28280428 (number)

28280428 is an even 8-digits composite number following 28280427 and preceding 28280429. In scientific notation, it is written as 2.8280428 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 12854720 positive integers (up to 28280428) that are relatively prime to 28280428.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred eighty thousand four hundred twenty-eight

Notation

Scientific notation 2.8280428 × 10^7
Engineering notation 2.8280428 × 10^6

Prime Factorization of 28280428

Prime Factorization 2 × 2 × 11 × 642737

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14140214
Product of the distinct prime numbers

The prime factorization of 28280428 is 2 × 2 × 11 × 642737. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 14, 56, 195, 559, 8341, 9739, 44454, 42289, 757611, 525181, 7206836, 5606816, 94314207, 6009701, 498274582, 365286074, 9284735987, 956347906

Basic calculations (n = 28280428)

Multiplication

n×y
n×2 56560856
n×3 84841284
n×4 113121712
n×5 141402140

Division

n÷y
n÷2 14140214
n÷3 9426809.3333333
n÷3 7070107
n÷5 5656085.6

Exponentiation

ny
n2 799782607863184
n3 2.2618194457327E+22
n4 6.3965221984044E+29
n5 1.8089638548238E+37

Nth Root

y√n
2√n 5317.9345614627
3√n 304.66927512117
4√n 72.92416994017
5√n 30.924109013214

Divisors of 28280428

1, 2, 4, 11, 22, 44, 642737, 1285474, 2570948, 7070107, 14140214, 28280428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28280427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28280428 can be divided by 12 positive divisors. The sum of these divisors (counting 28280428) is 1, the average is 0.083333333333333.

Base conversion 28280428

Base System Value
2 Binary 1101011111000011001101100
3 Ternary 1222012210110021
4 Quaternary 1223320121230
5 Quinary 24214433203
6 Senary 2450051524
8 Octal 153703154
10 Decimal 28280428
12 Duodecimal 9579ba4
16 Hexadecimal 1af866c
20 Vigesimal 8gf118
36 Base36 gu5bg

Cryptographic Hash Functions

md5 6955a07da44ad3bb7fec0dbd3dcfdf5b
sha1 8706aaddc0e9503e5de19b52d07db3c7466284b5
sha256 15ad485df43fddbf43ea0522d05f6a5198c5a93c4b4e23d1b304c409abd2e2dc
sha512 9952700557122e5009ae653b18bcd591b6514ca4c20398b6bb0f6e5ca4756abe60dc1db92f383321dd220adc903216b72f791ce60f1ee7bc0e0247ebbe78d8de
ripemd-160 39a3d415a17e0080782f9b885b7aa0fc5a2f1381

28280428 as geometric shapes

Circle

Radius = n
Diameter 56560856
Circumference 177691169.69035
Area 2.5125911653319E+15

Sphere

Radius = n
Volume 9.4742871392805E+22
Surface area 1.0050364661327E+16
Circumference 177691169.69035

Square

Length = n
Perimeter 113121712
Area 799782607863184
Diagonal 39994564.827316

Cube

Length = n
Surface area 4798695647179104
Volume 2.2618194457327E+22
Space diagonal 48983138.155793

Equilateral Triangle

Length = n
Perimeter 84841284
Area 3.4631602795724E+14
Altitude 24491569.077897

Triangular Pyramid

Length = n
Surface area 3.4631602795724E+14
Volume 2.6655797798287E+21
Height 13331521.609105