20215121 is an odd 8-digits composite number following 20215120
and preceding 20215122 . In scientific notation, it is written as 2.0215121 × 10^7.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 20205732 positive integers (up to 20215121) that are relatively prime to 20215121.
20215121 has 4 divisors, whose sum is 20224512
The reverse of 20215121 is 12151202
Previous prime number is 3343
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty million two hundred fifteen thousand one hundred twenty-one
Scientific notation
2.0215121 × 10^7
Engineering notation
2.0215121 × 10^6
Prime Factorization
3343 × 6047
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20215121
Product of the distinct prime numbers
The prime factorization of 20215121 is 3343 × 6047.
Since it has a total of 2 prime factors.
2 , 9 , 10 , 65 , 11 , 218 , 9386 , 6569 , 63001 , 75289 , 860631 , 646497 , 7571498 , 334669 , 93548929 , 67085945 , 46548159 , 880525822 , 8890518240 , 2211109503
n×2
40430242
n×3
60645363
n×4
80860484
n×5
101075605
n÷2
10107560.5
n÷3
6738373.6666667
n÷3
5053780.25
n÷5
4043024.2
n2
408651117044641
n3
8.2609317778426E+21
n4
1.6699573546183E+29
n5
3.3758389988449E+36
2 √n
4496.1228853313
3 √n
272.41150677017
4 √n
67.053134791233
5 √n
28.915803782491
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
-20215120
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 20215121 can be divided by 4 positive divisors.
The sum of these divisors (counting 20215121) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000111010101010001
3
Ternary
1102001000221012
4
Quaternary
1031013111101
5
Quinary
20133340441
6
Senary
2001140305
8
Octal
115072521
10
Decimal
20215121
12
Duodecimal
692a695
16
Hexadecimal
1347551
20
Vigesimal
666hg1
36
Base36
c1a35
md5
09c6a5d3abc53ada8511037d777c46b2
sha1
e4acfd00a7635eb25d79f91f825c526793a9ef61
sha256
4fff00bc0f86edffac6e1fad6da037449716b56ad222fbb643a225da61559f8e
sha512
332305a830f3cdbb9cb36d83634163758bca99502ad5eea86c1b3a989efdaf8d6a9d6c7e8763a063568d5c7b4a829370949b5d266f231b237a50449fb77be563
ripemd-160
8c22ed38972eafe9381bc34d9e86eaaf48286b6b
Diameter
40430242
Circumference
127015351.25006
Area
1.2838153471887E+15
Volume
3.4603310113436E+22
Surface area
5.1352613887548E+15
Circumference
127015351.25006
Perimeter
80860484
Area
408651117044641
Diagonal
28588498.283213
Surface area
2451906702267846
Volume
8.2609317778426E+21
Space diagonal
35013616.653153
Perimeter
60645363
Area
1.7695112432277E+14
Altitude
17506808.326576
Surface area
1.7695112432277E+14
Volume
9.7356014650532E+20
Height
9529499.4277377