20121361 (number)

20121361 is an odd 8-digits composite number following 20121360 and preceding 20121362. In scientific notation, it is written as 2.0121361 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 17595792 positive integers (up to 20121361) that are relatively prime to 20121361.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand three hundred sixty-one

Notation

Scientific notation 2.0121361 × 10^7
Engineering notation 2.0121361 × 10^6

Prime Factorization of 20121361

Prime Factorization 19 × 13 × 81463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121361
Product of the distinct prime numbers

The prime factorization of 20121361 is 19 × 13 × 81463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121361)

Multiplication

n×y
n×2 40242722
n×3 60364083
n×4 80485444
n×5 100606805

Division

n÷y
n÷2 10060680.5
n÷3 6707120.3333333
n÷3 5030340.25
n÷5 4024272.2

Exponentiation

ny
n2 404869168492321
n3 8.1465186970038E+21
n4 1.6391904359566E+29
n5 3.2982742509631E+36

Nth Root

y√n
2√n 4485.6840058123
3√n 271.98969557993
4√n 66.975249203062
5√n 28.888930931767

Divisors of 20121361

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 -20121360
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 20121361 can be divided by 8 positive divisors. The sum of these divisors (counting 20121361) is 1, the average is 0.125.

Base conversion 20121361

Base System Value
2 Binary 1001100110000011100010001
3 Ternary 1101212021022121
4 Quaternary 1030300130101
5 Quinary 20122340421
6 Senary 1555134241
8 Octal 114603421
10 Decimal 20121361
12 Duodecimal 68a4381
16 Hexadecimal 1330711
20 Vigesimal 65f381
36 Base36 bz9qp

Cryptographic Hash Functions

md5 d43fc04a2b67f6eb350d95635cd4f877
sha1 14b12f92be628d7551cd3ed1f3dba1c8aa9bb77f
sha256 9b2b34d154192dd37bb49f4ed40ca3ce774caf0c7a9a5100b7fadd896d48336a
sha512 7e58e87a3363166fd2268641e3097de2ab5b10f11234ba53bd8ba08505e127649af78761c9920d8238954e2a7709835f4cef1d983342dca6ccc76b05bcadd49e
ripemd-160 027bacf07f2b4ee6cc33f264b28636dac1609925

20121361 as geometric shapes

Circle

Radius = n
Diameter 40242722
Circumference 126426239.79566
Area 1.2719340054005E+15

Sphere

Radius = n
Volume 3.4124057721119E+22
Surface area 5.0877360216019E+15
Circumference 126426239.79566

Square

Length = n
Perimeter 80485444
Area 404869168492321
Diagonal 28455901.619605

Cube

Length = n
Surface area 2429215010953926
Volume 8.1465186970038E+21
Space diagonal 34851219.569435

Equilateral Triangle

Length = n
Perimeter 60364083
Area 1.7531349256172E+14
Altitude 17425609.784717

Triangular Pyramid

Length = n
Surface area 1.7531349256172E+14
Volume 9.6007643561907E+20
Height 9485300.5398684