28397943 (number)

28397943 is an odd 8-digits composite number following 28397942 and preceding 28397944. In scientific notation, it is written as 2.8397943 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 16227360 positive integers (up to 28397943) that are relatively prime to 28397943.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-seven thousand nine hundred forty-three

Notation

Scientific notation 2.8397943 × 10^7
Engineering notation 2.8397943 × 10^6

Prime Factorization of 28397943

Prime Factorization 63 × 450761

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28397943
Product of the distinct prime numbers

The prime factorization of 28397943 is 63 × 450761. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 29, 67, 76, 48, 715, 4756, 50393, 30453, 113513, 524994, 728470, 5172858, 2053688, 18829132, 543108192, 435943385, 2743972531, 1264614310

Basic calculations (n = 28397943)

Multiplication

n×y
n×2 56795886
n×3 85193829
n×4 113591772
n×5 141989715

Division

n÷y
n÷2 14198971.5
n÷3 9465981
n÷3 7099485.75
n÷5 5679588.6

Exponentiation

ny
n2 806443166631249
n3 2.2901327078734E+22
n4 6.5035058100624E+29
n5 1.8468618729432E+37

Nth Root

y√n
2√n 5328.972039709
3√n 305.09069416101
4√n 72.999808490906
5√n 30.94976648485

Divisors of 28397943

1, 63, 450761, 28397943

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 -28397942
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 28397943 can be divided by 4 positive divisors. The sum of these divisors (counting 28397943) is 1, the average is 0.25.

Base conversion 28397943

Base System Value
2 Binary 1101100010101000101110111
3 Ternary 1222102202122200
4 Quaternary 1230111011313
5 Quinary 24232213233
6 Senary 2452355543
8 Octal 154250567
10 Decimal 28397943
12 Duodecimal 9615bb3
16 Hexadecimal 1b15177
20 Vigesimal 8h9eh3
36 Base36 gwnzr

Cryptographic Hash Functions

md5 a3f32aa4a1c9ad3b62c6abf51a170507
sha1 67963219294bcb5d275a244a37a153bcad6fa417
sha256 04461b68e93fd46999760d86ad52d811daa8b7c216b1710764ceb1ec9c59b9f3
sha512 cf8cbbda229d1eac7348086c12cc825ee2dcdbed03480705f2335bc3fc1fd370222d22a06caa1efe2f31b9c0337b0d4c91638b5d891d44538921574a7a098858
ripemd-160 f4fd53e4795954b778e8f99424004b893c1690c1

28397943 as geometric shapes

Circle

Radius = n
Diameter 56795886
Circumference 178429538.21172
Area 2.5335159278264E+15

Sphere

Radius = n
Volume 9.5928854544009E+22
Surface area 1.0134063711306E+16
Circumference 178429538.21172

Square

Length = n
Perimeter 113591772
Area 806443166631249
Diagonal 40160756.134098

Cube

Length = n
Surface area 4838658999787494
Volume 2.2901327078734E+22
Space diagonal 49186680.106445

Equilateral Triangle

Length = n
Perimeter 85193829
Area 3.4920013450551E+14
Altitude 24593340.053222

Triangular Pyramid

Length = n
Surface area 3.4920013450551E+14
Volume 2.6989472792573E+21
Height 13386918.711366