28438557 (number)

28438557 is an odd 8-digits composite number following 28438556 and preceding 28438558. In scientific notation, it is written as 2.8438557 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 15358464 positive integers (up to 28438557) that are relatively prime to 28438557.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8438557 × 10^7
Engineering notation 2.8438557 × 10^6

Prime Factorization of 28438557

Prime Factorization 69 × 7 × 97 × 607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28438557
Product of the distinct prime numbers

The prime factorization of 28438557 is 69 × 7 × 97 × 607. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 87, 32, 117, 649, 9883, 5192, 40207, 31014, 930517, 489622, 3251135, 227743, 66670233, 41845879, 106790919, 384120056, 4483711096, 6843748355

Basic calculations (n = 28438557)

Multiplication

n×y
n×2 56877114
n×3 85315671
n×4 113754228
n×5 142192785

Division

n÷y
n÷2 14219278.5
n÷3 9479519
n÷3 7109639.25
n÷5 5687711.4

Exponentiation

ny
n2 808751524242249
n3 2.2999726321E+22
n4 6.5407902796416E+29
n5 1.8601063719263E+37

Nth Root

y√n
2√n 5332.7813568531
3√n 305.23606913962
4√n 73.025895111618
5√n 30.95861413515

Divisors of 28438557

1, 7, 69, 97, 483, 607, 679, 4249, 6693, 41883, 46851, 58879, 293181, 412153, 4062651, 28438557

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438556
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438557 can be divided by 16 positive divisors. The sum of these divisors (counting 28438557) is 1, the average is 0.0625.

Base conversion 28438557

Base System Value
2 Binary 1101100011111000000011101
3 Ternary 1222111211100220
4 Quaternary 1230133000131
5 Quinary 24240013212
6 Senary 2453311553
8 Octal 154370035
10 Decimal 28438557
12 Duodecimal 96355b9
16 Hexadecimal 1b1f01d
20 Vigesimal 8heg7h
36 Base36 gxjbx

Cryptographic Hash Functions

md5 eac42ca321fe4de4acd7e218ff26b050
sha1 0c2d8ef70524495e8490864c8f1aeb8633c2ea5d
sha256 820570d296604877d2e95ee4692900b27d58793e0405fca330092a2e9f00f0c8
sha512 22f052406823e4466f90dac5b806f5a3450f59ac2e63376201f1eabb5b169dc9d20304718c3f4ae6422fe0abd24d41008272025092f43ad8dd7cebe45fc6fa35
ripemd-160 0e6ae79b9910267894e8a1ec1a2e08e078d1373d

28438557 as geometric shapes

Circle

Radius = n
Diameter 56877114
Circumference 178684723.49979
Area 2.540767847139E+15

Sphere

Radius = n
Volume 9.6341028326173E+22
Surface area 1.0163071388556E+16
Circumference 178684723.49979

Square

Length = n
Perimeter 113754228
Area 808751524242249
Diagonal 40218193.00372

Cube

Length = n
Surface area 4852509145453494
Volume 2.2999726321E+22
Space diagonal 49257025.617944

Equilateral Triangle

Length = n
Perimeter 85315671
Area 3.5019968267159E+14
Altitude 24628512.808972

Triangular Pyramid

Length = n
Surface area 3.5019968267159E+14
Volume 2.710543741169E+21
Height 13406064.334573