28930145 (number)

28930145 is an odd 8-digits composite number following 28930144 and preceding 28930146. In scientific notation, it is written as 2.8930145 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 22521600 positive integers (up to 28930145) that are relatively prime to 28930145.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty thousand one hundred forty-five

Notation

Scientific notation 2.8930145 × 10^7
Engineering notation 2.8930145 × 10^6

Prime Factorization of 28930145

Prime Factorization 5 × 47 × 307 × 401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28930145
Product of the distinct prime numbers

The prime factorization of 28930145 is 5 × 47 × 307 × 401. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 51, 10, 593, 364, 6566, 5615, 39430, 35001, 324600, 751965, 1734834, 5775456, 57430492, 49347351, 73603214, 239763120, 3108727340, 2167910176

Basic calculations (n = 28930145)

Multiplication

n×y
n×2 57860290
n×3 86790435
n×4 115720580
n×5 144650725

Division

n÷y
n÷2 14465072.5
n÷3 9643381.6666667
n÷3 7232536.25
n÷5 5786029

Exponentiation

ny
n2 836953289721025
n3 2.4213180029856E+22
n4 7.0049080917485E+29
n5 2.0265300680596E+37

Nth Root

y√n
2√n 5378.675022717
3√n 306.98479837866
4√n 73.339450657317
5√n 31.064911598205

Divisors of 28930145

1, 5, 47, 235, 307, 401, 1535, 2005, 14429, 18847, 72145, 94235, 123107, 615535, 5786029, 28930145

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 -28930144
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 28930145 can be divided by 16 positive divisors. The sum of these divisors (counting 28930145) is 1, the average is 0.0625.

Base conversion 28930145

Base System Value
2 Binary 1101110010111000001100001
3 Ternary 2000102210200212
4 Quaternary 1232113001201
5 Quinary 24401231040
6 Senary 2512023505
8 Octal 156270141
10 Decimal 28930145
12 Duodecimal 9831b95
16 Hexadecimal 1b97061
20 Vigesimal 90g575
36 Base36 h82n5

Cryptographic Hash Functions

md5 558718f2ba3753507750d50579f220df
sha1 05231fc5a416e14c1738741a2009123a1707e05b
sha256 297ce2ca2ca74d779945410685f7004443be13868735a152261915802f92bb2a
sha512 7bfd25e28ec425bfd49e15bacd7fcc500008fd6a95b89241eef799cf3d903b94f8648f7eae16f58b1df64212e2192f178bea9244ee391b3f7178709a7e674e77
ripemd-160 793ac972571b61f56db2fad16b2c26c8b7fdfc1d

28930145 as geometric shapes

Circle

Radius = n
Diameter 57860290
Circumference 181773461.99857
Area 2.6293663063854E+15

Sphere

Radius = n
Volume 1.0142393133579E+23
Surface area 1.0517465225542E+16
Circumference 181773461.99857

Square

Length = n
Perimeter 115720580
Area 836953289721025
Diagonal 40913403.42042

Cube

Length = n
Surface area 5021719738326150
Volume 2.4213180029856E+22
Space diagonal 50108481.010335

Equilateral Triangle

Length = n
Perimeter 86790435
Area 3.6241140533968E+14
Altitude 25054240.505167

Triangular Pyramid

Length = n
Surface area 3.6241140533968E+14
Volume 2.8535506322003E+21
Height 13637801.14014