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

28991013 (number)

28991013 is an odd 8-digits composite number following 28991012 and preceding 28991014. In scientific notation, it is written as 2.8991013 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 19314288 positive integers (up to 28991013) that are relatively prime to 28991013.

Interesting facts

28991013 has 8 divisors, whose sum is 38680800
The reverse of 28991013 is 31019982
Previous prime number is 4259

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-eight million nine hundred ninety-one thousand thirteen

Notation

Scientific notation	2.8991013 × 10^7
Engineering notation	2.8991013 × 10^6

Prime Factorization of 28991013

Prime Factorization 3 × 4259 × 2269

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28991013	Product of the distinct prime numbers

The prime factorization of 28991013 is 3 × 4259 × 2269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 60, 34, 637, 948, 2870, 1015, 93977, 97768, 401878, 769925, 3521557, 3481865, 82226108, 93779350, 900553097, 935649759, 7772959177, 5785263821

Basic calculations (n = 28991013)

Multiplication

n×y

n×2	57982026
n×3	86973039
n×4	115964052
n×5	144955065

Division

n÷y

n÷2	14495506.5
n÷3	9663671
n÷3	7247753.25
n÷5	5798202.6

Exponentiation

n^y

n²	840478834766169
n³	2.4366332824931E+22
n⁴	7.064046716899E+29
n⁵	2.0479387020223E+37

Nth Root

^y√n

²√n	5384.3303204763
³√n	307.19994260999
⁴√n	73.377996160131
⁵√n	31.077972505607

Divisors of 28991013

1, 3, 2269, 4259, 6807, 12777, 9663671, 28991013

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	-28991012	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 28991013 can be divided by 8 positive divisors. The sum of these divisors (counting 28991013) is 1, the average is 0.125.

Base conversion 28991013

Base	System	Value
2	Binary	1101110100101111000100101
3	Ternary	2000112220012020
4	Quaternary	1232211320211
5	Quinary	24410203023
6	Senary	2513213353
8	Octal	156457045
10	Decimal	28991013
12	Duodecimal	9861259
16	Hexadecimal	1ba5e25
20	Vigesimal	913had
36	Base36	h9dlx

Cryptographic Hash Functions

md5	b4f251b271947933528d7e72d7394f35
sha1	a9912a18cb022aafe228c0b122240b1bd1589cd0
sha256	1b00555a698b1fa6b4a661cec89d2e6b4526c3b04f83962ea086db6a1b4af0dd
sha512	e96ae6119400424aad5212b9ce003a8f7b032078f16e0a16988b5947dab7069b755b63bef804e31b54a80633fa1907f0d8e69081e8f219bfde0691ceb6c89dca
ripemd-160	6d9b51fd9986ed2356ad9460b5ac354e6a36093c

28991013 as geometric shapes

Circle

Radius = n

Diameter	57982026
Circumference	182155906.92185
Area	2.6404421327991E+15

Sphere

Radius = n

Volume	1.0206545626364E+23
Surface area	1.0561768531196E+16
Circumference	182155906.92185

Square

Length = n

Perimeter	115964052
Area	840478834766169
Diagonal	40999483.771535

Cube

Length = n

Surface area	5042873008597014
Volume	2.4366332824931E+22
Space diagonal	50213907.47889

Equilateral Triangle

Length = n

Perimeter	86973039
Area	3.6393801112532E+14
Altitude	25106953.739445

Triangular Pyramid

Length = n

Surface area	3.6393801112532E+14
Volume	2.8715998621928E+21
Height	13666494.590512