21293857 (number)

21293857 is an odd 8-digits composite number following 21293856 and preceding 21293858. In scientific notation, it is written as 2.1293857 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 19625088 positive integers (up to 21293857) that are relatively prime to 21293857.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1293857 × 10^7
Engineering notation 2.1293857 × 10^6

Prime Factorization of 21293857

Prime Factorization 13 × 1373 × 1193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21293857
Product of the distinct prime numbers

The prime factorization of 21293857 is 13 × 1373 × 1193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21293857)

Multiplication

n×y
n×2 42587714
n×3 63881571
n×4 85175428
n×5 106469285

Division

n÷y
n÷2 10646928.5
n÷3 7097952.3333333
n÷3 5323464.25
n÷5 4258771.4

Exponentiation

ny
n2 453428345936449
n3 9.6552383581173E+21
n4 2.0559726489866E+29
n5 4.3779587583433E+36

Nth Root

y√n
2√n 4614.526736297
3√n 277.1733331071
4√n 67.930307936127
5√n 29.21802569301

Divisors of 21293857

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 -21293856
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 21293857 can be divided by 8 positive divisors. The sum of these divisors (counting 21293857) is 1, the average is 0.125.

Base conversion 21293857

Base System Value
2 Binary 1010001001110101100100001
3 Ternary 1111001211200101
4 Quaternary 1101032230201
5 Quinary 20422400412
6 Senary 2040222401
8 Octal 121165441
10 Decimal 21293857
12 Duodecimal 716aa01
16 Hexadecimal 144eb21
20 Vigesimal 6d1ech
36 Base36 coeg1

Cryptographic Hash Functions

md5 b44a363ed872ce75652e536d3f05182c
sha1 f2349923f68597d30f8eb812a2945f4c9e48d32e
sha256 5bb9776212936f0e91b2e62500c0abade1e12a51011bf1f76455a6dd593d7929
sha512 7fcc137c7d2b621a98bfff934bf060888fb747a9e4cafc898dc0fdb5e58125d7b3a92a54dfd4072646401908348c9850cb536c5e45b39d9d6612b0b62a276461
ripemd-160 343affb5edc2b9f7c4a7cbaea13389ceaade9179

21293857 as geometric shapes

Circle

Radius = n
Diameter 42587714
Circumference 133793249.43558
Area 1.4244871605233E+15

Sphere

Radius = n
Volume 4.0443767859359E+22
Surface area 5.6979486420933E+15
Circumference 133793249.43558

Square

Length = n
Perimeter 85175428
Area 453428345936449
Diagonal 30114061.364633

Cube

Length = n
Surface area 2720570075618694
Volume 9.6552383581173E+21
Space diagonal 36882042.213106

Equilateral Triangle

Length = n
Perimeter 63881571
Area 1.9634023318846E+14
Altitude 18441021.106553

Triangular Pyramid

Length = n
Surface area 1.9634023318846E+14
Volume 1.1378807528329E+21
Height 10038020.454878