20121357 (number)

20121357 is an odd 8-digits composite number following 20121356 and preceding 20121358. In scientific notation, it is written as 2.0121357 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13414236 positive integers (up to 20121357) that are relatively prime to 20121357.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand three hundred fifty-seven

Notation

Scientific notation 2.0121357 × 10^7
Engineering notation 2.0121357 × 10^6

Prime Factorization of 20121357

Prime Factorization 3 × 6707119

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121357
Product of the distinct prime numbers

The prime factorization of 20121357 is 3 × 6707119. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121357)

Multiplication

n×y
n×2 40242714
n×3 60364071
n×4 80485428
n×5 100606785

Division

n÷y
n÷2 10060678.5
n÷3 6707119
n÷3 5030339.25
n÷5 4024271.4

Exponentiation

ny
n2 404869007521449
n3 8.1465138385748E+21
n4 1.639189132514E+29
n5 3.2982709725835E+36

Nth Root

y√n
2√n 4485.6835599494
3√n 271.98967755665
4√n 66.975245874497
5√n 28.888929783179

Divisors of 20121357

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 -20121356
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 20121357 can be divided by 4 positive divisors. The sum of these divisors (counting 20121357) is 1, the average is 0.25.

Base conversion 20121357

Base System Value
2 Binary 1001100110000011100001101
3 Ternary 1101212021022110
4 Quaternary 1030300130031
5 Quinary 20122340412
6 Senary 1555134233
8 Octal 114603415
10 Decimal 20121357
12 Duodecimal 68a4379
16 Hexadecimal 133070d
20 Vigesimal 65f37h
36 Base36 bz9ql

Cryptographic Hash Functions

md5 3c5dcd85e5206b94a7870ffbe397d62e
sha1 b5a31c59526d51361b2091578c5f38fad2152cc6
sha256 91e73a8df42b4fcd7c8cb463dff5c6af0100317bb9dfb77d26e5ef372e085fdc
sha512 fab3ba3de08fc7bb53b679c1d0163669e486865a4e20bfbdbd63cdee3351b59e30ed81637c66a7792a5894c9f1ced8e18a0590f6de6b9080498ca7791805ede6
ripemd-160 97cf7e7814c3f36ca227da7a16551e022f33949f

20121357 as geometric shapes

Circle

Radius = n
Diameter 40242714
Circumference 126426214.66292
Area 1.2719334996956E+15

Sphere

Radius = n
Volume 3.4124037370179E+22
Surface area 5.0877339987823E+15
Circumference 126426214.66292

Square

Length = n
Perimeter 80485428
Area 404869007521449
Diagonal 28455895.962751

Cube

Length = n
Surface area 2429214045128694
Volume 8.1465138385748E+21
Space diagonal 34851212.641232

Equilateral Triangle

Length = n
Perimeter 60364071
Area 1.7531342285928E+14
Altitude 17425606.320616

Triangular Pyramid

Length = n
Surface area 1.7531342285928E+14
Volume 9.6007586304771E+20
Height 9485298.6542503