28492387 (number)

28492387 is an odd 8-digits composite number following 28492386 and preceding 28492388. In scientific notation, it is written as 2.8492387 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 21726720 positive integers (up to 28492387) that are relatively prime to 28492387.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-two thousand three hundred eighty-seven

Notation

Scientific notation 2.8492387 × 10^7
Engineering notation 2.8492387 × 10^6

Prime Factorization of 28492387

Prime Factorization 7 × 11 × 47 × 7873

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28492387
Product of the distinct prime numbers

The prime factorization of 28492387 is 7 × 11 × 47 × 7873. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 23, 17, 356, 994, 7535, 6649, 61249, 67950, 556894, 255704, 1185642, 95176, 73409116, 90275263, 198126241, 603997327, 6009469750, 4154462059

Basic calculations (n = 28492387)

Multiplication

n×y
n×2 56984774
n×3 85477161
n×4 113969548
n×5 142461935

Division

n÷y
n÷2 14246193.5
n÷3 9497462.3333333
n÷3 7123096.75
n÷5 5698477.4

Exponentiation

ny
n2 811816116957769
n3 2.3130578977198E+22
n4 6.5904540775239E+29
n5 1.8777776808254E+37

Nth Root

y√n
2√n 5337.8260556148
3√n 305.42853672773
4√n 73.060427425623
5√n 30.970325290908

Divisors of 28492387

1, 7, 11, 47, 77, 329, 517, 3619, 7873, 55111, 86603, 370031, 606221, 2590217, 4070341, 28492387

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 -28492386
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 28492387 can be divided by 16 positive divisors. The sum of these divisors (counting 28492387) is 1, the average is 0.0625.

Base conversion 28492387

Base System Value
2 Binary 1101100101100001001100011
3 Ternary 1222121120012121
4 Quaternary 1230230021203
5 Quinary 24243224022
6 Senary 2454405111
8 Octal 154541143
10 Decimal 28492387
12 Duodecimal 9660797
16 Hexadecimal 1b2c263
20 Vigesimal 8i1aj7
36 Base36 gyov7

Cryptographic Hash Functions

md5 1ad9e999f1f18b87a2b68dffad81634e
sha1 c45b5bbd5bed4b0f37e2e8a1c2bbbff09ffe96a1
sha256 582ea933d1a3a52c6974dab477ad83e2cf22a975613dc15db8fbefd689084355
sha512 3dfc41fc6ab01dd69cde8e94e17a6486509a96e3d727f63a2dc147f9e66ea36245a8c3481ef47a8f33aa0f682cc256f5e2bf4f3703c9437f62961346124a5866
ripemd-160 2c1218c4425c195765d0b388e6afaf3ec6ddc609

28492387 as geometric shapes

Circle

Radius = n
Diameter 56984774
Circumference 179022947.36487
Area 2.5503955491003E+15

Sphere

Radius = n
Volume 9.6889142650725E+22
Surface area 1.0201582196401E+16
Circumference 179022947.36487

Square

Length = n
Perimeter 113969548
Area 811816116957769
Diagonal 40294320.119783

Cube

Length = n
Surface area 4870896701746614
Volume 2.3130578977198E+22
Space diagonal 49350261.912915

Equilateral Triangle

Length = n
Perimeter 85477161
Area 3.5152669024353E+14
Altitude 24675130.956457

Triangular Pyramid

Length = n
Surface area 3.5152669024353E+14
Volume 2.7259648745913E+21
Height 13431440.039928