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

28991005 (number)

28991005 is an odd 8-digits composite number following 28991004 and preceding 28991006. In scientific notation, it is written as 2.8991005 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 23192800 positive integers (up to 28991005) that are relatively prime to 28991005.

Interesting facts

28991005 has 4 divisors, whose sum is 34789212
The reverse of 28991005 is 50019982
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.8991005 × 10^7
Engineering notation	2.8991005 × 10^6

Prime Factorization of 28991005

Prime Factorization 5 × 5798201

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28991005	Product of the distinct prime numbers

The prime factorization of 28991005 is 5 × 5798201. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 91, 37, 909, 700, 9889, 2841, 95025, 25475, 805131, 763618, 5177913, 9263472, 82522611, 54031798, 677699352, 505956190, 4945165147, 8966169980

Basic calculations (n = 28991005)

Multiplication

n×y

n×2	57982010
n×3	86973015
n×4	115964020
n×5	144955025

Division

n÷y

n÷2	14495502.5
n÷3	9663668.3333333
n÷3	7247751.25
n÷5	5798201

Exponentiation

n^y

n²	840478370910025
n³	2.4366312653444E+22
n⁴	7.0640389196757E+29
n⁵	2.0479358764051E+37

Nth Root

^y√n

²√n	5384.3295775797
³√n	307.19991435296
⁴√n	73.377991098011
⁵√n	31.077970790428

Divisors of 28991005

1, 5, 5798201, 28991005

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	-28991004	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 28991005 can be divided by 4 positive divisors. The sum of these divisors (counting 28991005) is 1, the average is 0.25.

Base conversion 28991005

Base	System	Value
2	Binary	1101110100101111000011101
3	Ternary	2000112220011221
4	Quaternary	1232211320131
5	Quinary	24410203010
6	Senary	2513213341
8	Octal	156457035
10	Decimal	28991005
12	Duodecimal	9861251
16	Hexadecimal	1ba5e1d
20	Vigesimal	913ha5
36	Base36	h9dlp

Cryptographic Hash Functions

md5	2686f12df7f407db11c8cca86ab1e1d9
sha1	14561c3cbde03926eccc5e07bac9815593002285
sha256	67c1c882bd04f3672de0aa17708dc53729aeaac91f3cd0184ed4bf1a924b52ef
sha512	2d8630c91bf8432b1ea2c4b2526df8415a1f15bcc392d0a9d107768951579eed8f3a982046f2f759efcb2e55d2f81e354ee8b0d8b5113c25b12e9d64155c4124
ripemd-160	b0c5893e65c27bc966704ca5fd84d202516b52aa

28991005 as geometric shapes

Circle

Radius = n

Diameter	57982010
Circumference	182155856.65637
Area	2.6404406755521E+15

Sphere

Radius = n

Volume	1.0206537176951E+23
Surface area	1.0561762702208E+16
Circumference	182155856.65637

Square

Length = n

Perimeter	115964020
Area	840478370910025
Diagonal	40999472.457826

Cube

Length = n

Surface area	5042870225460150
Volume	2.4366312653444E+22
Space diagonal	50213893.622483

Equilateral Triangle

Length = n

Perimeter	86973015
Area	3.6393781026972E+14
Altitude	25106946.811242

Triangular Pyramid

Length = n

Surface area	3.6393781026972E+14
Volume	2.8715974849604E+21
Height	13666490.819275