28407838 (number)

28407838 is an even 8-digits composite number following 28407837 and preceding 28407839. In scientific notation, it is written as 2.8407838 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 14181120 positive integers (up to 28407838) that are relatively prime to 28407838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8407838 × 10^7
Engineering notation 2.8407838 × 10^6

Prime Factorization of 28407838

Prime Factorization 2 × 641 × 22159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28407838
Product of the distinct prime numbers

The prime factorization of 28407838 is 2 × 641 × 22159. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 36, 55, 406, 429, 3203, 2293, 81978, 31154, 953902, 918369, 4887842, 2700629, 26164927, 48866495, 420677270, 491862718, 7853352384, 8614638100

Basic calculations (n = 28407838)

Multiplication

n×y
n×2 56815676
n×3 85223514
n×4 113631352
n×5 142039190

Division

n÷y
n÷2 14203919
n÷3 9469279.3333333
n÷3 7101959.5
n÷5 5681567.6

Exponentiation

ny
n2 807005259834244
n3 2.2925274686519E+22
n4 6.5125748940014E+29
n5 1.8500817255166E+37

Nth Root

y√n
2√n 5329.9003743034
3√n 305.12612538754
4√n 73.006166686818
5√n 30.95192301615

Divisors of 28407838

1, 2, 641, 1282, 22159, 44318, 14203919, 28407838

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 -28407837
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 28407838 can be divided by 8 positive divisors. The sum of these divisors (counting 28407838) is 1, the average is 0.125.

Base conversion 28407838

Base System Value
2 Binary 1101100010111100000011110
3 Ternary 1222110021020011
4 Quaternary 1230113200132
5 Quinary 24233022323
6 Senary 2452513434
8 Octal 154274036
10 Decimal 28407838
12 Duodecimal 961b87a
16 Hexadecimal 1b1781e
20 Vigesimal 8hajbi
36 Base36 gwvmm

Cryptographic Hash Functions

md5 209a06639b99cac1a07aefdf8ba80482
sha1 fdd30a8e859027cb0ff656220b1b20218e4b0729
sha256 6405842fab66b57cf65d894c80a1513462ce34efe85315f1aacddcba2e2eca3d
sha512 91fd39b240baf9af415a861df72e1bb3a7b5167ede3fc7061bea98b106da83058f329ef2d262f0feaa6258e5c2fea3fd22c28edb13de2ddc650a13c43c3cdebc
ripemd-160 3adcc82536918e4e875c3c21bd21a98924c6917d

28407838 as geometric shapes

Circle

Radius = n
Diameter 56815676
Circumference 178491710.33034
Area 2.5352817957036E+15

Sphere

Radius = n
Volume 9.6029166048929E+22
Surface area 1.0141127182814E+16
Circumference 178491710.33034

Square

Length = n
Perimeter 113631352
Area 807005259834244
Diagonal 40174749.777298

Cube

Length = n
Surface area 4842031559005464
Volume 2.2925274686519E+22
Space diagonal 49203818.749186

Equilateral Triangle

Length = n
Perimeter 85223514
Area 3.4944352800206E+14
Altitude 24601909.374593

Triangular Pyramid

Length = n
Surface area 3.4944352800206E+14
Volume 2.7017695319003E+21
Height 13391583.259099