20442990 is an even 8-digits composite number following 20442989
and preceding 20442991 . In scientific notation, it is written as 2.0442990 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5428640 positive integers (up to 20442990) that are relatively prime to 20442990.
20442990 has 32 divisors, whose sum is 49268736
The reverse of 20442990 is 09924402
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred forty-two thousand nine hundred ninety
Scientific notation
2.0442990 × 10^7
Engineering notation
2.0442990 × 10^6
Prime Factorization
2 × 3 × 5 × 263 × 2591
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20442990
Product of the distinct prime numbers
The prime factorization of 20442990 is 2 × 3 × 5 × 263 × 2591.
Since it has a total of 5 prime factors.
6 , 3 , 76 , 69 , 49 , 341 , 682 , 8297 , 37509 , 1131 , 576791 , 938370 , 7410580 , 1295392 , 65236172 , 28804638 , 739162548 , 960843534 , 5161051740 , 9731244952
n×2
40885980
n×3
61328970
n×4
81771960
n×5
102214950
n÷2
10221495
n÷3
6814330
n÷3
5110747.5
n÷5
4088598
n2
417915840140100
n3
8.5434493408257E+21
n4
1.7465364944001E+29
n5
3.5704428089655E+36
2 √n
4521.3924846224
3 √n
273.43124425416
4 √n
67.241300438216
5 √n
28.980700802482
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 263 , 526 , 789 , 1315 , 1578 , 2591 , 2630 , 3945 , 5182 , 7773 , 7890 , 12955 , 15546 , 25910 , 38865 , 77730 , 681433 , 1362866 , 2044299 , 3407165 , 4088598 , 6814330 , 10221495 , 20442990
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20442989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20442990 can be divided by 32 positive divisors.
The sum of these divisors (counting 20442990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101111110111101101110
3
Ternary
1102110121111210
4
Quaternary
1031332331232
5
Quinary
20213133430
6
Senary
2010055250
8
Octal
115767556
10
Decimal
20442990
12
Duodecimal
6a1a526
16
Hexadecimal
137ef6e
20
Vigesimal
67f79a
36
Base36
c65wu
md5
f26747b4eda2b7ba3574dcdb7924babd
sha1
cc279190fc89d91653e925808ec998c7007a5621
sha256
5a1ebcd0a07817551af6af214e78dc1669507b42a019cebabeb63865ebfd4f7a
sha512
170986ed34a7ad18ceda89cb99d85169425f580b41bd9599f9e3d7904ab179a0b9a23d73d3653a2effdaa72f6caa89fdd46ba0424f440af457195350ee8c2e7b
ripemd-160
6e6c064c62205b24b8a81d24153ce89200698e88
Diameter
40885980
Circumference
128447094.40282
Area
1.3129213332029E+15
Volume
3.5786716913939E+22
Surface area
5.2516853328118E+15
Circumference
128447094.40282
Perimeter
81771960
Area
417915840140100
Diagonal
28910753.713458
Surface area
2507495040840600
Volume
8.5434493408257E+21
Space diagonal
35408297.338622
Perimeter
61328970
Area
1.8096286710262E+14
Altitude
17704148.669311
Surface area
1.8096286710262E+14
Volume
1.0068551606036E+21
Height
9636917.9044859