28756091 (number)

28756091 is an odd 8-digits composite number following 28756090 and preceding 28756092. In scientific notation, it is written as 2.8756091 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 22748544 positive integers (up to 28756091) that are relatively prime to 28756091.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-six thousand ninety-one

Notation

Scientific notation 2.8756091 × 10^7
Engineering notation 2.8756091 × 10^6

Prime Factorization of 28756091

Prime Factorization 13 × 7 × 7 × 7 × 6449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 586859
Product of the distinct prime numbers

The prime factorization of 28756091 is 13 × 7 × 7 × 7 × 6449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 4, 62, 775, 791, 3998, 6248, 14733, 6864, 559858, 885307, 3507275, 560942, 14100123, 61291592, 785418304, 10945202, 5507457814, 6747716318

Basic calculations (n = 28756091)

Multiplication

n×y
n×2 57512182
n×3 86268273
n×4 115024364
n×5 143780455

Division

n÷y
n÷2 14378045.5
n÷3 9585363.6666667
n÷3 7189022.75
n÷5 5751218.2

Exponentiation

ny
n2 826912769600281
n3 2.3778778851688E+22
n4 6.8378472852801E+29
n5 1.9662975877962E+37

Nth Root

y√n
2√n 5362.47060598
3√n 306.36791649714
4√n 73.22889188005
5√n 31.027441814371

Divisors of 28756091

1, 7, 13, 49, 91, 343, 637, 4459, 6449, 45143, 83837, 316001, 586859, 2212007, 4108013, 28756091

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 -28756090
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 28756091 can be divided by 16 positive divisors. The sum of these divisors (counting 28756091) is 1, the average is 0.0625.

Base conversion 28756091

Base System Value
2 Binary 1101101101100100001111011
3 Ternary 2000002221221102
4 Quaternary 1231230201323
5 Quinary 24330143331
6 Senary 2504202015
8 Octal 155544173
10 Decimal 28756091
12 Duodecimal 976930b
16 Hexadecimal 1b6c87b
20 Vigesimal 8jea4b
36 Base36 h4ccb

Cryptographic Hash Functions

md5 e09116dcbd9bf1bb615aee655bf14d2d
sha1 127957727a00504a0791ef9b19a64ce8cfe37350
sha256 627b2d392e3382db859c6b83ea0acfa440d7b94a17a1afed4eb7ad770b38e265
sha512 d469aeeec1d3514d7809f8fb5d460b1cd8a51e5398efbe9415d70663974274c2b2d8043130fa416090f1e22f8a1a83fe7db9176ad6e1baa65a9900bceb2a5d6c
ripemd-160 15738954c7345cb90ecc467698cf481c07a53cc1

28756091 as geometric shapes

Circle

Radius = n
Diameter 57512182
Circumference 180679848.46312
Area 2.5978230821358E+15

Sphere

Radius = n
Volume 9.9604315935731E+22
Surface area 1.0391292328543E+16
Circumference 180679848.46312

Square

Length = n
Perimeter 115024364
Area 826912769600281
Diagonal 40667253.893035

Cube

Length = n
Surface area 4961476617601686
Volume 2.3778778851688E+22
Space diagonal 49807010.639074

Equilateral Triangle

Length = n
Perimeter 86268273
Area 3.580637325938E+14
Altitude 24903505.319537

Triangular Pyramid

Length = n
Surface area 3.580637325938E+14
Volume 2.8023559623939E+21
Height 13555751.297678