28711290 (number)

28711290 is an even 8-digits composite number following 28711289 and preceding 28711291. In scientific notation, it is written as 2.8711290 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 7656336 positive integers (up to 28711290) that are relatively prime to 28711290.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred eleven thousand two hundred ninety

Notation

Scientific notation 2.8711290 × 10^7
Engineering notation 2.8711290 × 10^6

Prime Factorization of 28711290

Prime Factorization 2 × 15 × 957043

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28711290
Product of the distinct prime numbers

The prime factorization of 28711290 is 2 × 15 × 957043. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28711290)

Multiplication

n×y
n×2 57422580
n×3 86133870
n×4 114845160
n×5 143556450

Division

n÷y
n÷2 14355645
n÷3 9570430
n÷3 7177822.5
n÷5 5742258

Exponentiation

ny
n2 824338173464100
n3 2.3667812356398E+22
n4 6.7953342423013E+29
n5 1.9510281207764E+37

Nth Root

y√n
2√n 5358.2917053852
3√n 306.20873024333
4√n 73.200353178009
5√n 31.01776784653

Divisors of 28711290

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28711289
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28711290 can be divided by 8 positive divisors. The sum of these divisors (counting 28711290) is 1, the average is 0.125.

Base conversion 28711290

Base System Value
2 Binary 1101101100001100101111010
3 Ternary 2000000200111010
4 Quaternary 1231201211322
5 Quinary 24322230130
6 Senary 2503214350
8 Octal 155414572
10 Decimal 28711290
12 Duodecimal 97473b6
16 Hexadecimal 1b6197a
20 Vigesimal 8j8i4a
36 Base36 h3dru

Cryptographic Hash Functions

md5 a7a9f05014a1a17df030f5f9b1797124
sha1 8d441e62ca7dc3f6b49647cbbfb67a57ab077e30
sha256 dd2e85bb59ad65b1ef69fa4e509068950512904bf8709ae48115229f3a7e0512
sha512 382fe318b4fcdb83389db57a85607818941cd7c45029458b3800f556cd60ac2373c2a07c7a3330e3e01aa3e1308233616c589d7459cbaad0e0ccb495fa557741
ripemd-160 094901904182a44c723a6c5558d077899f00621a

28711290 as geometric shapes

Circle

Radius = n
Diameter 57422580
Circumference 180398355.47817
Area 2.5897347498284E+15

Sphere

Radius = n
Volume 9.9139500567203E+22
Surface area 1.0358938999314E+16
Circumference 180398355.47817

Square

Length = n
Perimeter 114845160
Area 824338173464100
Diagonal 40603895.711227

Cube

Length = n
Surface area 4946029040784600
Volume 2.3667812356398E+22
Space diagonal 49729413.030844

Equilateral Triangle

Length = n
Perimeter 86133870
Area 3.5694889976459E+14
Altitude 24864706.515422

Triangular Pyramid

Length = n
Surface area 3.5694889976459E+14
Volume 2.78927843551E+21
Height 13534631.903742