28398421 (number)

28398421 is an odd 8-digits composite number following 28398420 and preceding 28398422. In scientific notation, it is written as 2.8398421 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 28305612 positive integers (up to 28398421) that are relatively prime to 28398421.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-eight thousand four hundred twenty-one

Notation

Scientific notation 2.8398421 × 10^7
Engineering notation 2.8398421 × 10^6

Prime Factorization of 28398421

Prime Factorization 307 × 92503

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28398421
Product of the distinct prime numbers

The prime factorization of 28398421 is 307 × 92503. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28398421)

Multiplication

n×y
n×2 56796842
n×3 85195263
n×4 113593684
n×5 141992105

Division

n÷y
n÷2 14199210.5
n÷3 9466140.3333333
n÷3 7099605.25
n÷5 5679684.2

Exponentiation

ny
n2 806470315293241
n3 2.29024835377E+22
n4 6.5039436944918E+29
n5 1.8470173119647E+37

Nth Root

y√n
2√n 5329.0168886953
3√n 305.09240593445
4√n 73.000115675904
5√n 30.949870674712

Divisors of 28398421

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 -28398420
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 28398421 can be divided by 4 positive divisors. The sum of these divisors (counting 28398421) is 1, the average is 0.25.

Base conversion 28398421

Base System Value
2 Binary 1101100010101001101010101
3 Ternary 1222102210022101
4 Quaternary 1230111031111
5 Quinary 24232222141
6 Senary 2452402101
8 Octal 154251525
10 Decimal 28398421
12 Duodecimal 9616331
16 Hexadecimal 1b15355
20 Vigesimal 8h9g11
36 Base36 gwod1

Cryptographic Hash Functions

md5 061c1944d4187508a335e32d0f2cec2c
sha1 093f8986f9177bbc2a761d998ea2e777c8a681c0
sha256 aa22255017b863ae257796c691a02428cadbfb29f8017ae84f86c7aa05299fbe
sha512 645bb69afd071286484f624a774ca0406592e44838166648091f83aad7b6c509db886086eb532b2a8665ece2823ef27a49711b9fa7b31856a6e98ff6b9cf07dd
ripemd-160 a5642c220d421bd84cd38e544088946a4d524a88

28398421 as geometric shapes

Circle

Radius = n
Diameter 56796842
Circumference 178432541.5743
Area 2.5336012178635E+15

Sphere

Radius = n
Volume 9.5933698708E+22
Surface area 1.0134404871454E+16
Circumference 178432541.5743

Square

Length = n
Perimeter 113593684
Area 806470315293241
Diagonal 40161432.128181

Cube

Length = n
Surface area 4838821891759446
Volume 2.29024835377E+22
Space diagonal 49187508.026731

Equilateral Triangle

Length = n
Perimeter 85195263
Area 3.49211890221E+14
Altitude 24593754.013365

Triangular Pyramid

Length = n
Surface area 3.49211890221E+14
Volume 2.6990835692535E+21
Height 13387144.042727