28486538 (number)

28486538 is an even 8-digits composite number following 28486537 and preceding 28486539. In scientific notation, it is written as 2.8486538 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 14212044 positive integers (up to 28486538) that are relatively prime to 28486538.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred eighty-six thousand five hundred thirty-eight

Notation

Scientific notation 2.8486538 × 10^7
Engineering notation 2.8486538 × 10^6

Prime Factorization of 28486538

Prime Factorization 2 × 463 × 30763

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28486538
Product of the distinct prime numbers

The prime factorization of 28486538 is 2 × 463 × 30763. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 2, 14, 22, 234, 330, 5417, 9021, 21612, 35868, 766079, 690949, 4383910, 4236379, 66962070, 73773823, 587440972, 34521326, 4060668216, 837236194

Basic calculations (n = 28486538)

Multiplication

n×y
n×2 56973076
n×3 85459614
n×4 113946152
n×5 142432690

Division

n÷y
n÷2 14243269
n÷3 9495512.6666667
n÷3 7121634.5
n÷5 5697307.6

Exponentiation

ny
n2 811482847225444
n3 2.3116336963836E+22
n4 6.5850441134111E+29
n5 1.8758510936836E+37

Nth Root

y√n
2√n 5337.2781452722
3√n 305.40763554492
4√n 73.056677622735
5√n 30.969053650811

Divisors of 28486538

1, 2, 463, 926, 30763, 61526, 14243269, 28486538

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 -28486537
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 28486538 can be divided by 8 positive divisors. The sum of these divisors (counting 28486538) is 1, the average is 0.125.

Base conversion 28486538

Base System Value
2 Binary 1101100101010101110001010
3 Ternary 1222121021011222
4 Quaternary 1230222232022
5 Quinary 24243032123
6 Senary 2454322042
8 Octal 154525612
10 Decimal 28486538
12 Duodecimal 9659322
16 Hexadecimal 1b2ab8a
20 Vigesimal 8i0g6i
36 Base36 gykcq

Cryptographic Hash Functions

md5 56ef718ffe8ffa2fc9628ebd25400d2e
sha1 6d7c68406d7d86a2724ca2f4365dd6cf7be50161
sha256 f1c8161ca8b196b6444d194e98cc8beae5ea6c22faa40d6fadef7ade674d1b47
sha512 121f0fc1af3d76d7ed1bf43d33456510e2549a8ef3cd098437b3ef69419a32394c2ff4b5beb6fd530725bfae2727fd0fa703eb9000c2b08f7d4c3395c9f82f08
ripemd-160 5684472e5df1b7c82e811edf9309ef942d5d8c9d

28486538 as geometric shapes

Circle

Radius = n
Diameter 56973076
Circumference 178986197.01401
Area 2.5493485513576E+15

Sphere

Radius = n
Volume 9.6829485844657E+22
Surface area 1.019739420543E+16
Circumference 178986197.01401

Square

Length = n
Perimeter 113946152
Area 811482847225444
Diagonal 40286048.384657

Cube

Length = n
Surface area 4868897083352664
Volume 2.3116336963836E+22
Space diagonal 49340131.147742

Equilateral Triangle

Length = n
Perimeter 85459614
Area 3.5138238021628E+14
Altitude 24670065.573871

Triangular Pyramid

Length = n
Surface area 3.5138238021628E+14
Volume 2.7242864372203E+21
Height 13428682.794886