20443990 is an even 8-digits composite number following 20443989
and preceding 20443991 . In scientific notation, it is written as 2.0443990 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 7009344 positive integers (up to 20443990) that are relatively prime to 20443990.
20443990 has 16 divisors, whose sum is 42056352
The reverse of 20443990 is 09934402
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred forty-three thousand nine hundred ninety
Scientific notation
2.0443990 × 10^7
Engineering notation
2.0443990 × 10^6
Prime Factorization
2 × 5 × 7 × 292057
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20443990
Product of the distinct prime numbers
The prime factorization of 20443990 is 2 × 5 × 7 × 292057.
Since it has a total of 4 prime factors.
7 , 4 , 49 , 32 , 27 , 251 , 1623 , 956 , 60726 , 21651 , 483916 , 6241 , 6258262 , 5209402 , 83848116 , 82719568 , 754240468 , 236208105 , 610113761 , 2879314981
n×2
40887980
n×3
61331970
n×4
81775960
n×5
102219950
n÷2
10221995
n÷3
6814663.3333333
n÷3
5110997.5
n÷5
4088798
n2
417956727120100
n3
8.5447031496761E+21
n4
1.7468782574495E+29
n5
3.5713161626514E+36
2 √n
4521.5030686709
3 √n
273.43570261676
4 √n
67.242122725795
5 √n
28.98098432396
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 292057 , 584114 , 1460285 , 2044399 , 2920570 , 4088798 , 10221995 , 20443990
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
-20443989
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 20443990 can be divided by 16 positive divisors.
The sum of these divisors (counting 20443990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101111111001101010110
3
Ternary
1102110122212211
4
Quaternary
1031333031112
5
Quinary
20213201430
6
Senary
2010104034
8
Octal
115771526
10
Decimal
20443990
12
Duodecimal
6a1b01a
16
Hexadecimal
137f356
20
Vigesimal
67f9ja
36
Base36
c66om
md5
ff977ff9cfe0c333802cad379983d5a1
sha1
2f155445f487082cd53af96225cd4314d07a8664
sha256
01875609a8ebb7ff7e267ce110cf7fa9305c5926525bdc10a8f9b81fe3c5da89
sha512
717456e14153a5aff40d6c5cce8c29f5ff43d1bf7d0a4b1e927ca700514ce1e47608f2dd2ce682146ac9ae820d06fd15944c4946faf8e20ce7cd4c32599c580e
ripemd-160
dd924c4bd92b52045f0c0e18b94b10ad4d23d66e
Diameter
40887980
Circumference
128453377.58813
Area
1.3130497834389E+15
Volume
3.579196885617E+22
Surface area
5.2521991337558E+15
Circumference
128453377.58813
Perimeter
81775960
Area
417956727120100
Diagonal
28912167.92702
Surface area
2507740362720600
Volume
8.5447031496761E+21
Space diagonal
35410029.38943
Perimeter
61331970
Area
1.809805716843E+14
Altitude
17705014.694715
Surface area
1.809805716843E+14
Volume
1.0070029233937E+21
Height
9637389.3090066