20124890 is an even 8-digits composite number following 20124889
and preceding 20124891 . In scientific notation, it is written as 2.0124890 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 7790160 positive integers (up to 20124890) that are relatively prime to 20124890.
20124890 has 16 divisors, whose sum is 37393920
The reverse of 20124890 is 09842102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-four thousand eight hundred ninety
Scientific notation
2.0124890 × 10^7
Engineering notation
2.0124890 × 10^6
Prime Factorization
2 × 5 × 31 × 64919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20124890
Product of the distinct prime numbers
The prime factorization of 20124890 is 2 × 5 × 31 × 64919.
Since it has a total of 4 prime factors.
7 , 2 , 69 , 32 , 611 , 297 , 7102 , 6274 , 81833 , 16678 , 136992 , 250534 , 6057447 , 3810302 , 36847493 , 14145902 , 524202002 , 552642992 , 4896075861 , 8512757298
n×2
40249780
n×3
60374670
n×4
80499560
n×5
100624450
n÷2
10062445
n÷3
6708296.6666667
n÷3
5031222.5
n÷5
4024978
n2
405011197512100
n3
8.1508057986993E+21
n4
1.6403407011019E+29
n5
3.3011676172198E+36
2 √n
4486.0773510942
3 √n
272.00559568938
4 √n
66.978185636028
5 √n
28.889944202051
1 , 2 , 5 , 10 , 31 , 62 , 155 , 310 , 64919 , 129838 , 324595 , 649190 , 2012489 , 4024978 , 10062445 , 20124890
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
-20124889
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 20124890 can be divided by 16 positive divisors.
The sum of these divisors (counting 20124890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001010011011010
3
Ternary
1101212110011022
4
Quaternary
1030301103122
5
Quinary
20122444030
6
Senary
1555202442
8
Octal
114612332
10
Decimal
20124890
12
Duodecimal
68a6422
16
Hexadecimal
13314da
20
Vigesimal
65fc4a
36
Base36
bzcgq
md5
7cfb3f7c0de540f48b5d0a28b5cbcf66
sha1
5c0c3c4e21f14bf408953befc60de4f9605264f7
sha256
08400704ab83ce1718dbc4dac9af5650e89a74f5eaaa107e202f04d2a8dd7101
sha512
affeda141fb0e1b3dfe07fac96302611e8fa9da3e4dc6d2bbcf4f8f628853cbb69b2708e71ed64c06dc990784da881512b7aac198a6ebe20226b38b03625262f
ripemd-160
6a7f6855b21ed4c9cb6b2f99cc04ac21fdb8aeed
Diameter
40249780
Circumference
126448413.15661
Area
1.2723802027256E+15
Volume
3.4142015490708E+22
Surface area
5.0895208109025E+15
Circumference
126448413.15661
Perimeter
80499560
Area
405011197512100
Diagonal
28460892.379267
Surface area
2430067185072600
Volume
8.1508057986993E+21
Space diagonal
34857331.976735
Perimeter
60374670
Area
1.7537499293132E+14
Altitude
17428665.988367
Surface area
1.7537499293132E+14
Volume
9.6058167539915E+20
Height
9486964.1264222