20921242 is an even 8-digits composite number following 20921241
and preceding 20921243 . In scientific notation, it is written as 2.0921242 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 9817200 positive integers (up to 20921242) that are relatively prime to 20921242.
20921242 has 16 divisors, whose sum is 33343200
The reverse of 20921242 is 24212902
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million nine hundred twenty-one thousand two hundred forty-two
Scientific notation
2.0921242 × 10^7
Engineering notation
2.0921242 × 10^6
Prime Factorization
2 × 109 × 19 × 5051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921242
Product of the distinct prime numbers
The prime factorization of 20921242 is 2 × 109 × 19 × 5051.
Since it has a total of 4 prime factors.
9 , 2 , 5 , 73 , 442 , 480 , 7391 , 2109 , 60358 , 97420 , 424548 , 588875 , 1975418 , 1796962 , 98692080 , 24474219 , 113756679 , 843388259 , 5132089730 , 651539123
n×2
41842484
n×3
62763726
n×4
83684968
n×5
104606210
n÷2
10460621
n÷3
6973747.3333333
n÷3
5230310.5
n÷5
4184248.4
n2
437698366822564
n3
9.1571934552996E+21
n4
1.9157986031914E+29
n5
4.0080886200629E+36
2 √n
4573.9744205669
3 √n
275.547085012
4 √n
67.6311645661
5 √n
29.115046805184
1 , 2 , 19 , 38 , 109 , 218 , 2071 , 4142 , 5051 , 10102 , 95969 , 191938 , 550559 , 1101118 , 10460621 , 20921242
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
-20921241
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 20921242 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011101110011010
3
Ternary
1110100220112211
4
Quaternary
1033303232122
5
Quinary
20323434432
6
Senary
2024225334
8
Octal
117635632
10
Decimal
20921242
12
Duodecimal
700b24a
16
Hexadecimal
13f3b9a
20
Vigesimal
6af322
36
Base36
cgexm
md5
dce045d72226cde79a1213593ffe7b6f
sha1
2b95a1d634f18eb71df43c77c92b5ae702c6912c
sha256
1e4e1cd1b5e9d1e8ed871b0a67d2d03bacc740606abecd6780996ff98ff1f6ab
sha512
19d1dbe14ce1844c3e12fd1e2d99696391b64d6450e38951148a9b066be45932ec0012a5e01a274a695d424c7021cfdddc7a7dc286271f0649f3aa016d8a5d9c
ripemd-160
344a55166b1cb5419a7661f1d2c07a559e51ec75
Diameter
41842484
Circumference
131452040.34235
Area
1.375069973698E+15
Volume
3.8357562248893E+22
Surface area
5.5002798947921E+15
Circumference
131452040.34235
Perimeter
83684968
Area
437698366822564
Diagonal
29587104.17809
Surface area
2626190200935384
Volume
9.1571934552996E+21
Space diagonal
36236654.101444
Perimeter
62763726
Area
1.8952895243165E+14
Altitude
18118327.050722
Surface area
1.8952895243165E+14
Volume
1.0791855981466E+21
Height
9862368.0593632