20992945 is an odd 8-digits composite number following 20992944
and preceding 20992946 . In scientific notation, it is written as 2.0992945 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 16630896 positive integers (up to 20992945) that are relatively prime to 20992945.
20992945 has 8 divisors, whose sum is 25436736
The reverse of 20992945 is 54929902
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million nine hundred ninety-two thousand nine hundred forty-five
Scientific notation
2.0992945 × 10^7
Engineering notation
2.0992945 × 10^6
Prime Factorization
5 × 103 × 40763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20992945
Product of the distinct prime numbers
The prime factorization of 20992945 is 5 × 103 × 40763.
Since it has a total of 3 prime factors.
3 , 10 , 44 , 10 , 515 , 504 , 7276 , 4867 , 95143 , 63264 , 233189 , 868333 , 5741456 , 2181022 , 28052954 , 66616513 , 598363243 , 724045298 , 8279973337 , 350488553
n×2
41985890
n×3
62978835
n×4
83971780
n×5
104964725
n÷2
10496472.5
n÷3
6997648.3333333
n÷3
5248236.25
n÷5
4198589
n2
440703739773025
n3
9.2516693703494E+21
n4
1.9421978624993E+29
n5
4.0772452906565E+36
2 √n
4581.8058666862
3 √n
275.86151860612
4 √n
67.689038009756
5 √n
29.134976598118
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
-20992944
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 20992945 can be divided by 8 positive divisors.
The sum of these divisors (counting 20992945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000101001110110001
3
Ternary
1110111112220111
4
Quaternary
1100011032301
5
Quinary
20333233240
6
Senary
2025541321
8
Octal
120051661
10
Decimal
20992945
12
Duodecimal
7044841
16
Hexadecimal
14053b1
20
Vigesimal
6b4275
36
Base36
chy9d
md5
6a149ede6191c4afd68fefcce08ed7bc
sha1
73255700caa2005e2ddabab9b9c6ca882b9789aa
sha256
4fdca13ec637ec0f28d24d24ec412a7910bb706da0128a83b1fcb20275dfabfb
sha512
1bb9909bb5d67ed4aef74d3f3497ffb1817032ed4323082b9f2904703e8e0af7192f92e41e2cde9c390051291844b3147c9c7894e0a92b407552597aed8deebc
ripemd-160
6504431cd946bfc158504b4024e54483b414253f
Diameter
41985890
Circumference
131902563.57843
Area
1.3845116312805E+15
Volume
3.8753302036442E+22
Surface area
5.5380465251219E+15
Circumference
131902563.57843
Perimeter
83971780
Area
440703739773025
Diagonal
29688507.533152
Surface area
2644222438638150
Volume
9.2516693703494E+21
Space diagonal
36360847.340499
Perimeter
62978835
Area
1.9083031709312E+14
Altitude
18180423.67025
Surface area
1.9083031709312E+14
Volume
1.0903196915117E+21
Height
9896169.1777175