20538982 is an even 8-digits composite number following 20538981
and preceding 20538983 . In scientific notation, it is written as 2.0538982 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 10269490 positive integers (up to 20538982) that are relatively prime to 20538982.
20538982 has 4 divisors, whose sum is 30808476
The reverse of 20538982 is 28983502
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million five hundred thirty-eight thousand nine hundred eighty-two
Scientific notation
2.0538982 × 10^7
Engineering notation
2.0538982 × 10^6
Prime Factorization
2 × 10269491
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20538982
Product of the distinct prime numbers
The prime factorization of 20538982 is 2 × 10269491.
Since it has a total of 2 prime factors.
10 , 3 , 83 , 89 , 89 , 33 , 2098 , 458 , 3121 , 92942 , 714612 , 848654 , 6406090 , 9086804 , 38286328 , 89007692 , 849159436 , 71179726 , 4437216322 , 7302732928
n×2
41077964
n×3
61616946
n×4
82155928
n×5
102694910
n÷2
10269491
n÷3
6846327.3333333
n÷3
5134745.5
n÷5
4107796.4
n2
421849781596324
n3
8.6643650709108E+21
n4
1.7795723823287E+29
n5
3.6550605128346E+36
2 √n
4531.9953662818
3 √n
273.85855025232
4 √n
67.320096303272
5 √n
29.007866153588
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
-20538981
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 20538982 can be divided by 4 positive divisors.
The sum of these divisors (counting 20538982) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010110011001100110
3
Ternary
1102122111012001
4
Quaternary
1032112121212
5
Quinary
20224221412
6
Senary
2012115514
8
Octal
116263146
10
Decimal
20538982
12
Duodecimal
6a65b9a
16
Hexadecimal
1396666
20
Vigesimal
687792
36
Base36
c87za
md5
4b4bf7673a9ab59dea95b7c7d5985727
sha1
fff0b33e15e9655c814a30e938d69224dfb271db
sha256
715383de0287a1c02607fe2c36206af13eb81c1fc27ff35cdff6b5203bc7c724
sha512
663c790f49150a6b254114ac4424fb0b075436d1a8d441ead660f750da711a9844d9db334e5ba0e9030c0411c554111b84b757fc335c468d582e8e7e36a3f4a2
ripemd-160
1e66081e1b458b57525bccc76cbbc71a73c3f672
Diameter
41077964
Circumference
129050229.92683
Area
1.3252801747815E+15
Volume
3.6293207539725E+22
Surface area
5.3011206991259E+15
Circumference
129050229.92683
Perimeter
82155928
Area
421849781596324
Diagonal
29046506.901737
Surface area
2531098689577944
Volume
8.6643650709108E+21
Space diagonal
35574560.359743
Perimeter
61616946
Area
1.8266631372167E+14
Altitude
17787280.179871
Surface area
1.8266631372167E+14
Volume
1.0211052160528E+21
Height
9682168.9672456