28428757 (number)

28428757 is an odd 8-digits composite number following 28428756 and preceding 28428758. In scientific notation, it is written as 2.8428757 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 24367500 positive integers (up to 28428757) that are relatively prime to 28428757.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8428757 × 10^7
Engineering notation 2.8428757 × 10^6

Prime Factorization of 28428757

Prime Factorization 7 × 4061251

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28428757
Product of the distinct prime numbers

The prime factorization of 28428757 is 7 × 4061251. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 2, 79, 537, 965, 7565, 1246, 44006, 57588, 234474, 9489, 2515945, 5035005, 63318485, 69340654, 421040296, 677552880, 5971279534, 9267402556

Basic calculations (n = 28428757)

Multiplication

n×y
n×2 56857514
n×3 85286271
n×4 113715028
n×5 142143785

Division

n÷y
n÷2 14214378.5
n÷3 9476252.3333333
n÷3 7107189.25
n÷5 5685751.4

Exponentiation

ny
n2 808194224565049
n3 2.2975957218963E+22
n4 6.531779046203E+29
n5 1.856903592822E+37

Nth Root

y√n
2√n 5331.8624325839
3√n 305.20100339949
4√n 73.019603070572
5√n 30.956480157344

Divisors of 28428757

1, 7, 4061251, 28428757

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 -28428756
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 28428757 can be divided by 4 positive divisors. The sum of these divisors (counting 28428757) is 1, the average is 0.25.

Base conversion 28428757

Base System Value
2 Binary 1101100011100100111010101
3 Ternary 1222111022220221
4 Quaternary 1230130213111
5 Quinary 24234210012
6 Senary 2453154341
8 Octal 154344725
10 Decimal 28428757
12 Duodecimal 962b9b1
16 Hexadecimal 1b1c9d5
20 Vigesimal 8hdbhh
36 Base36 gxbrp

Cryptographic Hash Functions

md5 270684119a2baba91afacdf2ce4fe5da
sha1 334de71370ea6f431158ae8f8c26669ae372f5e8
sha256 0f37da631d666ab1e05298ce69497a29a70cc572a8c96b4750c654b8f9c993c8
sha512 6dc4c7343ea34f4a5503e22cce3d28d089f3721c87e8dec8f02fed0c8a74c7aa83fb7dc6154cd7001781121d7ef590b266093999189e48272b1c8029751686de
ripemd-160 3ed618f48afad37a9f24976a3dfce36afe49bcc7

28428757 as geometric shapes

Circle

Radius = n
Diameter 56857514
Circumference 178623148.28378
Area 2.5390170385673E+15

Sphere

Radius = n
Volume 9.6241464544384E+22
Surface area 1.0156068154269E+16
Circumference 178623148.28378

Square

Length = n
Perimeter 113715028
Area 808194224565049
Diagonal 40204333.710809

Cube

Length = n
Surface area 4849165347390294
Volume 2.2975957218963E+22
Space diagonal 49240051.520029

Equilateral Triangle

Length = n
Perimeter 85286271
Area 3.499583648326E+14
Altitude 24620025.760015

Triangular Pyramid

Length = n
Surface area 3.499583648326E+14
Volume 2.7077425256301E+21
Height 13401444.57027