28943940 (number)

28943940 is an even 8-digits composite number following 28943939 and preceding 28943941. In scientific notation, it is written as 2.8943940 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 7718368 positive integers (up to 28943940) that are relatively prime to 28943940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8943940 × 10^7
Engineering notation 2.8943940 × 10^6

Prime Factorization of 28943940

Prime Factorization 2 × 2 × 3 × 5 × 482399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14471970
Product of the distinct prime numbers

The prime factorization of 28943940 is 2 × 2 × 3 × 5 × 482399. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 37, 9, 577, 134, 3414, 9781, 38203, 40751, 333578, 585078, 97191, 5107966, 26727612, 64344658, 812903557, 172619587, 4122361219, 6917886989

Basic calculations (n = 28943940)

Multiplication

n×y
n×2 57887880
n×3 86831820
n×4 115775760
n×5 144719700

Division

n÷y
n÷2 14471970
n÷3 9647980
n÷3 7235985
n÷5 5788788

Exponentiation

ny
n2 837751662723600
n3 2.4247833860772E+22
n4 7.0182784839616E+29
n5 2.0313663134307E+37

Nth Root

y√n
2√n 5379.9572489008
3√n 307.03358465745
4√n 73.348191858428
5√n 31.067873620974

Divisors of 28943940

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 482399, 964798, 1447197, 1929596, 2411995, 2894394, 4823990, 5788788, 7235985, 9647980, 14471970, 28943940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28943939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28943940 can be divided by 24 positive divisors. The sum of these divisors (counting 28943940) is 1, the average is 0.041666666666667.

Base conversion 28943940

Base System Value
2 Binary 1101110011010011001000100
3 Ternary 2000110111121210
4 Quaternary 1232122121010
5 Quinary 24402201230
6 Senary 2512211420
8 Octal 156323104
10 Decimal 28943940
12 Duodecimal 9839b70
16 Hexadecimal 1b9a644
20 Vigesimal 90hjh0
36 Base36 h8dac

Cryptographic Hash Functions

md5 236f362f921951d85ae8cb6b10e9d59c
sha1 5fdd855ba19605c25757a259303b3ba578520b60
sha256 263be9a9f840920412f1453c504958c8a130dde217b49770519568307feea986
sha512 3ca81323aaaca3fc4a7044d102f28ee575287d4d8527a91ab5b2599dde4b5667b47030524e8574e239fd0f71348dbe565ec8714655ec9d0787050344cdd538cd
ripemd-160 977a4848bcdb1ac5b0f0a4be6cf0da40cab98873

28943940 as geometric shapes

Circle

Radius = n
Diameter 57887880
Circumference 181860138.53989
Area 2.6318744691451E+15

Sphere

Radius = n
Volume 1.0156908896329E+23
Surface area 1.052749787658E+16
Circumference 181860138.53989

Square

Length = n
Perimeter 115775760
Area 837751662723600
Diagonal 40932912.496513

Cube

Length = n
Surface area 5026509976341600
Volume 2.4247833860772E+22
Space diagonal 50132374.651225

Equilateral Triangle

Length = n
Perimeter 86831820
Area 3.6275711099065E+14
Altitude 25066187.325613

Triangular Pyramid

Length = n
Surface area 3.6275711099065E+14
Volume 2.8576346253395E+21
Height 13644304.165504