20442988 is an even 8-digits composite number following 20442987
and preceding 20442989 . In scientific notation, it is written as 2.0442988 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 10091952 positive integers (up to 20442988) that are relatively prime to 20442988.
20442988 has 12 divisors, whose sum is 36228640
The reverse of 20442988 is 88924402
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million four hundred forty-two thousand nine hundred eighty-eight
Scientific notation
2.0442988 × 10^7
Engineering notation
2.0442988 × 10^6
Prime Factorization
2 × 2 × 79 × 64693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10221494
Product of the distinct prime numbers
The prime factorization of 20442988 is 2 × 2 × 79 × 64693.
Since it has a total of 4 prime factors.
6 , 1 , 59 , 13 , 759 , 392 , 1968 , 5565 , 72690 , 37438 , 425472 , 884845 , 4850099 , 3278084 , 19123444 , 92327735 , 626197085 , 97367356 , 5772331803 , 9928890327
n×2
40885976
n×3
61328964
n×4
81771952
n×5
102214940
n÷2
10221494
n÷3
6814329.3333333
n÷3
5110747
n÷5
4088597.6
n2
417915758368144
n3
8.5434468333309E+21
n4
1.7465358109242E+29
n5
3.5704410624294E+36
2 √n
4521.3922634516
3 √n
273.43123533729
4 √n
67.24129879361
5 √n
28.980700235428
1 , 2 , 4 , 79 , 158 , 316 , 64693 , 129386 , 258772 , 5110747 , 10221494 , 20442988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20442987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20442988 can be divided by 12 positive divisors.
The sum of these divisors (counting 20442988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101111110111101101100
3
Ternary
1102110121111201
4
Quaternary
1031332331230
5
Quinary
20213133423
6
Senary
2010055244
8
Octal
115767554
10
Decimal
20442988
12
Duodecimal
6a1a524
16
Hexadecimal
137ef6c
20
Vigesimal
67f798
36
Base36
c65ws
md5
90fa819fe633517e2a7da01520d3904e
sha1
7830e6ade1765ce5511753b7926a79bf51dc37dc
sha256
1913fb2063e8fdf6245bb5e2e7b07cac50bc673a81da22ae8393db9b46220f93
sha512
243d5524ebecff35693e7b7b5dd08823004ac29857502d1d1d3b81ae44895383afbaa90db9fab787381555900b093ccf34998af45eb7bff2b1a50cc38dea2f01
ripemd-160
da9187a65af113e046d28cd57546f2f1bb7e3c3b
Diameter
40885976
Circumference
128447081.83645
Area
1.3129210763088E+15
Volume
3.578670641057E+22
Surface area
5.2516843052351E+15
Circumference
128447081.83645
Perimeter
81771952
Area
417915758368144
Diagonal
28910750.88503
Surface area
2507494550208864
Volume
8.5434468333309E+21
Space diagonal
35408293.874521
Perimeter
61328964
Area
1.8096283169433E+14
Altitude
17704146.93726
Surface area
1.8096283169433E+14
Volume
1.0068548650925E+21
Height
9636916.9616768