20442991 is an odd 8-digits composite number following 20442990
and preceding 20442992 . In scientific notation, it is written as 2.0442991 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 20107800 positive integers (up to 20442991) that are relatively prime to 20442991.
20442991 has 4 divisors, whose sum is 20778184
The reverse of 20442991 is 19924402
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred forty-two thousand nine hundred ninety-one
Scientific notation
2.0442991 × 10^7
Engineering notation
2.0442991 × 10^6
Prime Factorization
61 × 335131
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20442991
Product of the distinct prime numbers
The prime factorization of 20442991 is 61 × 335131.
Since it has a total of 2 prime factors.
9 , 4 , 82 , 2 , 595 , 701 , 8932 , 621 , 61437 , 26125 , 899874 , 989405 , 5701366 , 9713685 , 58540542 , 7688995 , 960732601 , 652934409 , 6246960891 , 5609252671
n×2
40885982
n×3
61328973
n×4
81771964
n×5
102214955
n÷2
10221495.5
n÷3
6814330.3333333
n÷3
5110747.75
n÷5
4088598.2
n2
417915881026081
n3
8.5434505945732E+21
n4
1.7465368361381E+29
n5
3.5704436822339E+36
2 √n
4521.3925952078
3 √n
273.4312487126
4 √n
67.241301260519
5 √n
28.980701086009
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20442990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20442991 can be divided by 4 positive divisors.
The sum of these divisors (counting 20442991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101111110111101101111
3
Ternary
1102110121111211
4
Quaternary
1031332331233
5
Quinary
20213133431
6
Senary
2010055251
8
Octal
115767557
10
Decimal
20442991
12
Duodecimal
6a1a527
16
Hexadecimal
137ef6f
20
Vigesimal
67f79b
36
Base36
c65wv
md5
a7bea78a2ba7ed69f592ab160812e242
sha1
368f039ebc65c94ce6737f075b6d07fe7b6a77f5
sha256
e90068023ea2c76dfef9abae90f4e6a93b425e6b821a3f25491dbae07c3ae0f1
sha512
3fd61a5add59fb52108abcf1d66e6597978a17cb5ce323496f2ab1002ced861d4e493f116e3f4b973fc705d1e54139c46df61d17c1710a2ccea7c7f1fd46ba62
ripemd-160
364289814b4fb8b1726a7b639157a173b8d97848
Diameter
40885982
Circumference
128447100.686
Area
1.31292146165E+15
Volume
3.5786722165625E+22
Surface area
5.2516858466002E+15
Circumference
128447100.686
Perimeter
81771964
Area
417915881026081
Diagonal
28910755.127671
Surface area
2507495286156486
Volume
8.5434505945732E+21
Space diagonal
35408299.070673
Perimeter
61328973
Area
1.8096288480677E+14
Altitude
17704149.535337
Surface area
1.8096288480677E+14
Volume
1.0068553083592E+21
Height
9636918.3758904