28430387 (number)

28430387 is an odd 8-digits composite number following 28430386 and preceding 28430388. In scientific notation, it is written as 2.8430387 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 28410720 positive integers (up to 28430387) that are relatively prime to 28430387.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8430387 × 10^7
Engineering notation 2.8430387 × 10^6

Prime Factorization of 28430387

Prime Factorization 1571 × 18097

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28430387
Product of the distinct prime numbers

The prime factorization of 28430387 is 1571 × 18097. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 53, 7, 372, 808, 8693, 4511, 55379, 68108, 402444, 371197, 1587012, 1509945, 87553120, 56400414, 740634583, 894989567, 6157574622, 5359135082

Basic calculations (n = 28430387)

Multiplication

n×y
n×2 56860774
n×3 85291161
n×4 113721548
n×5 142151935

Division

n÷y
n÷2 14215193.5
n÷3 9476795.6666667
n÷3 7107596.75
n÷5 5686077.4

Exponentiation

ny
n2 808286904969769
n3 2.2979909515323E+22
n4 6.5332772074561E+29
n5 1.8574359938626E+37

Nth Root

y√n
2√n 5332.0152850494
3√n 305.20683632104
4√n 73.020649716702
5√n 30.956835135266

Divisors of 28430387

1, 1571, 18097, 28430387

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28430386
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28430387 can be divided by 4 positive divisors. The sum of these divisors (counting 28430387) is 1, the average is 0.25.

Base conversion 28430387

Base System Value
2 Binary 1101100011101000000110011
3 Ternary 1222111102011022
4 Quaternary 1230131000303
5 Quinary 24234233022
6 Senary 2453210055
8 Octal 154350063
10 Decimal 28430387
12 Duodecimal 963092b
16 Hexadecimal 1b1d033
20 Vigesimal 8hdfj7
36 Base36 gxd0z

Cryptographic Hash Functions

md5 3698f4fcf6df5700d101014da052a798
sha1 3ab417ce87490654177c0072a69554f9fdb0cb31
sha256 1956235505d3a25678566560fd70cf1eb3c825f19fbd69c8d1a6b0dff7f62960
sha512 8f010539ab22b87b3f955cadfcc516cd8b4f2f143841419c7be8fd69d68ecc1d7dd020f8f674ae952871a23302777ab1eb367571738c4eb5b532ec14692a503c
ripemd-160 8e82638992535f02378168c45ef64f111c6bf06d

28430387 as geometric shapes

Circle

Radius = n
Diameter 56860774
Circumference 178633389.87583
Area 2.5393082026459E+15

Sphere

Radius = n
Volume 9.6258019884662E+22
Surface area 1.0157232810583E+16
Circumference 178633389.87583

Square

Length = n
Perimeter 113721548
Area 808286904969769
Diagonal 40206638.878916

Cube

Length = n
Surface area 4849721429818614
Volume 2.2979909515323E+22
Space diagonal 49242874.762846

Equilateral Triangle

Length = n
Perimeter 85291161
Area 3.4999849662506E+14
Altitude 24621437.381423

Triangular Pyramid

Length = n
Surface area 3.4999849662506E+14
Volume 2.708208308223E+21
Height 13402212.959639