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

28742457 (number)

28742457 is an odd 8-digits composite number following 28742456 and preceding 28742458. In scientific notation, it is written as 2.8742457 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 19141488 positive integers (up to 28742457) that are relatively prime to 28742457.

Interesting facts

28742457 has 8 divisors, whose sum is 38363584
The reverse of 28742457 is 75424782
Previous prime number is 9013

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty-eight million seven hundred forty-two thousand four hundred fifty-seven

Notation

Scientific notation	2.8742457 × 10^7
Engineering notation	2.8742457 × 10^6

Prime Factorization of 28742457

Prime Factorization 3 × 9013 × 1063

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28742457	Product of the distinct prime numbers

The prime factorization of 28742457 is 3 × 9013 × 1063. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 10, 100, 69, 673, 470, 1152, 6149, 56837, 77107, 707364, 805734, 8260672, 379508, 95645718, 81875015, 215817009, 850278661, 1051334270, 4291806130

Basic calculations (n = 28742457)

Multiplication

n×y

n×2	57484914
n×3	86227371
n×4	114969828
n×5	143712285

Division

n÷y

n÷2	14371228.5
n÷3	9580819
n÷3	7185614.25
n÷5	5748491.4

Exponentiation

n^y

n²	826128834396849
n³	2.3744972499112E+22
n⁴	6.824888510219E+29
n⁵	1.9616406453476E+37

Nth Root

^y√n

²√n	5361.1992128627
³√n	306.31948988158
⁴√n	73.220210412582
⁵√n	31.024499075096

Divisors of 28742457

1, 3, 1063, 3189, 9013, 27039, 9580819, 28742457

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	-28742456	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 28742457 can be divided by 8 positive divisors. The sum of these divisors (counting 28742457) is 1, the average is 0.125.

Base conversion 28742457

Base	System	Value
2	Binary	1101101101001001100111001
3	Ternary	2000002021020110
4	Quaternary	1231221030321
5	Quinary	24324224312
6	Senary	2504014533
8	Octal	155511471
10	Decimal	28742457
12	Duodecimal	9761449
16	Hexadecimal	1b69339
20	Vigesimal	8jcg2h
36	Base36	h41tl

Cryptographic Hash Functions

md5	6c00142db6c1d6c66461d7de7f197cac
sha1	c6f31473ed6b77168304a15e96d34e19bd52aae2
sha256	3450cc4dec71b06889559fe18679c585bc37a7959be85d3412d045b70de63e99
sha512	51b94d820ee683578c210871734fb97e5b3b192e72609569baa3086d7a3790049b9e2772b0b7f6a70e0b88f8ebf4f8eb6abb5677b9344ef04f4656a30f3fb504
ripemd-160	f17fd9ed330018b1db86da6dcb0b7cee525d7a35

28742457 as geometric shapes

Circle

Radius = n

Diameter	57484914
Circumference	180594183.51464
Area	2.5953602770598E+15

Sphere

Radius = n

Volume	9.9462708217201E+22
Surface area	1.0381441108239E+16
Circumference	180594183.51464

Square

Length = n

Perimeter	114969828
Area	826128834396849
Diagonal	40647972.505326

Cube

Length = n

Surface area	4956773006381094
Volume	2.3744972499112E+22
Space diagonal	49783395.858364

Equilateral Triangle

Length = n

Perimeter	86227371
Area	3.5772427869325E+14
Altitude	24891697.929182

Triangular Pyramid

Length = n

Surface area	3.5772427869325E+14
Volume	2.798371845535E+21
Height	13549324.168442