20994021 is an odd 8-digits composite number following 20994020
and preceding 20994022 . In scientific notation, it is written as 2.0994021 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13970880 positive integers (up to 20994021) that are relatively prime to 20994021.
20994021 has 8 divisors, whose sum is 23368600
The reverse of 20994021 is 12049902
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million nine hundred ninety-four thousand twenty-one
Scientific notation
2.0994021 × 10^7
Engineering notation
2.0994021 × 10^6
Prime Factorization
9 × 661 × 3529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20994021
Product of the distinct prime numbers
The prime factorization of 20994021 is 9 × 661 × 3529.
Since it has a total of 3 prime factors.
4 , 9 , 2 , 17 , 394 , 857 , 424 , 4767 , 49800 , 7862 , 892398 , 628183 , 4392209 , 8430713 , 10382736 , 21572547 , 290206408 , 709699803 , 5650580444 , 4132853100
n×2
41988042
n×3
62982063
n×4
83976084
n×5
104970105
n÷2
10497010.5
n÷3
6998007
n÷3
5248505.25
n÷5
4198804.2
n2
440748917748441
n3
9.253092034938E+21
n4
1.9425960849642E+29
n5
4.0782903002257E+36
2 √n
4581.9232861321
3 √n
275.86623164857
4 √n
67.68990534882
5 √n
29.135275256474
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
-20994020
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 20994021 can be divided by 8 positive divisors.
The sum of these divisors (counting 20994021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000101011111100101
3
Ternary
1110111121101100
4
Quaternary
1100011133211
5
Quinary
20333302041
6
Senary
2025550313
8
Octal
120053745
10
Decimal
20994021
12
Duodecimal
7045399
16
Hexadecimal
14057e5
20
Vigesimal
6b4511
36
Base36
chz39
md5
7e6f557ad33155242c65805811c54841
sha1
68c2fa91ba891a1f09abcb6f7dd869333c412c03
sha256
dcfe42095165932d437aa2e2685634a894a87d5060f6ba86408e3d5eb86fbb84
sha512
9fca0fd909cd74b8f1ba458857de3e17546dcbe17093e14d5366a661211803df0bfc74aaf8991fda7986baa258f667e04f21fc54c526241a4d2f9259dfeeb5c9
ripemd-160
9539647b4ced02bda2a50df251ba771ab7ae6116
Diameter
41988042
Circumference
131909324.28582
Area
1.3846535620762E+15
Volume
3.8759261279935E+22
Surface area
5.5386142483046E+15
Circumference
131909324.28582
Perimeter
83976084
Area
440748917748441
Diagonal
29690029.226946
Surface area
2644493506490646
Volume
9.253092034938E+21
Space diagonal
36362711.027168
Perimeter
62982063
Area
1.9084987973032E+14
Altitude
18181355.513584
Surface area
1.9084987973032E+14
Volume
1.0904873541413E+21
Height
9896676.4089819