20121 (number)

20121 is an odd 5-digits composite number following 20120 and preceding 20122. In scientific notation, it is written as 2.0121 × 10^4. The sum of its digits is 6. It has a total of 3 prime factors and 8 positive divisors. There are 12672 positive integers (up to 20121) that are relatively prime to 20121.

Interesting facts

Basic properties

Name

Name twenty thousand one hundred twenty-one

Notation

Scientific notation 2.0121 × 10^4
Engineering notation 2.0121 × 10^3

Prime Factorization of 20121

Prime Factorization 3 × 19 × 353

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121
Product of the distinct prime numbers

The prime factorization of 20121 is 3 × 19 × 353. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121)

Multiplication

n×y
n×2 40242
n×3 60363
n×4 80484
n×5 100605

Division

n÷y
n÷2 10060.5
n÷3 6707
n÷3 5030.25
n÷5 4024.2

Exponentiation

ny
n2 404854641
n3 8146080231561
n4 163907280339238881
n5 3.2979783877058E+21

Nth Root

y√n
2√n 141.84851074298
3√n 27.198806896917
4√n 11.910017243605
5√n 7.2565453244241

Divisors of 20121

1, 3, 19, 57, 353, 1059, 6707, 20121

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20120
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121 can be divided by 8 positive divisors. The sum of these divisors (counting 20121) is 1, the average is 0.125.

Base conversion 20121

Base System Value
2 Binary 100111010011001
3 Ternary 1000121020
4 Quaternary 10322121
5 Quinary 1120441
6 Senary 233053
8 Octal 47231
10 Decimal 20121
12 Duodecimal b789
16 Hexadecimal 4e99
20 Vigesimal 2a61
36 Base36 fix

Cryptographic Hash Functions

md5 e34efa3403c4f206c11404a6fbc37cd0
sha1 8018521587db8865ea28688175721a4bcb4ab456
sha256 12ae265fcfe315a363b94cb06b5634257af6517781d59af94fab6a618bf70f23
sha512 5ac5e9976857e6837c1eb85b96e5864529e51438751a8d6b5d2030949d66558f9d752ccbffce223a2e9616931d146e05eed0475f268af7d6e440100d992308b6
ripemd-160 d0bc17dcd7394a5dbe5f20a0d06aa91d9c87bb4f

20121 as geometric shapes

Circle

Radius = n
Diameter 40242
Circumference 126423.97156576
Area 1271888365.9373

Sphere

Radius = n
Volume 34122221081367
Surface area 5087553463.7493
Circumference 126423.97156576

Square

Length = n
Perimeter 80484
Area 404854641
Diagonal 28455.391088509

Cube

Length = n
Surface area 2429127846
Volume 8146080231561
Space diagonal 34850.594299093

Equilateral Triangle

Length = n
Perimeter 60363
Area 175307201.97301
Altitude 17425.297149547

Triangular Pyramid

Length = n
Surface area 175307201.97301
Volume 960024761971.08
Height 9485.1303628363