20543989 is an odd 8-digits composite number following 20543988
and preceding 20543990 . In scientific notation, it is written as 2.0543989 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 20494540 positive integers (up to 20543989) that are relatively prime to 20543989.
20543989 has 4 divisors, whose sum is 20593440
The reverse of 20543989 is 98934502
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million five hundred forty-three thousand nine hundred eighty-nine
Scientific notation
2.0543989 × 10^7
Engineering notation
2.0543989 × 10^6
Prime Factorization
419 × 49031
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20543989
Product of the distinct prime numbers
The prime factorization of 20543989 is 419 × 49031.
Since it has a total of 2 prime factors.
1 , 5 , 80 , 17 , 798 , 6 , 8846 , 557 , 27965 , 75929 , 221575 , 19074 , 2805539 , 5544453 , 17022486 , 40786907 , 314036056 , 263617814 , 4865908723 , 9509822264
n×2
41087978
n×3
61631967
n×4
82175956
n×5
102719945
n÷2
10271994.5
n÷3
6847996.3333333
n÷3
5135997.25
n÷5
4108797.8
n2
422055484032121
n3
8.6707032213456E+21
n4
1.7813083160159E+29
n5
3.6595178449839E+36
2 √n
4532.5477383035
3 √n
273.88080222098
4 √n
67.324198757234
5 √n
29.009280325186
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
-20543988
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 20543989 can be divided by 4 positive divisors.
The sum of these divisors (counting 20543989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010111100111110101
3
Ternary
1102122202001111
4
Quaternary
1032113213311
5
Quinary
20224401424
6
Senary
2012155021
8
Octal
116274765
10
Decimal
20543989
12
Duodecimal
6a68a71
16
Hexadecimal
13979f5
20
Vigesimal
687jj9
36
Base36
c8bud
md5
64b18109ac17f0fba088c5146ea287b8
sha1
58401b72a1065b7f2fc8392eea9406a21e0f93c8
sha256
b3b3d2fad1cbef899f19b79aea02baaea0a4ce4c502302191c868b8694585a49
sha512
0332e87be680e74714f3e2d159eb756d93b97ab2b0a1418f5dd7124fc7b5178c1e97ba0faf2f2aae01c0fa44fadacec731107569375636d125d0c8113d0d10b5
ripemd-160
6b40e1d5059bbbb59708e1b0addec64e95934081
Diameter
41087978
Circumference
129081689.83566
Area
1.3259264080426E+15
Volume
3.6319756722182E+22
Surface area
5.3037056321704E+15
Circumference
129081689.83566
Perimeter
82175956
Area
422055484032121
Diagonal
29053587.869044
Surface area
2532332904192726
Volume
8.6707032213456E+21
Space diagonal
35583232.738136
Perimeter
61631967
Area
1.8275538548918E+14
Altitude
17791616.369068
Surface area
1.8275538548918E+14
Volume
1.0218521742449E+21
Height
9684529.2896812