20442978 is an even 8-digits composite number following 20442977
and preceding 20442979 . In scientific notation, it is written as 2.0442978 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 6814320 positive integers (up to 20442978) that are relatively prime to 20442978.
20442978 has 12 divisors, whose sum is 44293158
The reverse of 20442978 is 87924402
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million four hundred forty-two thousand nine hundred seventy-eight
Scientific notation
2.0442978 × 10^7
Engineering notation
2.0442978 × 10^6
Prime Factorization
2 × 3 × 3 × 1135721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6814326
Product of the distinct prime numbers
The prime factorization of 20442978 is 2 × 3 × 3 × 1135721.
Since it has a total of 4 prime factors.
5 , 2 , 87 , 97 , 623 , 920 , 8961 , 7374 , 11103 , 19201 , 155413 , 50145 , 5467640 , 4289595 , 2719344 , 97919603 , 282361990 , 252123290 , 3492349127 , 591058961
n×2
40885956
n×3
61328934
n×4
81771912
n×5
102214890
n÷2
10221489
n÷3
6814326
n÷3
5110744.5
n÷5
4088595.6
n2
417915349508484
n3
8.5434342958642E+21
n4
1.746532393548E+29
n5
3.5704323297589E+36
2 √n
4521.3911575974
3 √n
273.43119075293
4 √n
67.241290570582
5 √n
28.980697400157
1 , 2 , 3 , 6 , 9 , 18 , 1135721 , 2271442 , 3407163 , 6814326 , 10221489 , 20442978
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
-20442977
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 20442978 can be divided by 12 positive divisors.
The sum of these divisors (counting 20442978) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101111110111101100010
3
Ternary
1102110121111100
4
Quaternary
1031332331202
5
Quinary
20213133403
6
Senary
2010055230
8
Octal
115767542
10
Decimal
20442978
12
Duodecimal
6a1a516
16
Hexadecimal
137ef62
20
Vigesimal
67f78i
36
Base36
c65wi
md5
84f99105263458f03286d4685719f61d
sha1
da8abc0bd2e4ccba2ea3b0f2807945c6d81b114d
sha256
ac9452054312d28405b4c335031d3571d85c32dc299963138a4b0a618bb192b4
sha512
b74e1e645bd2e8c0ce0aa72ec39d0136706ecafe6fce2eff96a885ed4a8c93df83028cc73d7e795a880d1c2616c1bf105d558b5a6d708c5c97edb4893f8e7e61
ripemd-160
7b171d14eded9365f1045197f9f345b98bebb233
Diameter
40885956
Circumference
128447019.0046
Area
1.3129197918383E+15
Volume
3.5786653893752E+22
Surface area
5.2516791673531E+15
Circumference
128447019.0046
Perimeter
81771912
Area
417915349508484
Diagonal
28910736.742895
Surface area
2507492097050904
Volume
8.5434342958642E+21
Space diagonal
35408276.554013
Perimeter
61328934
Area
1.809626546529E+14
Altitude
17704138.277006
Surface area
1.809626546529E+14
Volume
1.0068533875379E+21
Height
9636912.2476316