20123490 is an even 8-digits composite number following 20123489
and preceding 20123491 . In scientific notation, it is written as 2.0123490 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 5315264 positive integers (up to 20123490) that are relatively prime to 20123490.
20123490 has 16 divisors, whose sum is 32503680
The reverse of 20123490 is 09432102
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-three thousand four hundred ninety
Scientific notation
2.0123490 × 10^7
Engineering notation
2.0123490 × 10^6
Prime Factorization
2 × 15 × 107 × 6269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20123490
Product of the distinct prime numbers
The prime factorization of 20123490 is 2 × 15 × 107 × 6269.
Since it has a total of 4 prime factors.
1 , 2 , 26 , 60 , 889 , 20 , 68 , 8354 , 25316 , 40394 , 916095 , 307580 , 2956760 , 9848620 , 58060039 , 87612107 , 300549237 , 951809026 , 5511438086 , 6508059775
n×2
40246980
n×3
60370470
n×4
80493960
n×5
100617450
n÷2
10061745
n÷3
6707830
n÷3
5030872.5
n÷5
4024698
n2
404954849780100
n3
8.1491048700013E+21
n4
1.6398843036042E+29
n5
3.3000195384737E+36
2 √n
4485.9213100544
3 √n
271.99928813251
4 √n
66.977020761261
5 √n
28.889542241619
1 , 2 , 15 , 30 , 107 , 214 , 1605 , 3210 , 6269 , 12538 , 94035 , 188070 , 670783 , 1341566 , 10061745 , 20123490
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
-20123489
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 20123490 can be divided by 16 positive divisors.
The sum of these divisors (counting 20123490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000111101100010
3
Ternary
1101212101020110
4
Quaternary
1030300331202
5
Quinary
20122422430
6
Senary
1555152150
8
Octal
114607542
10
Decimal
20123490
12
Duodecimal
68a5656
16
Hexadecimal
1330f62
20
Vigesimal
65f8ea
36
Base36
bzbdu
md5
89c1ae01956c7788f2ce3f4e6acf31ec
sha1
7da14dcd4a7b49bdea6647e2535113ee3b04e06d
sha256
4b02942c65c741a354459bb5e8b77d34b81b398b419f90c49002ecd07c346ca9
sha512
3188203f32e374810f94a500b217baf16d7f88fade67a097282b6594f0ae81176865a58ef03fa677ff08f5763537a521cb2a243d97b4d2403485552bad25665e
ripemd-160
fa1dc7ef966f60577a93951b7e662d1523c2cfb1
Diameter
40246980
Circumference
126439616.69718
Area
1.2722031811047E+15
Volume
3.4134890657239E+22
Surface area
5.0888127244189E+15
Circumference
126439616.69718
Perimeter
80493960
Area
404954849780100
Diagonal
28458912.480279
Surface area
2429729098680600
Volume
8.1491048700013E+21
Space diagonal
34854907.105604
Perimeter
60370470
Area
1.7535059364764E+14
Altitude
17427453.552802
Surface area
1.7535059364764E+14
Volume
9.6038121902971E+20
Height
9486304.1600931