28911040 (number)

28911040 is an even 8-digits composite number following 28911039 and preceding 28911041. In scientific notation, it is written as 2.8911040 × 10^7. The sum of its digits is 25. It has a total of 9 prime factors and 56 positive divisors. There are 11473920 positive integers (up to 28911040) that are relatively prime to 28911040.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eleven thousand forty

Notation

Scientific notation 2.8911040 × 10^7
Engineering notation 2.8911040 × 10^6

Prime Factorization of 28911040

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 167 × 541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 903470
Product of the distinct prime numbers

The prime factorization of 28911040 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 167 × 541. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28911040)

Multiplication

n×y
n×2 57822080
n×3 86733120
n×4 115644160
n×5 144555200

Division

n÷y
n÷2 14455520
n÷3 9637013.3333333
n÷3 7227760
n÷5 5782208

Exponentiation

ny
n2 835848233881600
n3 2.416524172368E+22
n4 6.9864227008299E+29
n5 2.019847461606E+37

Nth Root

y√n
2√n 5376.8987344007
3√n 306.91720756539
4√n 73.327339610821
5√n 31.060807560896

Divisors of 28911040

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28911039
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28911040 can be divided by 56 positive divisors. The sum of these divisors (counting 28911040) is 1, the average is 0.017857142857143.

Base conversion 28911040

Base System Value
2 Binary 1101110010010010111000000
3 Ternary 2000101211111021
4 Quaternary 1232102113000
5 Quinary 24400123130
6 Senary 2511355224
8 Octal 156222700
10 Decimal 28911040
12 Duodecimal 9822b14
16 Hexadecimal 1b925c0
20 Vigesimal 90dhc0
36 Base36 h7nwg

Cryptographic Hash Functions

md5 f551dba0bad08a93568d835a2499a7ed
sha1 9f05efdac6951679c2bb06bf7524d98fe7505a62
sha256 1ea6347027ab84f5de64d5f8fa72f84d3f829057a9feeeaa5592a780b25283d1
sha512 77e4585f5204cdaaa4ef287fa1bdbd8d23808621088943b830092ef744527341cd646a18ce9a9d72f41c390847fce03a349d9ef631c4e2723503d3e830ac8d67
ripemd-160 17e2412998174d6952259dccdeed9f6386b67f8f

28911040 as geometric shapes

Circle

Radius = n
Diameter 57822080
Circumference 181653421.74328
Area 2.6258946710784E+15

Sphere

Radius = n
Volume 1.0122312782845E+23
Surface area 1.0503578684314E+16
Circumference 181653421.74328

Square

Length = n
Perimeter 115644160
Area 835848233881600
Diagonal 40886384.870311

Cube

Length = n
Surface area 5015089403289600
Volume 2.416524172368E+22
Space diagonal 50075390.179656

Equilateral Triangle

Length = n
Perimeter 86733120
Area 3.6193290212491E+14
Altitude 25037695.089828

Triangular Pyramid

Length = n
Surface area 3.6193290212491E+14
Volume 2.8479010486377E+21
Height 13628794.95677