20287738 (number)

20287738 is an even 8-digits composite number following 20287737 and preceding 20287739. In scientific notation, it is written as 2.0287738 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 9927996 positive integers (up to 20287738) that are relatively prime to 20287738.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighty-seven thousand seven hundred thirty-eight

Notation

Scientific notation 2.0287738 × 10^7
Engineering notation 2.0287738 × 10^6

Prime Factorization of 20287738

Prime Factorization 2 × 47 × 215827

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20287738
Product of the distinct prime numbers

The prime factorization of 20287738 is 2 × 47 × 215827. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20287738)

Multiplication

n×y
n×2 40575476
n×3 60863214
n×4 81150952
n×5 101438690

Division

n÷y
n÷2 10143869
n÷3 6762579.3333333
n÷3 5071934.5
n÷5 4057547.6

Exponentiation

ny
n2 411592313156644
n3 8.3502770121359E+21
n4 1.6940823224964E+29
n5 3.4369098309238E+36

Nth Root

y√n
2√n 4504.1911593537
3√n 272.73730359739
4√n 67.113271112007
5√n 28.936548335734

Divisors of 20287738

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 -20287737
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 20287738 can be divided by 8 positive divisors. The sum of these divisors (counting 20287738) is 1, the average is 0.125.

Base conversion 20287738

Base System Value
2 Binary 1001101011001000011111010
3 Ternary 1102011201112201
4 Quaternary 1031121003322
5 Quinary 20143201423
6 Senary 2002500414
8 Octal 115310372
10 Decimal 20287738
12 Duodecimal 696470a
16 Hexadecimal 13590fa
20 Vigesimal 66fj6i
36 Base36 c2u4a

Cryptographic Hash Functions

md5 cf62a511ca1d63596aafca4bcfb72ae1
sha1 ccab8d4ccd4c1638b2c87c0b284fe07e364b2f60
sha256 872b4c92e86de67238c9107283b34997e27ddf01fa0ea0efd80b61bdc853ec4b
sha512 2a0802707a676c787aacb1c0cf3432b8d3cb82ac2f4666f6d8342d9082ead9b9c9d0a8d55a08a20b5edb630e43eb8e1c3a5227cc4ba0e7400ca2b2d5637052f2
ripemd-160 7cf0ca9af2d3e70df307b953c6ba87eeb17702c5

20287738 as geometric shapes

Circle

Radius = n
Diameter 40575476
Circumference 127471617.31751
Area 1.2930553872869E+15

Sphere

Radius = n
Volume 3.4977558555688E+22
Surface area 5.1722215491478E+15
Circumference 127471617.31751

Square

Length = n
Perimeter 81150952
Area 411592313156644
Diagonal 28691194.229472

Cube

Length = n
Surface area 2469553878939864
Volume 8.3502770121359E+21
Space diagonal 35139392.986646

Equilateral Triangle

Length = n
Perimeter 60863214
Area 1.7822469959803E+14
Altitude 17569696.493323

Triangular Pyramid

Length = n
Surface area 1.7822469959803E+14
Volume 9.8408958334458E+20
Height 9563731.409824