28013457 (number)

28013457 is an odd 8-digits composite number following 28013456 and preceding 28013458. In scientific notation, it is written as 2.8013457 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 17973120 positive integers (up to 28013457) that are relatively prime to 28013457.

Interesting facts

Basic properties

Name

Name twenty-eight million thirteen thousand four hundred fifty-seven

Notation

Scientific notation 2.8013457 × 10^7
Engineering notation 2.8013457 × 10^6

Prime Factorization of 28013457

Prime Factorization 3 × 47 × 61 × 3257

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28013457
Product of the distinct prime numbers

The prime factorization of 28013457 is 3 × 47 × 61 × 3257. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 62, 42, 722, 723, 5163, 8466, 31698, 1012, 129021, 861829, 3833137, 7769118, 85082482, 1246118, 589971150, 419881057, 1753643429, 3497647535

Basic calculations (n = 28013457)

Multiplication

n×y
n×2 56026914
n×3 84040371
n×4 112053828
n×5 140067285

Division

n÷y
n÷2 14006728.5
n÷3 9337819
n÷3 7003364.25
n÷5 5602691.4

Exponentiation

ny
n2 784753773090849
n3 2.1983666078068E+22
n4 6.1583848438032E+29
n5 1.7251764901133E+37

Nth Root

y√n
2√n 5292.7740363632
3√n 303.70753627463
4√n 72.751453843639
5√n 30.865501749212

Divisors of 28013457

1, 3, 47, 61, 141, 183, 2867, 3257, 8601, 9771, 153079, 198677, 459237, 596031, 9337819, 28013457

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 -28013456
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 28013457 can be divided by 16 positive divisors. The sum of these divisors (counting 28013457) is 1, the average is 0.0625.

Base conversion 28013457

Base System Value
2 Binary 1101010110111001110010001
3 Ternary 1221201020020110
4 Quaternary 1222313032101
5 Quinary 24132412312
6 Senary 2440231533
8 Octal 152671621
10 Decimal 28013457
12 Duodecimal 946b5a9
16 Hexadecimal 1ab7391
20 Vigesimal 8f1dch
36 Base36 gofbl

Cryptographic Hash Functions

md5 5c78df8851e1190d47b9e9ebdc466b51
sha1 495223c4dc8ed7f1da87ad5db152c8145ab66b9f
sha256 d6ac03afd01a3c513560ccc100fc5ced6980a478ffb9a89fb5f68352e7935455
sha512 bfd9dc930915a046e7b23090d288d94b77a26ded64d654c40634920b613b618c730f633e50127237b9e9a068a3d4e6c6d81a0d47c81d3b60b071f905d591de2f
ripemd-160 144192301ca287d7b8491c05fdd02e73c6a6e0b4

28013457 as geometric shapes

Circle

Radius = n
Diameter 56026914
Circumference 176013741.42571
Area 2.4653766884191E+15

Sphere

Radius = n
Volume 9.2084965133107E+22
Surface area 9.8615067536763E+15
Circumference 176013741.42571

Square

Length = n
Perimeter 112053828
Area 784753773090849
Diagonal 39617010.818356

Cube

Length = n
Surface area 4708522638545094
Volume 2.1983666078068E+22
Space diagonal 48520730.819646

Equilateral Triangle

Length = n
Perimeter 84040371
Area 3.3980835160618E+14
Altitude 24260365.409823

Triangular Pyramid

Length = n
Surface area 3.3980835160618E+14
Volume 2.5907998931905E+21
Height 13205670.272785