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

28457890 (number)

28457890 is an even 8-digits composite number following 28457889 and preceding 28457891. In scientific notation, it is written as 2.8457890 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 11383152 positive integers (up to 28457890) that are relatively prime to 28457890.

Interesting facts

28457890 has 8 divisors, whose sum is 51224220
The reverse of 28457890 is 09875482
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twenty-eight million four hundred fifty-seven thousand eight hundred ninety

Notation

Scientific notation	2.8457890 × 10^7
Engineering notation	2.8457890 × 10^6

Prime Factorization of 28457890

Prime Factorization 2 × 5 × 2845789

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28457890	Product of the distinct prime numbers

The prime factorization of 28457890 is 2 × 5 × 2845789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 97, 85, 180, 599, 7759, 4316, 35656, 47186, 92482, 232229, 8579478, 1252599, 72737759, 23226333, 401262721, 280144946, 8946599199, 7371606672

Basic calculations (n = 28457890)

Multiplication

n×y

n×2	56915780
n×3	85373670
n×4	113831560
n×5	142289450

Division

n÷y

n÷2	14228945
n÷3	9485963.3333333
n÷3	7114472.5
n÷5	5691578

Exponentiation

n^y

n²	809851503252100
n³	2.3046664995883E+22
n⁴	6.5585945731969E+29
n⁵	1.8664376291863E+37

Nth Root

^y√n

²√n	5334.5937052413
³√n	305.3052216427
⁴√n	73.038303000832
⁵√n	30.962822226293

Divisors of 28457890

1, 2, 5, 10, 2845789, 5691578, 14228945, 28457890

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	-28457889	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 28457890 can be divided by 8 positive divisors. The sum of these divisors (counting 28457890) is 1, the average is 0.125.

Base conversion 28457890

Base	System	Value
2	Binary	1101100100011101110100010
3	Ternary	1222112210212221
4	Quaternary	1230203232202
5	Quinary	24241123030
6	Senary	2453541254
8	Octal	154435642
10	Decimal	28457890
12	Duodecimal	964482a
16	Hexadecimal	1b23ba2
20	Vigesimal	8hh4ea
36	Base36	gxy8y

Cryptographic Hash Functions

md5	28a2078ff2ff60cb8ad61547a8b925a6
sha1	a394f6a18d3a531944d5ed5b9131e107c4ba88d5
sha256	9c0c25c1dd749b84eef65c6a69e7516ab568f464c2a0fd22b8f6b304874ae1a3
sha512	f043e13a6935a23bef8862cfaadaad5d60e3015d2a420f2eaa57614880907601a1c4522338568b4f09a423ca854d8154c1b6d62331591ec3d338496b64c7c320
ripemd-160	f5fc4625e6116260e5ef0f9ca991bab272664743

28457890 as geometric shapes

Circle

Radius = n

Diameter	56915780
Circumference	178806196.32133
Area	2.5442235331154E+15

Sphere

Radius = n

Volume	9.6537644587748E+22
Surface area	1.0176894132462E+16
Circumference	178806196.32133

Square

Length = n

Perimeter	113831560
Area	809851503252100
Diagonal	40245533.994522

Cube

Length = n

Surface area	4859109019512600
Volume	2.3046664995883E+22
Space diagonal	49290511.356206

Equilateral Triangle

Length = n

Perimeter	85373670
Area	3.5067598755467E+14
Altitude	24645255.678103

Triangular Pyramid

Length = n

Surface area	3.5067598755467E+14
Volume	2.7160755170539E+21
Height	13415177.998174