20121950 is an even 8-digits composite number following 20121949
and preceding 20121951 . In scientific notation, it is written as 2.0121950 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors.
There are 7475040 positive integers (up to 20121950) that are relatively prime to 20121950.
20121950 has 32 divisors, whose sum is 33696000
The reverse of 20121950 is 05912102
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-one thousand nine hundred fifty
Scientific notation
2.0121950 × 10^7
Engineering notation
2.0121950 × 10^6
Prime Factorization
2 × 25 × 359 × 19 × 59
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20121950
Product of the distinct prime numbers
The prime factorization of 20121950 is 2 × 25 × 359 × 19 × 59.
Since it has a total of 5 prime factors.
9 , 5 , 32 , 42 , 24 , 457 , 1925 , 6451 , 82200 , 2659 , 325781 , 392562 , 5219552 , 3842081 , 41724216 , 26252791 , 565168969 , 869711211 , 3887838806 , 8382954784
n×2
40243900
n×3
60365850
n×4
80487800
n×5
100609750
n÷2
10060975
n÷3
6707316.6666667
n÷3
5030487.5
n÷5
4024390
n2
404892871802500
n3
8.1472341217663E+21
n4
1.6393823763648E+29
n5
3.2987570208093E+36
2 √n
4485.7496586412
3 √n
271.99234948205
4 √n
66.975739328814
5 √n
28.889100059304
1 , 2 , 19 , 25 , 38 , 50 , 59 , 118 , 359 , 475 , 718 , 950 , 1121 , 1475 , 2242 , 2950 , 6821 , 8975 , 13642 , 17950 , 21181 , 28025 , 42362 , 56050 , 170525 , 341050 , 402439 , 529525 , 804878 , 1059050 , 10060975 , 20121950
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121949
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121950 can be divided by 32 positive divisors.
The sum of these divisors (counting 20121950) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000100101011110
3
Ternary
1101212022010102
4
Quaternary
1030300211132
5
Quinary
20122400300
6
Senary
1555141102
8
Octal
114604536
10
Decimal
20121950
12
Duodecimal
68a4792
16
Hexadecimal
133095e
20
Vigesimal
65f4ha
36
Base36
bza72
md5
3b4e1a28cb93095999f46a4628e0a29c
sha1
a014931a77332949813dec290ca74c261cfff55a
sha256
1b8a071b92484f201a7839438f680b889b6a9ea9adbedd18b49f2cff05292a9e
sha512
cb494e213f376f444c9578431f00457c51bb298c60d7a63a283f6e4f733cf69b98ef8988b82262132845ea37a1277644c5ab3fc0b94ef800412716d562e5e11a
ripemd-160
dc3e276e5b688eb9ba297f0d09db3b6cfb4ac807
Diameter
40243900
Circumference
126429940.5918
Area
1.2720084715456E+15
Volume
3.4127054485356E+22
Surface area
5.0880338861824E+15
Circumference
126429940.5918
Perimeter
80487800
Area
404892871802500
Diagonal
28456734.591393
Surface area
2429357230815000
Volume
8.1472341217663E+21
Space diagonal
34852239.747361
Perimeter
60365850
Area
1.753237563961E+14
Altitude
17426119.87368
Surface area
1.753237563961E+14
Volume
9.601607492359E+20
Height
9485578.1971311