28931460 (number)

28931460 is an even 8-digits composite number following 28931459 and preceding 28931461. In scientific notation, it is written as 2.8931460 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 7657344 positive integers (up to 28931460) that are relatively prime to 28931460.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand four hundred sixty

Notation

Scientific notation 2.8931460 × 10^7
Engineering notation 2.8931460 × 10^6

Prime Factorization of 28931460

Prime Factorization 2 × 2 × 15 × 139 × 3469

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14465730
Product of the distinct prime numbers

The prime factorization of 28931460 is 2 × 2 × 15 × 139 × 3469. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 9, 71, 73, 168, 342, 7644, 4990, 10456, 99588, 557682, 265475, 8272298, 1427758, 3839393, 19894403, 404121348, 121346247, 1622685585, 2176471167

Basic calculations (n = 28931460)

Multiplication

n×y
n×2 57862920
n×3 86794380
n×4 115725840
n×5 144657300

Division

n÷y
n÷2 14465730
n÷3 9643820
n÷3 7232865
n÷5 5786292

Exponentiation

ny
n2 837029377731600
n3 2.4216481960667E+22
n4 7.0061817918575E+29
n5 2.0269906826385E+37

Nth Root

y√n
2√n 5378.7972633294
3√n 306.9894495697
4√n 73.340284041783
5√n 31.065193999942

Divisors of 28931460

1, 2, 4, 15, 30, 60, 139, 278, 556, 2085, 3469, 4170, 6938, 8340, 13876, 52035, 104070, 208140, 482191, 964382, 1928764, 7232865, 14465730, 28931460

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 -28931459
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 28931460 can be divided by 24 positive divisors. The sum of these divisors (counting 28931460) is 1, the average is 0.041666666666667.

Base conversion 28931460

Base System Value
2 Binary 1101110010111010110000100
3 Ternary 2000102212111120
4 Quaternary 1232113112010
5 Quinary 24401301320
6 Senary 2512033540
8 Octal 156272604
10 Decimal 28931460
12 Duodecimal 98328b0
16 Hexadecimal 1b97584
20 Vigesimal 90g8d0
36 Base36 h83no

Cryptographic Hash Functions

md5 febdaec9d4977fc82c31f82aaa4aa26c
sha1 7d0d59c1ee3206e9f2920c03b6ca3ade9f8f55af
sha256 7d99f23f457f19c3b4701fcd3899c4db4cdffde7854558d9ee7b07585000d3f0
sha512 a58efd1411f6846609bd2f8d8c406db56e2b6357df7571be371b65c61d8a259155c575a131784a704a13f17b8ddf1baabd95f8b6a4f50bd951115ab35f543e1f
ripemd-160 cd220c5393ddfb934fcc3fa98f76fe77adad17fe

28931460 as geometric shapes

Circle

Radius = n
Diameter 57862920
Circumference 181781724.38725
Area 2.6296053439204E+15

Sphere

Radius = n
Volume 1.0143776243123E+23
Surface area 1.0518421375682E+16
Circumference 181781724.38725

Square

Length = n
Perimeter 115725840
Area 837029377731600
Diagonal 40915263.111255

Cube

Length = n
Surface area 5022176266389600
Volume 2.4216481960667E+22
Space diagonal 50110758.657147

Equilateral Triangle

Length = n
Perimeter 86794380
Area 3.6244435241472E+14
Altitude 25055379.328573

Triangular Pyramid

Length = n
Surface area 3.6244435241472E+14
Volume 2.8539397684782E+21
Height 13638421.037085