256109 , 512218 , 1500067 , 3000134 , 10500469 , 21000938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000938 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111001011101010
3
Ternary
1110111221212112
4
Quaternary
1100013023222
5
Quinary
20334012223
6
Senary
2030042322
8
Octal
120071352
10
Decimal
21000938
12
Duodecimal
70493a2
16
Hexadecimal
14072ea
20
Vigesimal
6b526i
36
Base36
ci4fe
md5
831c6323cd1ca0374be2cac454c9d38f
sha1
03147c67c2fd473be10a97986c39d7d11093cf38
sha256
749aeaf5a288afc6e5135c8912cb267ab6742964fae7b168ae5e283b96cd4227
sha512
c3891b8f35c4b0cdb18dcd5439f59a506e442ff7af02ea63ab1c041fd755d4102bbfa71864572db5a72fa46daacfdc562a6879027d8ea72f211a60e1ab9417e2
ripemd-160
035bae5e5b6eb2679180121a3d71a6b510ddcf07
Diameter
42001876
Circumference
131952785.07859
Area
1.3855661291814E+15
Volume
3.8797584498451E+22
Surface area
5.5422645167256E+15
Circumference
131952785.07859
Perimeter
84003752
Area
441039396879844
Diagonal
29699811.342157
Surface area
2646236381279064
Volume
9.262241029431E+21
Space diagonal
36374691.622604
Perimeter
63002814
Area
1.9097566088386E+14
Altitude
18187345.811302
Surface area
1.9097566088386E+14
Volume
1.0915655734825E+21
Height
9899937.1140522