28423920 (number)

28423920 is an even 8-digits composite number following 28423919 and preceding 28423921. In scientific notation, it is written as 2.8423920 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 6494208 positive integers (up to 28423920) that are relatively prime to 28423920.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twenty-three thousand nine hundred twenty

Notation

Scientific notation 2.8423920 × 10^7
Engineering notation 2.8423920 × 10^6

Prime Factorization of 28423920

Prime Factorization 2 × 2 × 2 × 2 × 735 × 2417

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3552990
Product of the distinct prime numbers

The prime factorization of 28423920 is 2 × 2 × 2 × 2 × 735 × 2417. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 10, 46, 65, 983, 978, 8046, 7475, 74531, 50687, 186477, 967849, 8373794, 2176794, 48424259, 72968482, 197878992, 932161488, 9141215191, 9250136364

Basic calculations (n = 28423920)

Multiplication

n×y
n×2 56847840
n×3 85271760
n×4 113695680
n×5 142119600

Division

n÷y
n÷2 14211960
n÷3 9474640
n÷3 7105980
n÷5 5684784

Exponentiation

ny
n2 807919228166400
n3 2.2964231507864E+22
n4 6.5273347924099E+29
n5 1.8553244195268E+37

Nth Root

y√n
2√n 5331.4088194398
3√n 305.18369298165
4√n 73.016496899261
5√n 30.955426669946

Divisors of 28423920

1, 2, 4, 8, 16, 735, 1470, 2417, 2940, 4834, 5880, 9668, 11760, 19336, 38672, 1776495, 3552990, 7105980, 14211960, 28423920

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28423919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28423920 can be divided by 20 positive divisors. The sum of these divisors (counting 28423920) is 1, the average is 0.05.

Base conversion 28423920

Base System Value
2 Binary 1101100011011011011110000
3 Ternary 1222111002021210
4 Quaternary 1230123123300
5 Quinary 24234031140
6 Senary 2453120120
8 Octal 154333360
10 Decimal 28423920
12 Duodecimal 9629040
16 Hexadecimal 1b1b6f0
20 Vigesimal 8hcjg0
36 Base36 gx81c

Cryptographic Hash Functions

md5 460b0046efff06662fead7d09bc09d1f
sha1 63a0e2e2be650ef411e38c1f300fb4b39d4a9642
sha256 47e68ee2e9c41878a5933cc34d38dd5789f57dfa2c074bcf3a8e638a7065aa7c
sha512 0c79423519b0f5347e9990feef7a247148091902c4ebe3ceb954c27724f480efc271ae256ef27102389d3efc4db3ef3c6bfe45a597c58bbdeef2fa6c39e686f7
ripemd-160 ce591b135201c910989bd95a420deb7f4542d516

28423920 as geometric shapes

Circle

Radius = n
Diameter 56847840
Circumference 178592756.51645
Area 2.5381531119015E+15

Sphere

Radius = n
Volume 9.6192348000586E+22
Surface area 1.0152612447606E+16
Circumference 178592756.51645

Square

Length = n
Perimeter 113695680
Area 807919228166400
Diagonal 40197493.159808

Cube

Length = n
Surface area 4847515368998400
Volume 2.2964231507864E+22
Space diagonal 49231673.590273

Equilateral Triangle

Length = n
Perimeter 85271760
Area 3.4983928789901E+14
Altitude 24615836.795137

Triangular Pyramid

Length = n
Surface area 3.4983928789901E+14
Volume 2.7063606373247E+21
Height 13399164.386603