28137487 (number)

28137487 is an odd 8-digits composite number following 28137486 and preceding 28137488. In scientific notation, it is written as 2.8137487 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 23069112 positive integers (up to 28137487) that are relatively prime to 28137487.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8137487 × 10^7
Engineering notation 2.8137487 × 10^6

Prime Factorization of 28137487

Prime Factorization 7 × 23 × 174767

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28137487
Product of the distinct prime numbers

The prime factorization of 28137487 is 7 × 23 × 174767. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 50, 23, 827, 328, 976, 201, 46897, 51010, 531515, 815490, 5889937, 3827586, 49034986, 69283570, 357126276, 184535505, 8332177021, 6937657452

Basic calculations (n = 28137487)

Multiplication

n×y
n×2 56274974
n×3 84412461
n×4 112549948
n×5 140687435

Division

n÷y
n÷2 14068743.5
n÷3 9379162.3333333
n÷3 7034371.75
n÷5 5627497.4

Exponentiation

ny
n2 791718174675169
n3 2.2276959847586E+22
n4 6.2681766811098E+29
n5 1.7637073987843E+37

Nth Root

y√n
2√n 5304.4780139049
3√n 304.15509961225
4√n 72.831847525
5√n 30.892784967321

Divisors of 28137487

1, 7, 23, 161, 174767, 1223369, 4019641, 28137487

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28137486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28137487 can be divided by 8 positive divisors. The sum of these divisors (counting 28137487) is 1, the average is 0.125.

Base conversion 28137487

Base System Value
2 Binary 1101011010101100000001111
3 Ternary 1221221112101011
4 Quaternary 1223111200033
5 Quinary 24200344422
6 Senary 2443030051
8 Octal 153254017
10 Decimal 28137487
12 Duodecimal 950b327
16 Hexadecimal 1ad580f
20 Vigesimal 8fh3e7
36 Base36 gr30v

Cryptographic Hash Functions

md5 7af3cca4cd328b9804ea90392e530171
sha1 96cc89e758ae31d7163da1546deba7732539f967
sha256 6deadc3a9e551bea2dc1d02e55152e60de37078d2157a6f51ef14cd392a0410b
sha512 06f8ced38d35a69b71aeb8166a3e2077b774ee24689c8342567065d101b151bc855a290e6115ae0703b78561a616c15d824de8e484f8d3cb3e9a3bd577fbfe7e
ripemd-160 b854bc181ced5f9cdedae5c486e8febb3479c812

28137487 as geometric shapes

Circle

Radius = n
Diameter 56274974
Circumference 176793044.89936
Area 2.487256001273E+15

Sphere

Radius = n
Volume 9.3313511201989E+22
Surface area 9.9490240050921E+15
Circumference 176793044.89936

Square

Length = n
Perimeter 112549948
Area 791718174675169
Diagonal 39792415.726497

Cube

Length = n
Surface area 4750309048051014
Volume 2.2276959847586E+22
Space diagonal 48735557.081309

Equilateral Triangle

Length = n
Perimeter 84412461
Area 3.4282402595327E+14
Altitude 24367778.540654

Triangular Pyramid

Length = n
Surface area 3.4282402595327E+14
Volume 2.6253648954081E+21
Height 13264138.575499