21039951 is an odd 8-digits composite number following 21039950
and preceding 21039952 . In scientific notation, it is written as 2.1039951 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 14026632 positive integers (up to 21039951) that are relatively prime to 21039951.
21039951 has 4 divisors, whose sum is 28053272
The reverse of 21039951 is 15993012
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million thirty-nine thousand nine hundred fifty-one
Scientific notation
2.1039951 × 10^7
Engineering notation
2.1039951 × 10^6
Prime Factorization
3 × 7013317
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21039951
Product of the distinct prime numbers
The prime factorization of 21039951 is 3 × 7013317.
Since it has a total of 2 prime factors.
1 , 6 , 93 , 69 , 765 , 677 , 7368 , 3258 , 87016 , 87461 , 954194 , 703808 , 5507561 , 5996557 , 22309092 , 33059783 , 991895881 , 560921363 , 3477217825 , 5218945969
n×2
42079902
n×3
63119853
n×4
84159804
n×5
105199755
n÷2
10519975.5
n÷3
7013317
n÷3
5259987.75
n÷5
4207990.2
n2
442679538082401
n3
9.3139557899564E+21
n4
1.9596517343685E+29
n5
4.1230976468178E+36
2 √n
4586.932635215
3 √n
276.06726201461
4 √n
67.726897427942
5 √n
29.148012346475
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21039950
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21039951 can be divided by 4 positive divisors.
The sum of these divisors (counting 21039951) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010000101101001111
3
Ternary
1110120221101110
4
Quaternary
1100100231033
5
Quinary
20341234301
6
Senary
2030543103
8
Octal
120205517
10
Decimal
21039951
12
Duodecimal
7067a93
16
Hexadecimal
1410b4f
20
Vigesimal
6b9jhb
36
Base36
ciyj3
md5
edcae95f883acfb0d9dc02592024650c
sha1
ccddbdf59c2666b824a36f79ccbf10f7a6963eb6
sha256
c59df0c4e70c6dadc1e53bb36f1b56dac1fd5db76a2d7df74681703e19bee155
sha512
707efc2ee05425ee86c6d00c1321d7bf19a251bb2d9511a00d8a5faaf111342e7c92428eab89d54644a760b6fde08cd3dd2103ec4e49c1896cf227f399465ece
ripemd-160
6476accaf4183967a3e8eb8d199fd5159c3f0bf6
Diameter
42079902
Circumference
132197910.98698
Area
1.3907187847342E+15
Volume
3.9014206780783E+22
Surface area
5.5628751389368E+15
Circumference
132197910.98698
Perimeter
84159804
Area
442679538082401
Diagonal
29754984.055865
Surface area
2656077228494406
Volume
9.3139557899564E+21
Space diagonal
36442264.12076
Perimeter
63119853
Area
1.9168586285746E+14
Altitude
18221132.06038
Surface area
1.9168586285746E+14
Volume
1.0976602164583E+21
Height
9918328.0186218