28440145 (number)

28440145 is an odd 8-digits composite number following 28440144 and preceding 28440146. In scientific notation, it is written as 2.8440145 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 22733040 positive integers (up to 28440145) that are relatively prime to 28440145.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred forty thousand one hundred forty-five

Notation

Scientific notation 2.8440145 × 10^7
Engineering notation 2.8440145 × 10^6

Prime Factorization of 28440145

Prime Factorization 5 × 2399 × 2371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28440145
Product of the distinct prime numbers

The prime factorization of 28440145 is 5 × 2399 × 2371. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28440145)

Multiplication

n×y
n×2 56880290
n×3 85320435
n×4 113760580
n×5 142200725

Division

n÷y
n÷2 14220072.5
n÷3 9480048.3333333
n÷3 7110036.25
n÷5 5688029

Exponentiation

ny
n2 808841847621025
n3 2.300357942841E+22
n4 6.5422513446299E+29
n5 1.8606257686772E+37

Nth Root

y√n
2√n 5332.9302451842
3√n 305.24175046229
4√n 73.026914525976
5√n 30.958959871266

Divisors of 28440145

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 -28440144
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 28440145 can be divided by 8 positive divisors. The sum of these divisors (counting 28440145) is 1, the average is 0.125.

Base conversion 28440145

Base System Value
2 Binary 1101100011111011001010001
3 Ternary 1222111220112201
4 Quaternary 1230133121101
5 Quinary 24240041040
6 Senary 2453323201
8 Octal 154373121
10 Decimal 28440145
12 Duodecimal 9636501
16 Hexadecimal 1b1f651
20 Vigesimal 8hf075
36 Base36 gxkk1

Cryptographic Hash Functions

md5 d67cf653d910fcd45d84f57166dc012f
sha1 18bc72eadad7c843f382c7264c31ad2fa0267099
sha256 603f8f7e01d39ed0178a3ad2efebd72f5b8d502897261364c1df4e4ef38ca007
sha512 95948b1f031c837eb785acac367591149afba06c550b892490d6e9f80b56bc33f937587806ed293e6587f2446f9cb4cd29b771a1c97b043e24987a3682c41fd6
ripemd-160 aef01a15191ad1f283b00d9f4bb6d272bde09ba7

28440145 as geometric shapes

Circle

Radius = n
Diameter 56880290
Circumference 178694701.19806
Area 2.5410516064022E+15

Sphere

Radius = n
Volume 9.6357168184749E+22
Surface area 1.0164206425609E+16
Circumference 178694701.19806

Square

Length = n
Perimeter 113760580
Area 808841847621025
Diagonal 40220438.774857

Cube

Length = n
Surface area 4853051085726150
Volume 2.300357942841E+22
Space diagonal 49259776.114626

Equilateral Triangle

Length = n
Perimeter 85320435
Area 3.5023879384187E+14
Altitude 24629888.057313

Triangular Pyramid

Length = n
Surface area 3.5023879384187E+14
Volume 2.710997834232E+21
Height 13406812.924952