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

28298991 (number)

28298991 is an odd 8-digits composite number following 28298990 and preceding 28298992. In scientific notation, it is written as 2.8298991 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 15928704 positive integers (up to 28298991) that are relatively prime to 28298991.

Interesting facts

28298991 has 8 divisors, whose sum is 30090544
The reverse of 28298991 is 19989282
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

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

Notation

Scientific notation	2.8298991 × 10^7
Engineering notation	2.8298991 × 10^6

Prime Factorization of 28298991

Prime Factorization 21 × 67 × 20113

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28298991	Product of the distinct prime numbers

The prime factorization of 28298991 is 21 × 67 × 20113. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 74, 71, 38, 776, 4612, 3066, 6484, 83028, 680170, 180889, 2583274, 9066501, 48266174, 13609930, 340597162, 586051403, 9702720277, 526656388

Basic calculations (n = 28298991)

Multiplication

n×y

n×2	56597982
n×3	84896973
n×4	113195964
n×5	141494955

Division

n÷y

n÷2	14149495.5
n÷3	9432997
n÷3	7074747.75
n÷5	5659798.2

Exponentiation

n^y

n²	800832891618081
n³	2.2662762792404E+22
n⁴	6.4133332029738E+29
n⁵	1.8149085859096E+37

Nth Root

^y√n

²√n	5319.6795956148
³√n	304.7359211986
⁴√n	72.936133676078
⁵√n	30.928167605087

Divisors of 28298991

1, 21, 67, 1407, 20113, 422373, 1347571, 28298991

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	-28298990	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 28298991 can be divided by 8 positive divisors. The sum of these divisors (counting 28298991) is 1, the average is 0.125.

Base conversion 28298991

Base	System	Value
2	Binary	1101011111100111011101111
3	Ternary	1222020201220210
4	Quaternary	1223330323233
5	Quinary	24221031431
6	Senary	2450313503
8	Octal	153747357
10	Decimal	28298991
12	Duodecimal	9588893
16	Hexadecimal	1afceef
20	Vigesimal	8gh79b
36	Base36	gujn3

Cryptographic Hash Functions

md5	99b9042234242cf712e5c49d12626948
sha1	ed5eedae0447fc389c68df819c9b7da540e8d33b
sha256	81a255e436a472defdaf26684aa499f07705ec526ce34182a6bb57721ea4ba8f
sha512	7b09dd7f7cb6896b2db9793b2951f069aa711bc46306a6e59e90318e89a79b32853dca0bcb9e518aa83fbcd4ca1d8e7bac8c00abb86a062d8e17a0de16c26033
ripemd-160	891cc244e5f2cbfd62224d5a5f1ac84ae0e2ec36

28298991 as geometric shapes

Circle

Radius = n

Diameter	56597982
Circumference	177807804.45921
Area	2.5158907290604E+15

Sphere

Radius = n

Volume	9.492955879822E+22
Surface area	1.0063562916242E+16
Circumference	177807804.45921

Square

Length = n

Perimeter	113195964
Area	800832891618081
Diagonal	40020816.873674

Cube

Length = n

Surface area	4804997349708486
Volume	2.2662762792404E+22
Space diagonal	49015290.214934

Equilateral Triangle

Length = n

Perimeter	84896973
Area	3.467708141637E+14
Altitude	24507645.107467

Triangular Pyramid

Length = n

Surface area	3.467708141637E+14
Volume	2.6708322084885E+21
Height	13340272.291225