28494490 (number)

28494490 is an even 8-digits composite number following 28494489 and preceding 28494491. In scientific notation, it is written as 2.8494490 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 10797840 positive integers (up to 28494490) that are relatively prime to 28494490.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8494490 × 10^7
Engineering notation 2.8494490 × 10^6

Prime Factorization of 28494490

Prime Factorization 2 × 5 × 19 × 149971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28494490
Product of the distinct prime numbers

The prime factorization of 28494490 is 2 × 5 × 19 × 149971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28494490)

Multiplication

n×y
n×2 56988980
n×3 85483470
n×4 113977960
n×5 142472450

Division

n÷y
n÷2 14247245
n÷3 9498163.3333333
n÷3 7123622.5
n÷5 5698898

Exponentiation

ny
n2 811935960360100
n3 2.3135701103121E+22
n4 6.5924000372588E+29
n5 1.8784707693767E+37

Nth Root

y√n
2√n 5338.0230422882
3√n 305.43605102047
4√n 73.061775521049
5√n 30.970782456334

Divisors of 28494490

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28494489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28494490 can be divided by 16 positive divisors. The sum of these divisors (counting 28494490) is 1, the average is 0.0625.

Base conversion 28494490

Base System Value
2 Binary 1101100101100101010011010
3 Ternary 1222121200002111
4 Quaternary 1230230222122
5 Quinary 24243310430
6 Senary 2454422534
8 Octal 154545232
10 Decimal 28494490
12 Duodecimal 9661a4a
16 Hexadecimal 1b2ca9a
20 Vigesimal 8i1g4a
36 Base36 gyqhm

Cryptographic Hash Functions

md5 1af331725c0485a723d5435e0fca965d
sha1 6bed8e1733bd51d8b7f8da13663d5d7cc63ada4e
sha256 63d43ecde21a08d9ea3a227389ae88205dee8ea09c3a62c2e13b5edfbf2569f4
sha512 2ef21130ecbe3fef99ae78ceb3558e3369fa325a9c3c823b6e6438221fe2d18a151a1d0f02f38f33324b89641ea33ca35559c76d5faad83b095ad620e7809f0f
ripemd-160 3501f136b2ee70f43fc677e7c05a5821897dcf6b

28494490 as geometric shapes

Circle

Radius = n
Diameter 56988980
Circumference 179036160.90358
Area 2.5507720482527E+15

Sphere

Radius = n
Volume 9.691059816162E+22
Surface area 1.0203088193011E+16
Circumference 179036160.90358

Square

Length = n
Perimeter 113977960
Area 811935960360100
Diagonal 40297294.210905

Cube

Length = n
Surface area 4871615762160600
Volume 2.3135701103121E+22
Space diagonal 49353904.415763

Equilateral Triangle

Length = n
Perimeter 85483470
Area 3.5157858395898E+14
Altitude 24676952.207882

Triangular Pyramid

Length = n
Surface area 3.5157858395898E+14
Volume 2.7265685229204E+21
Height 13432431.403635