28809738 (number)

28809738 is an even 8-digits composite number following 28809737 and preceding 28809739. In scientific notation, it is written as 2.8809738 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 9097704 positive integers (up to 28809738) that are relatively prime to 28809738.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred nine thousand seven hundred thirty-eight

Notation

Scientific notation 2.8809738 × 10^7
Engineering notation 2.8809738 × 10^6

Prime Factorization of 28809738

Prime Factorization 2 × 9 × 19 × 84239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28809738
Product of the distinct prime numbers

The prime factorization of 28809738 is 2 × 9 × 19 × 84239. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 22, 87, 814, 925, 7007, 5784, 91079, 32223, 300502, 391894, 1713801, 9910801, 34616667, 28561890, 172176898, 569193473, 6217807168, 2992606268

Basic calculations (n = 28809738)

Multiplication

n×y
n×2 57619476
n×3 86429214
n×4 115238952
n×5 144048690

Division

n÷y
n÷2 14404869
n÷3 9603246
n÷3 7202434.5
n÷5 5761947.6

Exponentiation

ny
n2 830001003628644
n3 2.3912111454278E+22
n4 6.8890166602456E+29
n5 1.9847076505931E+37

Nth Root

y√n
2√n 5367.4703539004
3√n 306.55831684791
4√n 73.263021736074
5√n 31.039010065631

Divisors of 28809738

1, 2, 9, 18, 19, 38, 171, 342, 84239, 168478, 758151, 1516302, 1600541, 3201082, 14404869, 28809738

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 -28809737
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 28809738 can be divided by 16 positive divisors. The sum of these divisors (counting 28809738) is 1, the average is 0.0625.

Base conversion 28809738

Base System Value
2 Binary 1101101111001101000001010
3 Ternary 2000012200112100
4 Quaternary 1231321220022
5 Quinary 24333402423
6 Senary 2505254230
8 Octal 155715012
10 Decimal 28809738
12 Duodecimal 9794376
16 Hexadecimal 1b79a0a
20 Vigesimal 90146i
36 Base36 h5hqi

Cryptographic Hash Functions

md5 b7306e164b48bcbcd12537aae9e38438
sha1 baa3fc23450128ce2f10f96063ebb191be4118e7
sha256 a9d78a967141125372eb6db5cc16d76e3e0bec1df04d925ad12b0ed1af04f511
sha512 1299e1c9e7ffedca1963a6d85fa68423d4c925bbd3b77b24e18e8204ea81fe52c41554197adbd657710681cecf138ac447266280fcc718dd2269610d13a07bc0
ripemd-160 b4059336b1a1a5f1afe236ea9a52d3c69d46b10a

28809738 as geometric shapes

Circle

Radius = n
Diameter 57619476
Circumference 181016922.50529
Area 2.6075250554719E+15

Sphere

Radius = n
Volume 1.0016281823544E+23
Surface area 1.0430100221888E+16
Circumference 181016922.50529

Square

Length = n
Perimeter 115238952
Area 830001003628644
Diagonal 40743122.208016

Cube

Length = n
Surface area 4980006021771864
Volume 2.3912111454278E+22
Space diagonal 49899929.968748

Equilateral Triangle

Length = n
Perimeter 86429214
Area 3.5940097715449E+14
Altitude 24949964.984374

Triangular Pyramid

Length = n
Surface area 3.5940097715449E+14
Volume 2.8180693603014E+21
Height 13581040.736005