20512397 (number)

20512397 is an odd 8-digits composite number following 20512396 and preceding 20512398. In scientific notation, it is written as 2.0512397 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20223420 positive integers (up to 20512397) that are relatively prime to 20512397.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand three hundred ninety-seven

Notation

Scientific notation 2.0512397 × 10^7
Engineering notation 2.0512397 × 10^6

Prime Factorization of 20512397

Prime Factorization 71 × 288907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20512397
Product of the distinct prime numbers

The prime factorization of 20512397 is 71 × 288907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20512397)

Multiplication

n×y
n×2 41024794
n×3 61537191
n×4 82049588
n×5 102561985

Division

n÷y
n÷2 10256198.5
n÷3 6837465.6666667
n÷3 5128099.25
n÷5 4102479.4

Exponentiation

ny
n2 420758430685609
n3 8.6307639713202E+21
n4 1.7703765699302E+29
n5 3.6314667041906E+36

Nth Root

y√n
2√n 4529.0613817876
3√n 273.74034132571
4√n 67.298301477731
5√n 29.000352892168

Divisors of 20512397

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 -20512396
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 20512397 can be divided by 4 positive divisors. The sum of these divisors (counting 20512397) is 1, the average is 0.25.

Base conversion 20512397

Base System Value
2 Binary 1001110001111111010001101
3 Ternary 1102121010201102
4 Quaternary 1032033322031
5 Quinary 20222344042
6 Senary 2011352445
8 Octal 116177215
10 Decimal 20512397
12 Duodecimal 6a52725
16 Hexadecimal 138fe8d
20 Vigesimal 6840jh
36 Base36 c7ngt

Cryptographic Hash Functions

md5 5fce0a0855ec9930faa2e6850a280e02
sha1 141419d403fd9f404fa547a19ce1af6b58e11113
sha256 3f6305687c932be81e296c6143348182605c68339e9a4e01aa41e633beadfcec
sha512 7e3cf359f31e0586f4fcc19b70859b0f0c0599917d4c04215078f901efc709d8724bd96687361227f8114ca4b3f2b06cf761b54cb28c9e733adbe4ae4aaefcea
ripemd-160 95be79b8d296ae14acec267ab392ce249af8228d

20512397 as geometric shapes

Circle

Radius = n
Diameter 41024794
Circumference 128883191.44543
Area 1.3218515947779E+15

Sphere

Radius = n
Volume 3.6152459582889E+22
Surface area 5.2874063791115E+15
Circumference 128883191.44543

Square

Length = n
Perimeter 82049588
Area 420758430685609
Diagonal 29008910.034181

Cube

Length = n
Surface area 2524550584113654
Volume 8.6307639713202E+21
Space diagonal 35528513.789023

Equilateral Triangle

Length = n
Perimeter 61537191
Area 1.8219374491511E+14
Altitude 17764256.894512

Triangular Pyramid

Length = n
Surface area 1.8219374491511E+14
Volume 1.0171452884902E+21
Height 9669636.6780604