28741491 (number)

28741491 is an odd 8-digits composite number following 28741490 and preceding 28741492. In scientific notation, it is written as 2.8741491 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 19033200 positive integers (up to 28741491) that are relatively prime to 28741491.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-one thousand four hundred ninety-one

Notation

Scientific notation 2.8741491 × 10^7
Engineering notation 2.8741491 × 10^6

Prime Factorization of 28741491

Prime Factorization 3 × 3 × 151 × 21149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9580497
Product of the distinct prime numbers

The prime factorization of 28741491 is 3 × 3 × 151 × 21149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 75, 58, 282, 322, 1400, 2285, 85396, 60474, 611952, 844856, 1004965, 3875092, 14465807, 73319188, 905795806, 969584306, 9158922703, 9553334544

Basic calculations (n = 28741491)

Multiplication

n×y
n×2 57482982
n×3 86224473
n×4 114965964
n×5 143707455

Division

n÷y
n÷2 14370745.5
n÷3 9580497
n÷3 7185372.75
n÷5 5748298.2

Exponentiation

ny
n2 826073304903081
n3 2.3742578458212E+22
n4 6.823971050735E+29
n5 1.9613110253896E+37

Nth Root

y√n
2√n 5361.109120322
3√n 306.31605816449
4√n 73.21959519365
5√n 31.024290532945

Divisors of 28741491

1, 3, 9, 151, 453, 1359, 21149, 63447, 190341, 3193499, 9580497, 28741491

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 -28741490
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 28741491 can be divided by 12 positive divisors. The sum of these divisors (counting 28741491) is 1, the average is 0.083333333333333.

Base conversion 28741491

Base System Value
2 Binary 1101101101000111101110011
3 Ternary 2000002012220200
4 Quaternary 1231220331303
5 Quinary 24324211431
6 Senary 2504010243
8 Octal 155507563
10 Decimal 28741491
12 Duodecimal 9760983
16 Hexadecimal 1b68f73
20 Vigesimal 8jcdeb
36 Base36 h412r

Cryptographic Hash Functions

md5 cd49ed5c1c46d5a1f8c88c89a80d3ae1
sha1 5ea5c97462acba7ef092890794a538c60784fe34
sha256 d1e61d443b190260abfffec111a0921d4045ae77b652f47cc507b329e9bb157c
sha512 6accbd1ffa9db66f7dabb9719375ff554800877d11a1ea2cbed159f8e2a5cf124627ca681d7b26ebfbf4459eb93e2301635f0aafd46ef8086dd37c10c98e01f1
ripemd-160 ad7647a6c8bf87fec044ef3f3bfc1697761cd383

28741491 as geometric shapes

Circle

Radius = n
Diameter 57482982
Circumference 180588113.95763
Area 2.5951858260102E+15

Sphere

Radius = n
Volume 9.9452680082131E+22
Surface area 1.0380743304041E+16
Circumference 180588113.95763

Square

Length = n
Perimeter 114965964
Area 826073304903081
Diagonal 40646606.375024

Cube

Length = n
Surface area 4956439829418486
Volume 2.3742578458212E+22
Space diagonal 49781722.697284

Equilateral Triangle

Length = n
Perimeter 86224473
Area 3.5770023371712E+14
Altitude 24890861.348642

Triangular Pyramid

Length = n
Surface area 3.5770023371712E+14
Volume 2.7980897051092E+21
Height 13548868.791675