28778532 (number)

28778532 is an even 8-digits composite number following 28778531 and preceding 28778533. In scientific notation, it is written as 2.8778532 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 9592840 positive integers (up to 28778532) that are relatively prime to 28778532.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-eight thousand five hundred thirty-two

Notation

Scientific notation 2.8778532 × 10^7
Engineering notation 2.8778532 × 10^6

Prime Factorization of 28778532

Prime Factorization 2 × 2 × 3 × 2398211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14389266
Product of the distinct prime numbers

The prime factorization of 28778532 is 2 × 2 × 3 × 2398211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28778532)

Multiplication

n×y
n×2 57557064
n×3 86335596
n×4 115114128
n×5 143892660

Division

n÷y
n÷2 14389266
n÷3 9592844
n÷3 7194633
n÷5 5755706.4

Exponentiation

ny
n2 828203904075024
n3 2.3834492555948E+22
n4 6.8592170672511E+29
n5 1.9739819786483E+37

Nth Root

y√n
2√n 5364.562610316
3√n 306.44759138225
4√n 73.24317449644
5√n 31.032283011827

Divisors of 28778532

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28778531
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28778532 can be divided by 12 positive divisors. The sum of these divisors (counting 28778532) is 1, the average is 0.083333333333333.

Base conversion 28778532

Base System Value
2 Binary 1101101110010000000100100
3 Ternary 2000011002201120
4 Quaternary 1231302000210
5 Quinary 24331403112
6 Senary 2504453540
8 Octal 155620044
10 Decimal 28778532
12 Duodecimal 977a2b0
16 Hexadecimal 1b72024
20 Vigesimal 8jh66c
36 Base36 h4tno

Cryptographic Hash Functions

md5 a807ca0a3543f6fc0ead0e31494c794f
sha1 b0cef32476e7406cc37b8a8614e335a98b16dd8b
sha256 f665af16cec0af5eb58f5cbac4084791233eeb172e3a55fd6cf5d14770f89430
sha512 67c7f027f34ffbf2a65a6352348a8e481c07c24b6e40ede18b8413b3e308e6514dee7c224b8e76e8704a07ef54c2121517a7e367ee67fa708de3ef439cc1643d
ripemd-160 a85d672b9aafe72535cb286ba23e19ad3c4eb116

28778532 as geometric shapes

Circle

Radius = n
Diameter 57557064
Circumference 180820849.4246
Area 2.6018793007165E+15

Sphere

Radius = n
Volume 9.9837688954409E+22
Surface area 1.0407517202866E+16
Circumference 180820849.4246

Square

Length = n
Perimeter 115114128
Area 828203904075024
Diagonal 40698990.259588

Cube

Length = n
Surface area 4969223424450144
Volume 2.3834492555948E+22
Space diagonal 49845879.591247

Equilateral Triangle

Length = n
Perimeter 86335596
Area 3.5862281022121E+14
Altitude 24922939.795623

Triangular Pyramid

Length = n
Surface area 3.5862281022121E+14
Volume 2.8089218854085E+21
Height 13566330.086529