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

28888931 (number)

28888931 is an odd 8-digits composite number following 28888930 and preceding 28888932. In scientific notation, it is written as 2.8888931 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 27957000 positive integers (up to 28888931) that are relatively prime to 28888931.

Interesting facts

28888931 has 4 divisors, whose sum is 29820864
The reverse of 28888931 is 13988882
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	twenty-eight million eight hundred eighty-eight thousand nine hundred thirty-one

Notation

Scientific notation	2.8888931 × 10^7
Engineering notation	2.8888931 × 10^6

Prime Factorization of 28888931

Prime Factorization 31 × 931901

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28888931	Product of the distinct prime numbers

The prime factorization of 28888931 is 31 × 931901. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 54, 59, 522, 139, 276, 2618, 96952, 54886, 122147, 485559, 7526655, 3646500, 86598623, 34400719, 659647298, 770093265, 5838187978, 2154260535

Basic calculations (n = 28888931)

Multiplication

n×y

n×2	57777862
n×3	86666793
n×4	115555724
n×5	144444655

Division

n÷y

n÷2	14444465.5
n÷3	9629643.6666667
n÷3	7222232.75
n÷5	5777786.2

Exponentiation

n^y

n²	834570334322761
n³	2.4109844802897E+22
n⁴	6.9650764293161E+29
n⁵	2.0121361237624E+37

Nth Root

^y√n

²√n	5374.8424162946
³√n	306.83895184264
⁴√n	73.313316773248
⁵√n	31.056055510796

Divisors of 28888931

1, 31, 931901, 28888931

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	-28888930	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 28888931 can be divided by 4 positive divisors. The sum of these divisors (counting 28888931) is 1, the average is 0.25.

Base conversion 28888931

Base	System	Value
2	Binary	1101110001100111101100011
3	Ternary	2000100201011102
4	Quaternary	1232030331203
5	Quinary	24343421211
6	Senary	2511105015
8	Octal	156147543
10	Decimal	28888931
12	Duodecimal	981216b
16	Hexadecimal	1b8cf63
20	Vigesimal	90b26b
36	Base36	h76ub

Cryptographic Hash Functions

md5	b8b15fa4659664b30e6b2d1de8b77fc6
sha1	a164bcfef69341f938830d6ffbcb62d2c41e4c45
sha256	c17e4fc527cbfb688b71edc080db0eda7e592226b8cc4d7c409ab02eff266f9a
sha512	69e9d39dcee54f91cf7459d44e213311c2bb4b2b15ed3d3753871e29bed791eb48e290ccabace1e18ea3b2d89edc75d5d408e9b1928a945c98d1d8d6ff1fe5fe
ripemd-160	fa6fdae656df68ec054f1b1402f1282b81dea22e

28888931 as geometric shapes

Circle

Radius = n

Diameter	57777862
Circumference	181514506.79932
Area	2.6218800312124E+15

Sphere

Radius = n

Volume	1.009910817493E+23
Surface area	1.0487520124849E+16
Circumference	181514506.79932

Square

Length = n

Perimeter	115555724
Area	834570334322761
Diagonal	40855118.022661

Cube

Length = n

Surface area	5007422005936566
Volume	2.4109844802897E+22
Space diagonal	50037096.268352

Equilateral Triangle

Length = n

Perimeter	86666793
Area	3.6137955538419E+14
Altitude	25018548.134176

Triangular Pyramid

Length = n

Surface area	3.6137955538419E+14
Volume	2.841372458914E+21
Height	13618372.67422