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

28991609 (number)

28991609 is an odd 8-digits composite number following 28991608 and preceding 28991610. In scientific notation, it is written as 2.8991609 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 28208016 positive integers (up to 28991609) that are relatively prime to 28991609.

Interesting facts

28991609 has 4 divisors, whose sum is 29775204
The reverse of 28991609 is 90619982
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	2.8991609 × 10^7
Engineering notation	2.8991609 × 10^6

Prime Factorization of 28991609

Prime Factorization 37 × 783557

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28991609	Product of the distinct prime numbers

The prime factorization of 28991609 is 37 × 783557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 98, 2, 468, 316, 1383, 5018, 19063, 77470, 606139, 192370, 2066291, 6712348, 317143, 22313168, 265935952, 931500479, 6739718454, 8850376693

Basic calculations (n = 28991609)

Multiplication

n×y

n×2	57983218
n×3	86974827
n×4	115966436
n×5	144958045

Division

n÷y

n÷2	14495804.5
n÷3	9663869.6666667
n÷3	7247902.25
n÷5	5798321.8

Exponentiation

n^y

n²	840513392408881
n³	2.4367835631982E+22
n⁴	7.0646276281869E+29
n⁵	2.0481492192699E+37

Nth Root

^y√n

²√n	5384.385665979
³√n	307.2020477441
⁴√n	73.378373285178
⁵√n	31.078100285338

Divisors of 28991609

1, 37, 783557, 28991609

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	-28991608	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 28991609 can be divided by 4 positive divisors. The sum of these divisors (counting 28991609) is 1, the average is 0.25.

Base conversion 28991609

Base	System	Value
2	Binary	1101110100110000001111001
3	Ternary	2000112221000022
4	Quaternary	1232212001321
5	Quinary	24410212414
6	Senary	2513220225
8	Octal	156460171
10	Decimal	28991609
12	Duodecimal	9861675
16	Hexadecimal	1ba6079
20	Vigesimal	913j09
36	Base36	h9e2h

Cryptographic Hash Functions

md5	1c97dab6ad91f308af32f76639717c34
sha1	9059adac951f07ffe499d4ced8a95770aeb31a6a
sha256	e6eff68d77312f84ae8021069a179ed052d2e12e3b2c70674e6583df5b33f724
sha512	7af69d8e2e0d67ffa38c5fb4736192f4d6517f8855abe89aa968889d0c0c8bf82702615c567aa1767406ddf63d2b95b3d88ce9973d538a1952d1c1e01c2e0533
ripemd-160	ae185683c2771d660e77ac5ace4215c87ab6b970

28991609 as geometric shapes

Circle

Radius = n

Diameter	57983218
Circumference	182159651.7003
Area	2.6405506988356E+15

Sphere

Radius = n

Volume	1.0207175120709E+23
Surface area	1.0562202795342E+16
Circumference	182159651.7003

Square

Length = n

Perimeter	115966436
Area	840513392408881
Diagonal	41000326.642818

Cube

Length = n

Surface area	5043080354453286
Volume	2.4367835631982E+22
Space diagonal	50214939.781171

Equilateral Triangle

Length = n

Perimeter	86974827
Area	3.6395297502356E+14
Altitude	25107469.890586

Triangular Pyramid

Length = n

Surface area	3.6395297502356E+14
Volume	2.8717769697023E+21
Height	13666775.547606