28918087 (number)

28918087 is an odd 8-digits composite number following 28918086 and preceding 28918088. In scientific notation, it is written as 2.8918087 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 25452000 positive integers (up to 28918087) that are relatively prime to 28918087.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eighteen thousand eighty-seven

Notation

Scientific notation 2.8918087 × 10^7
Engineering notation 2.8918087 × 10^6

Prime Factorization of 28918087

Prime Factorization 11 × 4331 × 607

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28918087
Product of the distinct prime numbers

The prime factorization of 28918087 is 11 × 4331 × 607. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28918087)

Multiplication

n×y
n×2 57836174
n×3 86754261
n×4 115672348
n×5 144590435

Division

n÷y
n÷2 14459043.5
n÷3 9639362.3333333
n÷3 7229521.75
n÷5 5783617.4

Exponentiation

ny
n2 836255755739569
n3 2.4182916698728E+22
n4 6.9932368900756E+29
n5 2.0223103279881E+37

Nth Root

y√n
2√n 5377.5539978693
3√n 306.94214232914
4√n 73.331807545357
5√n 31.062321613472

Divisors of 28918087

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 -28918086
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 28918087 can be divided by 8 positive divisors. The sum of these divisors (counting 28918087) is 1, the average is 0.125.

Base conversion 28918087

Base System Value
2 Binary 1101110010100000101000111
3 Ternary 2000102012011021
4 Quaternary 1232110011013
5 Quinary 24400334322
6 Senary 2511452011
8 Octal 156240507
10 Decimal 28918087
12 Duodecimal 9827007
16 Hexadecimal 1b94147
20 Vigesimal 90ef47
36 Base36 h7tc7

Cryptographic Hash Functions

md5 c77046edd3fb6fe4d03282ae12526727
sha1 4d5d5f18fa4cebaa29d1f2f93a47c74906b48514
sha256 7e3ce49dd8b3a6729651f15a9a151183ffba8b6dc47aa6fd9e8f3ab10cd1c420
sha512 84d1a92245b39e660e9b9d47c31eff82a5165607b6ea5e0a8618aac929f6d8aabc36cba13ea4209a292cc9e7856b0226282e8dabacfab825d7af435c6a7bf5e8
ripemd-160 c4d0547b4921bd7fe34b4c8e1e0de4af45b96b46

28918087 as geometric shapes

Circle

Radius = n
Diameter 57836174
Circumference 181697699.35014
Area 2.6271749387536E+15

Sphere

Radius = n
Volume 1.012971645908E+23
Surface area 1.0508699755014E+16
Circumference 181697699.35014

Square

Length = n
Perimeter 115672348
Area 836255755739569
Diagonal 40896350.833285

Cube

Length = n
Surface area 5017534534437414
Volume 2.4182916698728E+22
Space diagonal 50087595.941697

Equilateral Triangle

Length = n
Perimeter 86754261
Area 3.6210936426571E+14
Altitude 25043797.970849

Triangular Pyramid

Length = n
Surface area 3.6210936426571E+14
Volume 2.8499840644233E+21
Height 13632116.944428