20854490 is an even 8-digits composite number following 20854489
and preceding 20854491 . In scientific notation, it is written as 2.0854490 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 8304144 positive integers (up to 20854490) that are relatively prime to 20854490.
20854490 has 16 divisors, whose sum is 37707552
The reverse of 20854490 is 09445802
Previous prime number is 227
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eight hundred fifty-four thousand four hundred ninety
Scientific notation
2.0854490 × 10^7
Engineering notation
2.0854490 × 10^6
Prime Factorization
2 × 5 × 227 × 9187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20854490
Product of the distinct prime numbers
The prime factorization of 20854490 is 2 × 5 × 227 × 9187.
Since it has a total of 4 prime factors.
8 , 9 , 54 , 31 , 95 , 348 , 3031 , 2939 , 46760 , 76619 , 803594 , 266953 , 2984886 , 1359719 , 35953923 , 93863766 , 745533623 , 524115598 , 837395380 , 8561422685
n×2
41708980
n×3
62563470
n×4
83417960
n×5
104272450
n÷2
10427245
n÷3
6951496.6666667
n÷3
5213622.5
n÷5
4170898
n2
434909753160100
n3
9.0698210981798E+21
n4
1.8914649339378E+29
n5
3.9445536550156E+36
2 √n
4566.6716544985
3 √n
275.25371626145
4 √n
67.577153347108
5 √n
29.096443963676
1 , 2 , 5 , 10 , 227 , 454 , 1135 , 2270 , 9187 , 18374 , 45935 , 91870 , 2085449 , 4170898 , 10427245 , 20854490
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20854489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20854490 can be divided by 16 positive divisors.
The sum of these divisors (counting 20854490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100011011011011010
3
Ternary
1110020111222112
4
Quaternary
1033203123122
5
Quinary
20314320430
6
Senary
2022552322
8
Octal
117433332
10
Decimal
20854490
12
Duodecimal
6b986a2
16
Hexadecimal
13e36da
20
Vigesimal
6a6g4a
36
Base36
cezfe
md5
52e2c17b74e7aa083612468efdb9c077
sha1
4d82c4de8d0300b9057c9ea0518758abc880cbdd
sha256
71f08358f46e20152ca16f8c72a09fe7106de08d1e571359f46f78c5009b6a98
sha512
b83d69dbb7c047f6465cc71c67b73226e3db2f2dd7731d4279cde45205bcc9cf5b4448d1056c41a40abbe694456f7fabc48343c44c40ecf1eca3fb07da618d09
ripemd-160
29736be84be077d1e022a6d5e6c00ded2aa3637f
Diameter
41708980
Circumference
131032625.15672
Area
1.3663092855023E+15
Volume
3.799157777522E+22
Surface area
5.4652371420093E+15
Circumference
131032625.15672
Perimeter
83417960
Area
434909753160100
Diagonal
29492702.594374
Surface area
2609458518960600
Volume
9.0698210981798E+21
Space diagonal
36121036.245937
Perimeter
62563470
Area
1.8832144729513E+14
Altitude
18060518.122969
Surface area
1.8832144729513E+14
Volume
1.068888667112E+21
Height
9830900.8647914