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

28276721 (number)

28276721 is an odd 8-digits composite number following 28276720 and preceding 28276722. In scientific notation, it is written as 2.8276721 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 25706100 positive integers (up to 28276721) that are relatively prime to 28276721.

Interesting facts

28276721 has 4 divisors, whose sum is 30847344
The reverse of 28276721 is 12767282
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-eight million two hundred seventy-six thousand seven hundred twenty-one

Notation

Scientific notation	2.8276721 × 10^7
Engineering notation	2.8276721 × 10^6

Prime Factorization of 28276721

Prime Factorization 11 × 2570611

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28276721	Product of the distinct prime numbers

The prime factorization of 28276721 is 11 × 2570611. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 50, 67, 209, 921, 7716, 9307, 18219, 36082, 968327, 728124, 8052098, 1013612, 53907350, 54504342, 50300480, 200275627, 8446235668, 6846832977

Basic calculations (n = 28276721)

Multiplication

n×y

n×2	56553442
n×3	84830163
n×4	113106884
n×5	141383605

Division

n÷y

n÷2	14138360.5
n÷3	9425573.6666667
n÷3	7069180.25
n÷5	5655344.2

Exponentiation

n^y

n²	799572950511841
n³	2.260930124077E+22
n⁴	6.3931690319021E+29
n⁵	1.8077785702094E+37

Nth Root

^y√n

²√n	5317.5860124684
³√n	304.6559625179
⁴√n	72.921780096679
⁵√n	30.923298263935

Divisors of 28276721

1, 11, 2570611, 28276721

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	-28276720	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 28276721 can be divided by 4 positive divisors. The sum of these divisors (counting 28276721) is 1, the average is 0.25.

Base conversion 28276721

Base	System	Value
2	Binary	1101011110111011111110001
3	Ternary	1222012121100222
4	Quaternary	1223313133301
5	Quinary	24214323341
6	Senary	2450022425
8	Octal	153673761
10	Decimal	28276721
12	Duodecimal	9577a15
16	Hexadecimal	1af77f1
20	Vigesimal	8gebg1
36	Base36	gu2gh

Cryptographic Hash Functions

md5	eb93e8067f1119992e5f00abaca8e967
sha1	62e8dc4097fbcbd145419395c9656f493c649af0
sha256	27c2d351987549f68b8fd7593e0cd4f203ab3fcef80950bf384a38a6cff0c973
sha512	bca672d15965321cf17b74e324e5be39d3fd55830feba2b47fda0493965b4f14aab720d1e5a6c62c9d0af1b41d36966eea180056a36fd30aaa42bf345fcedd00
ripemd-160	cb3ce2a31c1da100ec1346dbdc8e913c2d661d35

28276721 as geometric shapes

Circle

Radius = n

Diameter	56553442
Circumference	177667877.92242
Area	2.5119325073371E+15

Sphere

Radius = n

Volume	9.4705619574403E+22
Surface area	1.0047730029348E+16
Circumference	177667877.92242

Square

Length = n

Perimeter	113106884
Area	799572950511841
Diagonal	39989322.33764

Cube

Length = n

Surface area	4797437703071046
Volume	2.260930124077E+22
Space diagonal	48976717.44345

Equilateral Triangle

Length = n

Perimeter	84830163
Area	3.4622524366107E+14
Altitude	24488358.721725

Triangular Pyramid

Length = n

Surface area	3.4622524366107E+14
Volume	2.6645317042063E+21
Height	13329774.112547