28408894 (number)

28408894 is an even 8-digits composite number following 28408893 and preceding 28408895. In scientific notation, it is written as 2.8408894 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 14204446 positive integers (up to 28408894) that are relatively prime to 28408894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8408894 × 10^7
Engineering notation 2.8408894 × 10^6

Prime Factorization of 28408894

Prime Factorization 2 × 14204447

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28408894
Product of the distinct prime numbers

The prime factorization of 28408894 is 2 × 14204447. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28408894)

Multiplication

n×y
n×2 56817788
n×3 85226682
n×4 113635576
n×5 142044470

Division

n÷y
n÷2 14204447
n÷3 9469631.3333333
n÷3 7102223.5
n÷5 5681778.8

Exponentiation

ny
n2 807065258303236
n3 2.2927831374219E+22
n4 6.5135433116007E+29
n5 1.8504256150367E+37

Nth Root

y√n
2√n 5329.9994371482
3√n 305.12990614218
4√n 73.006845138988
5√n 30.952153126901

Divisors of 28408894

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 -28408893
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 28408894 can be divided by 4 positive divisors. The sum of these divisors (counting 28408894) is 1, the average is 0.25.

Base conversion 28408894

Base System Value
2 Binary 1101100010111110000111110
3 Ternary 1222110022200021
4 Quaternary 1230113300332
5 Quinary 24233041034
6 Senary 2452522354
8 Octal 154276076
10 Decimal 28408894
12 Duodecimal 96203ba
16 Hexadecimal 1b17c3e
20 Vigesimal 8hb24e
36 Base36 gwwfy

Cryptographic Hash Functions

md5 31aa6e376c0121ebe870c579504b2ed3
sha1 6c223d3b236a34b5d06811bad514903ae3b1725d
sha256 3e2f5357190c04a6609b2b330d7f1ed5132132b709df4519ebd294d886e4a4e3
sha512 79108ee8dd08526a181f42cfb9d1b4006b94bf9806b5078a44d69f3129795019d57a7183e2317715d98fe9c7fa84e495a59d86fec17f478faa149bfd071ef2e0
ripemd-160 f7a91a44c8b8b0418a323522682d7d91f3dd1b08

28408894 as geometric shapes

Circle

Radius = n
Diameter 56817788
Circumference 178498345.37402
Area 2.535470286453E+15

Sphere

Radius = n
Volume 9.6039875477324E+22
Surface area 1.0141881145812E+16
Circumference 178498345.37402

Square

Length = n
Perimeter 113635576
Area 807065258303236
Diagonal 40176243.18682

Cube

Length = n
Surface area 4842391549819416
Volume 2.2927831374219E+22
Space diagonal 49205647.794839

Equilateral Triangle

Length = n
Perimeter 85226682
Area 3.4946950810123E+14
Altitude 24602823.897419

Triangular Pyramid

Length = n
Surface area 3.4946950810123E+14
Volume 2.7020708404354E+21
Height 13392081.062273