28761488 (number)

28761488 is an even 8-digits composite number following 28761487 and preceding 28761489. In scientific notation, it is written as 2.8761488 × 10^7. The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors. There are 12326304 positive integers (up to 28761488) that are relatively prime to 28761488.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred sixty-one thousand four hundred eighty-eight

Notation

Scientific notation 2.8761488 × 10^7
Engineering notation 2.8761488 × 10^6

Prime Factorization of 28761488

Prime Factorization 2 × 2 × 2 × 2 × 7 × 256799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3595186
Product of the distinct prime numbers

The prime factorization of 28761488 is 2 × 2 × 2 × 2 × 7 × 256799. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 7, 30, 68, 27, 537, 2572, 3789, 44572, 83586, 191692, 878845, 7686537, 9319187, 3966949, 73120310, 73906386, 384651480, 9022339176, 5767478221

Basic calculations (n = 28761488)

Multiplication

n×y
n×2 57522976
n×3 86284464
n×4 115045952
n×5 143807440

Division

n÷y
n÷2 14380744
n÷3 9587162.6666667
n÷3 7190372
n÷5 5752297.6

Exponentiation

ny
n2 827223191974144
n3 2.3792169909286E+22
n4 6.8429820933989E+29
n5 1.9681434736351E+37

Nth Root

y√n
2√n 5362.9738019125
3√n 306.38708187691
4√n 73.232327574047
5√n 31.028606385269

Divisors of 28761488

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 256799, 513598, 1027196, 1797593, 2054392, 3595186, 4108784, 7190372, 14380744, 28761488

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28761487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28761488 can be divided by 20 positive divisors. The sum of these divisors (counting 28761488) is 1, the average is 0.05.

Base conversion 28761488

Base System Value
2 Binary 1101101101101110110010000
3 Ternary 2000010020100022
4 Quaternary 1231231312100
5 Quinary 24330331423
6 Senary 2504243012
8 Octal 155556620
10 Decimal 28761488
12 Duodecimal 9770468
16 Hexadecimal 1b6dd90
20 Vigesimal 8jf3e8
36 Base36 h4gi8

Cryptographic Hash Functions

md5 f79e55c0addb1a280e1e8883da1ed2aa
sha1 f5ab58ee715ace9a71b4f9acc988c0782ce7371f
sha256 fbf06812ee835cab3e97c53ee9e4fdbfba2af7929a7207f181007730fbacdff4
sha512 b6c80125aab92f7658a46a61a23a3a591cc6c8b706460c6292ae8d0a4fac428ffd322a02370e9268b0979995fe7b7cf3a9999b74316e24825dcc54e93e526158
ripemd-160 6ef208aad71ea57a2e27215a8e028af4472e2e4c

28761488 as geometric shapes

Circle

Radius = n
Diameter 57522976
Circumference 180713758.81422
Area 2.5987983027851E+15

Sphere

Radius = n
Volume 9.9660408266631E+22
Surface area 1.039519321114E+16
Circumference 180713758.81422

Square

Length = n
Perimeter 115045952
Area 827223191974144
Diagonal 40674886.403631

Cube

Length = n
Surface area 4963339151844864
Volume 2.3792169909286E+22
Space diagonal 49816358.517283

Equilateral Triangle

Length = n
Perimeter 86284464
Area 3.5819814942463E+14
Altitude 24908179.258641

Triangular Pyramid

Length = n
Surface area 3.5819814942463E+14
Volume 2.8039341136664E+21
Height 13558295.467877