28931415 (number)

28931415 is an odd 8-digits composite number following 28931414 and preceding 28931416. In scientific notation, it is written as 2.8931415 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 14897792 positive integers (up to 28931415) that are relatively prime to 28931415.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931415 × 10^7
Engineering notation 2.8931415 × 10^6

Prime Factorization of 28931415

Prime Factorization 3 × 5 × 29 × 66509

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931415
Product of the distinct prime numbers

The prime factorization of 28931415 is 3 × 5 × 29 × 66509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 55, 49, 40, 241, 481, 7848, 77206, 44335, 366676, 20987, 7225463, 3492002, 91549268, 97004771, 144866500, 538207814, 7977040124, 4636360969

Basic calculations (n = 28931415)

Multiplication

n×y
n×2 57862830
n×3 86794245
n×4 115725660
n×5 144657075

Division

n÷y
n÷2 14465707.5
n÷3 9643805
n÷3 7232853.75
n÷5 5786283

Exponentiation

ny
n2 837026773902225
n3 2.4216368961876E+22
n4 7.0061382022917E+29
n5 2.0269749187785E+37

Nth Root

y√n
2√n 5378.7930802365
3√n 306.98929040579
4√n 73.340255523392
5√n 31.065184336174

Divisors of 28931415

1, 3, 5, 15, 29, 87, 145, 435, 66509, 199527, 332545, 997635, 1928761, 5786283, 9643805, 28931415

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931414
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931415 can be divided by 16 positive divisors. The sum of these divisors (counting 28931415) is 1, the average is 0.0625.

Base conversion 28931415

Base System Value
2 Binary 1101110010111010101010111
3 Ternary 2000102212102220
4 Quaternary 1232113111113
5 Quinary 24401301130
6 Senary 2512033423
8 Octal 156272527
10 Decimal 28931415
12 Duodecimal 9832873
16 Hexadecimal 1b97557
20 Vigesimal 90g8af
36 Base36 h83mf

Cryptographic Hash Functions

md5 6030d5ab633b1cbee7ce4e4a408e3f93
sha1 cfe2a1b289dc4ec773127c939fe52d04a3dbca9b
sha256 2c8914a8dc470d7c939f5bb1580470582bc5c59ebe095dd0f5978bd8bdb3d596
sha512 9263ceb2d0f71593a2601b84dfe1401dfd80f47f06465b7ec5cb9ac95e161b66c58ecc19ac094d94b0eb44d04cb8c496bd9c4f9e884f427246f065f36766b7dc
ripemd-160 23ed8d20943f27d436a4b07cea2c17a6318e1d59

28931415 as geometric shapes

Circle

Radius = n
Diameter 57862830
Circumference 181781441.64392
Area 2.6295971637492E+15

Sphere

Radius = n
Volume 1.01437289103E+23
Surface area 1.0518388654997E+16
Circumference 181781441.64392

Square

Length = n
Perimeter 115725660
Area 837026773902225
Diagonal 40915199.471644

Cube

Length = n
Surface area 5022160643413350
Volume 2.4216368961876E+22
Space diagonal 50110680.71486

Equilateral Triangle

Length = n
Perimeter 86794245
Area 3.6244322492353E+14
Altitude 25055340.35743

Triangular Pyramid

Length = n
Surface area 3.6244322492353E+14
Volume 2.853926451443E+21
Height 13638399.823881