28102920 (number)

28102920 is an even 8-digits composite number following 28102919 and preceding 28102921. In scientific notation, it is written as 2.8102920 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors. There are 7494080 positive integers (up to 28102920) that are relatively prime to 28102920.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred two thousand nine hundred twenty

Notation

Scientific notation 2.8102920 × 10^7
Engineering notation 2.8102920 × 10^6

Prime Factorization of 28102920

Prime Factorization 2 × 2 × 2 × 5 × 3 × 234191

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7025730
Product of the distinct prime numbers

The prime factorization of 28102920 is 2 × 2 × 2 × 5 × 3 × 234191. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28102920)

Multiplication

n×y
n×2 56205840
n×3 84308760
n×4 112411680
n×5 140514600

Division

n÷y
n÷2 14051460
n÷3 9367640
n÷3 7025730
n÷5 5620584

Exponentiation

ny
n2 789774112526400
n3 2.21949587024E+22
n4 6.2374314881686E+29
n5 1.7529003811748E+37

Nth Root

y√n
2√n 5301.2187278021
3√n 304.03049670968
4√n 72.809468668588
5√n 30.885190856033

Divisors of 28102920

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28102919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28102920 can be divided by 32 positive divisors. The sum of these divisors (counting 28102920) is 1, the average is 0.03125.

Base conversion 28102920

Base System Value
2 Binary 1101011001101000100001000
3 Ternary 1221212202221220
4 Quaternary 1223031010020
5 Quinary 24143243140
6 Senary 2442202040
8 Octal 153150410
10 Decimal 28102920
12 Duodecimal 94b3320
16 Hexadecimal 1acd108
20 Vigesimal 8fch60
36 Base36 gqcco

Cryptographic Hash Functions

md5 c696962a04cfa1855166f4c576ecf8a0
sha1 899dab2b750e3150f2d75185a5fa4d5d9c8d33e6
sha256 2afeb48a43d16834ff0e975382b203d4405f007bbacdddeba99ad1d1057f5c71
sha512 d36ba50bd25765d8f31d7e06560b125010fb7dcb0b4e3b3dd5bcf7aa27a82383df02b6905743047866cdd16059e3e43533d37446c894c4a8cd2ba9c9aa94606a
ripemd-160 2aa1c475b7f93ba859845e2f6757d9ca057ada82

28102920 as geometric shapes

Circle

Radius = n
Diameter 56205840
Circumference 176575854.03284
Area 2.4811485499083E+15

Sphere

Radius = n
Volume 9.2970025608253E+22
Surface area 9.9245941996333E+15
Circumference 176575854.03284

Square

Length = n
Perimeter 112411680
Area 789774112526400
Diagonal 39743530.606286

Cube

Length = n
Surface area 4738644675158400
Volume 2.21949587024E+22
Space diagonal 48675685.281044

Equilateral Triangle

Length = n
Perimeter 84308760
Area 3.4198222234959E+14
Altitude 24337842.640522

Triangular Pyramid

Length = n
Surface area 3.4198222234959E+14
Volume 2.6157009677705E+21
Height 13247843.535429