28372945 (number)

28372945 is an odd 8-digits composite number following 28372944 and preceding 28372946. In scientific notation, it is written as 2.8372945 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 22698352 positive integers (up to 28372945) that are relatively prime to 28372945.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred seventy-two thousand nine hundred forty-five

Notation

Scientific notation 2.8372945 × 10^7
Engineering notation 2.8372945 × 10^6

Prime Factorization of 28372945

Prime Factorization 5 × 5674589

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28372945
Product of the distinct prime numbers

The prime factorization of 28372945 is 5 × 5674589. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28372945)

Multiplication

n×y
n×2 56745890
n×3 85118835
n×4 113491780
n×5 141864725

Division

n÷y
n÷2 14186472.5
n÷3 9457648.3333333
n÷3 7093236.25
n÷5 5674589

Exponentiation

ny
n2 805024007973025
n3 2.2840901901898E+22
n4 6.4806365341295E+29
n5 1.8387474394785E+37

Nth Root

y√n
2√n 5326.6260428155
3√n 305.00114664086
4√n 72.983738208011
5√n 30.944315703941

Divisors of 28372945

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28372944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28372945 can be divided by 4 positive divisors. The sum of these divisors (counting 28372945) is 1, the average is 0.25.

Base conversion 28372945

Base System Value
2 Binary 1101100001110111111010001
3 Ternary 1222101111100211
4 Quaternary 1230032333101
5 Quinary 24230413240
6 Senary 2452044121
8 Octal 154167721
10 Decimal 28372945
12 Duodecimal 9603641
16 Hexadecimal 1b0efd1
20 Vigesimal 8h6c75
36 Base36 gw4pd

Cryptographic Hash Functions

md5 b044f01a37a096a9dde6c8849301dcae
sha1 45a421cf8823e859e14d78cac42335b183e45078
sha256 e9d3bfe3bfbd6b7eec3d45262eb57de60a3709ad3c8ec3bee459f51b95c5d2a5
sha512 66dc3975d5522ad072ada32c8ecee7dec80a1d6219857c75b4b7d15a3d377b74074b06cc3030f5a49bc395efa5c42297d895102744d322f89601dd4c1270569a
ripemd-160 b2a0b064d03ce875c21425316d19a033f7846854

28372945 as geometric shapes

Circle

Radius = n
Diameter 56745890
Circumference 178272471.14541
Area 2.5290575094115E+15

Sphere

Radius = n
Volume 9.5675746155158E+22
Surface area 1.0116230037646E+16
Circumference 178272471.14541

Square

Length = n
Perimeter 113491780
Area 805024007973025
Diagonal 40125403.623466

Cube

Length = n
Surface area 4830144047838150
Volume 2.2840901901898E+22
Space diagonal 49143382.300357

Equilateral Triangle

Length = n
Perimeter 85118835
Area 3.485856207805E+14
Altitude 24571691.150179

Triangular Pyramid

Length = n
Surface area 3.485856207805E+14
Volume 2.6918261038748E+21
Height 13375134.541155