21057897 (number)

21057897 is an odd 8-digits composite number following 21057896 and preceding 21057898. In scientific notation, it is written as 2.1057897 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 11642400 positive integers (up to 21057897) that are relatively prime to 21057897.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-seven thousand eight hundred ninety-seven

Notation

Scientific notation 2.1057897 × 10^7
Engineering notation 2.1057897 × 10^6

Prime Factorization of 21057897

Prime Factorization 217 × 3 × 7 × 4621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21057897
Product of the distinct prime numbers

The prime factorization of 21057897 is 217 × 3 × 7 × 4621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 12, 16, 8, 707, 8109, 4590, 26108, 10557, 112698, 834676, 911396, 3593731, 92082804, 42714597, 541642207, 138073660, 2593779425, 6752900785

Basic calculations (n = 21057897)

Multiplication

n×y
n×2 42115794
n×3 63173691
n×4 84231588
n×5 105289485

Division

n÷y
n÷2 10528948.5
n÷3 7019299
n÷3 5264474.25
n÷5 4211579.4

Exponentiation

ny
n2 443435026062609
n3 9.3378091050187E+21
n4 1.9663462233915E+29
n5 4.1407116238517E+36

Nth Root

y√n
2√n 4588.8884274953
3√n 276.14573011818
4√n 67.741334704117
5√n 29.152983003043

Divisors of 21057897

1, 3, 7, 21, 217, 651, 1519, 4557, 4621, 13863, 32347, 97041, 1002757, 3008271, 7019299, 21057897

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21057896
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21057897 can be divided by 16 positive divisors. The sum of these divisors (counting 21057897) is 1, the average is 0.0625.

Base conversion 21057897

Base System Value
2 Binary 1010000010101000101101001
3 Ternary 1110121212000010
4 Quaternary 1100111011221
5 Quinary 20342323042
6 Senary 2031202133
8 Octal 120250551
10 Decimal 21057897
12 Duodecimal 7076349
16 Hexadecimal 1415169
20 Vigesimal 6bc4eh
36 Base36 cjcdl

Cryptographic Hash Functions

md5 47aa7140c7cfe4b0dbbdfe93948eaced
sha1 cdd8d730037d0770362b0a912352166a238f9a51
sha256 2291f43f41d65eb50b67db98d67e872b53561aa3d2d1c95732e2bfe08a7795c7
sha512 43da48012c3281496a279d388fda18808c548281ebbf3b85a3e0b4646bb99d113f74f4cbf3ef11a58b746646ecfe281b3ace909508c749ba6c8f08f8d1376bb1
ripemd-160 1ce35b82bc569b8485269876f4fc6ca1e8b2b7cb

21057897 as geometric shapes

Circle

Radius = n
Diameter 42115794
Circumference 132310669.0305
Area 1.3930922202227E+15

Sphere

Radius = n
Volume 3.9114123313268E+22
Surface area 5.5723688808908E+15
Circumference 132310669.0305

Square

Length = n
Perimeter 84231588
Area 443435026062609
Diagonal 29780363.532456

Cube

Length = n
Surface area 2660610156375654
Volume 9.3378091050187E+21
Space diagonal 36473347.504552

Equilateral Triangle

Length = n
Perimeter 63173691
Area 1.9201299874902E+14
Altitude 18236673.752276

Triangular Pyramid

Length = n
Surface area 1.9201299874902E+14
Volume 1.1004713565974E+21
Height 9926787.8441519