28931948 (number)

28931948 is an even 8-digits composite number following 28931947 and preceding 28931949. In scientific notation, it is written as 2.8931948 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 13885200 positive integers (up to 28931948) that are relatively prime to 28931948.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931948 × 10^7
Engineering notation 2.8931948 × 10^6

Prime Factorization of 28931948

Prime Factorization 2 × 2 × 59 × 43 × 2851

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14465974
Product of the distinct prime numbers

The prime factorization of 28931948 is 2 × 2 × 59 × 43 × 2851. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 87, 63, 875, 381, 9615, 8047, 832, 756, 172931, 22206, 4186758, 9851733, 2956068, 71538996, 11213037, 830701705, 945106266, 9367067630

Basic calculations (n = 28931948)

Multiplication

n×y
n×2 57863896
n×3 86795844
n×4 115727792
n×5 144659740

Division

n÷y
n÷2 14465974
n÷3 9643982.6666667
n÷3 7232987
n÷5 5786389.6

Exponentiation

ny
n2 837057615074704
n3 2.4217707392345E+22
n4 7.0066545095455E+29
n5 2.0271616392414E+37

Nth Root

y√n
2√n 5378.8426264393
3√n 306.99117560322
4√n 73.340593305749
5√n 31.065298797366

Divisors of 28931948

1, 2, 4, 43, 59, 86, 118, 172, 236, 2537, 2851, 5074, 5702, 10148, 11404, 122593, 168209, 245186, 336418, 490372, 672836, 7232987, 14465974, 28931948

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 -28931947
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 28931948 can be divided by 24 positive divisors. The sum of these divisors (counting 28931948) is 1, the average is 0.041666666666667.

Base conversion 28931948

Base System Value
2 Binary 1101110010111011101101100
3 Ternary 2000102220011122
4 Quaternary 1232113131230
5 Quinary 24401310243
6 Senary 2512040112
8 Octal 156273554
10 Decimal 28931948
12 Duodecimal 9833038
16 Hexadecimal 1b9776c
20 Vigesimal 90g9h8
36 Base36 h8418

Cryptographic Hash Functions

md5 3f69ee84716bc61f1c30122b111211e3
sha1 e02e78a813ce8dcaea8bb2ae8543ee491844d927
sha256 854db1efe05fcf40b6a704995648d00c3c137d3324f3c2480c1daf48eb970238
sha512 c1344165849396057f3f22cd6c1a7587a377edb95b1ee47744c73431fcec124a550abe632d3cdf434333a1b13dd24b42df29e182c42c9537d718cbbe85eb7b17
ripemd-160 a12eea1ca38f0fb89251d1354a291f1f0517b2a1

28931948 as geometric shapes

Circle

Radius = n
Diameter 57863896
Circumference 181784790.58168
Area 2.6296940541501E+15

Sphere

Radius = n
Volume 1.0144289550744E+23
Surface area 1.05187762166E+16
Circumference 181784790.58168

Square

Length = n
Perimeter 115727792
Area 837057615074704
Diagonal 40915953.247473

Cube

Length = n
Surface area 5022345690448224
Volume 2.4217707392345E+22
Space diagonal 50111603.897941

Equilateral Triangle

Length = n
Perimeter 86795844
Area 3.6245657954295E+14
Altitude 25055801.94897

Triangular Pyramid

Length = n
Surface area 3.6245657954295E+14
Volume 2.8540841869865E+21
Height 13638651.082491