20921358 is an even 8-digits composite number following 20921357
and preceding 20921359 . In scientific notation, it is written as 2.0921358 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6963000 positive integers (up to 20921358) that are relatively prime to 20921358.
20921358 has 16 divisors, whose sum is 41907456
The reverse of 20921358 is 85312902
Previous prime number is 751
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred twenty-one thousand three hundred fifty-eight
Scientific notation
2.0921358 × 10^7
Engineering notation
2.0921358 × 10^6
Prime Factorization
2 × 3 × 751 × 4643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921358
Product of the distinct prime numbers
The prime factorization of 20921358 is 2 × 3 × 751 × 4643.
Since it has a total of 4 prime factors.
9 , 10 , 13 , 5 , 222 , 866 , 6527 , 7405 , 44325 , 43927 , 478395 , 641418 , 3283447 , 4922575 , 55451044 , 87267702 , 653818774 , 864989011 , 1948286529 , 7298088825
n×2
41842716
n×3
62764074
n×4
83685432
n×5
104606790
n÷2
10460679
n÷3
6973786
n÷3
5230339.5
n÷5
4184271.6
n2
437703220564164
n3
9.1573457751758E+21
n4
1.9158410929224E+29
n5
4.0081997376141E+36
2 √n
4573.9871009875
3 √n
275.54759427754
4 √n
67.63125831291
5 √n
29.115079091393
1 , 2 , 3 , 6 , 751 , 1502 , 2253 , 4506 , 4643 , 9286 , 13929 , 27858 , 3486893 , 6973786 , 10460679 , 20921358
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
-20921357
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 20921358 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921358) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011110000001110
3
Ternary
1110100220201010
4
Quaternary
1033303300032
5
Quinary
20323440413
6
Senary
2024230050
8
Octal
117636016
10
Decimal
20921358
12
Duodecimal
700b326
16
Hexadecimal
13f3c0e
20
Vigesimal
6af37i
36
Base36
cgf0u
md5
9ed8782b7fa156be9907f05a2c151338
sha1
99dc8e51a47919cbbe712a92b864bb799f4523b3
sha256
93786a98bab27d0bdbf0c29bb57c4ada55fd863fdcb69da0b9327943da2aa6b6
sha512
63fa78d0084d47a0cdd44ffcb19dbd72e7b71562f7f0bc88f318c07edbe1fff9a6f32f0ec75cf976b3fee798160878e21c8b45c1324e283487567f92bc2da639
ripemd-160
8c446e4b5e88c0018642ddbb1de70cc3c7c03fcd
Diameter
41842716
Circumference
131452769.19184
Area
1.375085222177E+15
Volume
3.8358200284899E+22
Surface area
5.5003408887079E+15
Circumference
131452769.19184
Perimeter
83685432
Area
437703220564164
Diagonal
29587268.226863
Surface area
2626219323384984
Volume
9.1573457751758E+21
Space diagonal
36236855.019338
Perimeter
62764074
Area
1.8953105416341E+14
Altitude
18118427.509669
Surface area
1.8953105416341E+14
Volume
1.0792035492161E+21
Height
9862422.7422876