20512121 is an odd 8-digits composite number following 20512120
and preceding 20512122 . In scientific notation, it is written as 2.0512121 × 10^7.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 17581812 positive integers (up to 20512121) that are relatively prime to 20512121.
20512121 has 4 divisors, whose sum is 23442432
The reverse of 20512121 is 12121502
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty million five hundred twelve thousand one hundred twenty-one
Scientific notation
2.0512121 × 10^7
Engineering notation
2.0512121 × 10^6
Prime Factorization
7 × 2930303
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20512121
Product of the distinct prime numbers
The prime factorization of 20512121 is 7 × 2930303.
Since it has a total of 2 prime factors.
10 , 2 , 4 , 59 , 653 , 812 , 8893 , 6245 , 62766 , 37586 , 298612 , 349771 , 9988081 , 6703755 , 63753480 , 17439762 , 57943155 , 895554984 , 1041010826 , 5485064887
n×2
41024242
n×3
61536363
n×4
82048484
n×5
102560605
n÷2
10256060.5
n÷3
6837373.6666667
n÷3
5128030.25
n÷5
4102424.2
n2
420747107918641
n3
8.6304155880272E+21
n4
1.770281288219E+29
n5
3.6312223987984E+36
2 √n
4529.0309117956
3 √n
273.73911356943
4 √n
67.298075097254
5 √n
29.000274850187
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
-20512120
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 20512121 can be divided by 4 positive divisors.
The sum of these divisors (counting 20512121) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001111110101111001
3
Ternary
1102121010100012
4
Quaternary
1032033311321
5
Quinary
20222341441
6
Senary
2011351305
8
Octal
116176571
10
Decimal
20512121
12
Duodecimal
6a52535
16
Hexadecimal
138fd79
20
Vigesimal
684061
36
Base36
c7n95
md5
b7c5dd5df270115af8e78f5d405a190b
sha1
bf32e5bd90b198382992500120f662cc14dc2bcc
sha256
53819cdbb5d60c0355a4b5c76fda93dc32ed4a5b3c7673631d92c43d3acef3d6
sha512
11690d91292e0f9772875aa1587af5c133f462c96c479ee30fb21112796f00e75f964534f982627cf186ad07f01549b3a84919fbb1f332bd4e91e8b52fe8d339
ripemd-160
bcf47b965d5283ee8254cac8ed1a199b49ffaf9a
Diameter
41024242
Circumference
128881457.28629
Area
1.3218160232564E+15
Volume
3.6151000278364E+22
Surface area
5.2872640930254E+15
Circumference
128881457.28629
Perimeter
82048484
Area
420747107918641
Diagonal
29008519.711238
Surface area
2524482647511846
Volume
8.6304155880272E+21
Space diagonal
35528035.743001
Perimeter
61536363
Area
1.8218884201319E+14
Altitude
17764017.8715
Surface area
1.8218884201319E+14
Volume
1.0171042311254E+21
Height
9669506.5704127