Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

28431387 (number)

28431387 is an odd 8-digits composite number following 28431386 and preceding 28431388. In scientific notation, it is written as 2.8431387 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 18954252 positive integers (up to 28431387) that are relatively prime to 28431387.

Interesting facts

28431387 has 4 divisors, whose sum is 31590440
The reverse of 28431387 is 78313482
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	2.8431387 × 10^7
Engineering notation	2.8431387 × 10^6

Prime Factorization of 28431387

Prime Factorization 9 × 3159043

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28431387	Product of the distinct prime numbers

The prime factorization of 28431387 is 9 × 3159043. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 41, 24, 276, 531, 8817, 9539, 81131, 40806, 475914, 617009, 4613583, 2217479, 49620032, 70430556, 908936850, 497094460, 4199118284, 4716745922

Basic calculations (n = 28431387)

Multiplication

n×y

n×2	56862774
n×3	85294161
n×4	113725548
n×5	142156935

Division

n÷y

n÷2	14215693.5
n÷3	9477129
n÷3	7107846.75
n÷5	5686277.4

Exponentiation

n^y

n²	808343766743769
n³	2.298233446133E+22
n⁴	6.534196452335E+29
n⁵	1.8577626807036E+37

Nth Root

^y√n

²√n	5332.1090573993
³√n	305.21041469018
⁴√n	73.021291808618
⁵√n	30.957052905074

Divisors of 28431387

1, 9, 3159043, 28431387

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	-28431386	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 28431387 can be divided by 4 positive divisors. The sum of these divisors (counting 28431387) is 1, the average is 0.25.

Base conversion 28431387

Base	System	Value
2	Binary	1101100011101010000011011
3	Ternary	1222111110112100
4	Quaternary	1230131100123
5	Quinary	24234301022
6	Senary	2453214443
8	Octal	154352033
10	Decimal	28431387
12	Duodecimal	9631423
16	Hexadecimal	1b1d41b
20	Vigesimal	8hdi97
36	Base36	gxdsr

Cryptographic Hash Functions

md5	2de55916a59b54b2df0c50f5dd1f79aa
sha1	442f6a58ee52edff928dd3a93dbac237395f7ee9
sha256	2ad8052a8433a4ab030c4f1cbf565d1868436aff593f354c2e870380dbb16c42
sha512	d21173c82deaf6d745936ce8a03492bdf51825b8456902d9309ecf872e9c11552355908ade1d8574b60f6364883782cc51915c9eecc65f67d3e7f692e8c91ca3
ripemd-160	b0e707e4f8ac5a1fe1e7bf6d1b68be9bfc222fa3

28431387 as geometric shapes

Circle

Radius = n

Diameter	56862774
Circumference	178639673.06114
Area	2.5394868391773E+15

Sphere

Radius = n

Volume	9.6268177474743E+22
Surface area	1.0157947356709E+16
Circumference	178639673.06114

Square

Length = n

Perimeter	113725548
Area	808343766743769
Diagonal	40208053.092478

Cube

Length = n

Surface area	4850062600462614
Volume	2.298233446133E+22
Space diagonal	49244606.813653

Equilateral Triangle

Length = n

Perimeter	85294161
Area	3.5002311849545E+14
Altitude	24622303.406827

Triangular Pyramid

Length = n

Surface area	3.5002311849545E+14
Volume	2.7084940908506E+21
Height	13402684.364159