28991625 (number)

28991625 is an odd 8-digits composite number following 28991624 and preceding 28991626. In scientific notation, it is written as 2.8991625 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 13478400 positive integers (up to 28991625) that are relatively prime to 28991625.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand six hundred twenty-five

Notation

Scientific notation 2.8991625 × 10^7
Engineering notation 2.8991625 × 10^6

Prime Factorization of 28991625

Prime Factorization 741 × 25 × 5 × 313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28991625
Product of the distinct prime numbers

The prime factorization of 28991625 is 741 × 25 × 5 × 313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 86, 7, 173, 347, 8045, 3806, 67171, 69095, 232470, 388371, 6051675, 7721314, 49246304, 27233612, 402176156, 74848557, 4510847110, 8938670856

Basic calculations (n = 28991625)

Multiplication

n×y
n×2 57983250
n×3 86974875
n×4 115966500
n×5 144958125

Division

n÷y
n÷2 14495812.5
n÷3 9663875
n÷3 7247906.25
n÷5 5798325

Exponentiation

ny
n2 840514320140625
n3 2.4367875976647E+22
n4 7.0646432236146E+29
n5 2.0481548709782E+37

Nth Root

y√n
2√n 5384.3871517565
3√n 307.20210425737
4√n 73.378383409261
5√n 31.078103715638

Divisors of 28991625

1, 5, 25, 125, 313, 741, 1565, 3705, 7825, 18525, 39125, 92625, 231933, 1159665, 5798325, 28991625

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 -28991624
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 28991625 can be divided by 16 positive divisors. The sum of these divisors (counting 28991625) is 1, the average is 0.0625.

Base conversion 28991625

Base System Value
2 Binary 1101110100110000010001001
3 Ternary 2000112221000220
4 Quaternary 1232212002021
5 Quinary 24410213000
6 Senary 2513220253
8 Octal 156460211
10 Decimal 28991625
12 Duodecimal 9861689
16 Hexadecimal 1ba6089
20 Vigesimal 913j15
36 Base36 h9e2x

Cryptographic Hash Functions

md5 9abdfc70f247bcd9e1cc94cb87ae1da4
sha1 a8682f5897bcd56e86cca9cf36b90a08e550aeb8
sha256 6edac76acf340cc445bf21e57a4bb2a2525d69ce44c9b6806f16667cc45e6e8f
sha512 e568924e66561212d85b547d80dbad294f87cb93b16b582c04c8e8a752b523f9a84e36ac06c094d280fd07dcc66237418b0e1d660804d45b3330da11f4ef3288
ripemd-160 98bcf9a385c84d8697ebe7c3503e52e7e3e27aec

28991625 as geometric shapes

Circle

Radius = n
Diameter 57983250
Circumference 182159752.23126
Area 2.6405536133908E+15

Sphere

Radius = n
Volume 1.0207192020243E+23
Surface area 1.0562214453563E+16
Circumference 182159752.23126

Square

Length = n
Perimeter 115966500
Area 840514320140625
Diagonal 41000349.270235

Cube

Length = n
Surface area 5043085920843750
Volume 2.4367875976647E+22
Space diagonal 50214967.493984

Equilateral Triangle

Length = n
Perimeter 86974875
Area 3.6395337674319E+14
Altitude 25107483.746992

Triangular Pyramid

Length = n
Surface area 3.6395337674319E+14
Volume 2.8717817243666E+21
Height 13666783.090078