28557688 (number)

28557688 is an even 8-digits composite number following 28557687 and preceding 28557689. In scientific notation, it is written as 2.8557688 × 10^7. The sum of its digits is 49. It has a total of 5 prime factors and 16 positive divisors. There are 13438848 positive integers (up to 28557688) that are relatively prime to 28557688.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred fifty-seven thousand six hundred eighty-eight

Notation

Scientific notation 2.8557688 × 10^7
Engineering notation 2.8557688 × 10^6

Prime Factorization of 28557688

Prime Factorization 2 × 2 × 2 × 17 × 209983

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7139422
Product of the distinct prime numbers

The prime factorization of 28557688 is 2 × 2 × 2 × 17 × 209983. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 63, 76, 191, 152, 3870, 8648, 7698, 68638, 504157, 735818, 6402648, 522030, 50669024, 41694856, 811679604, 525382262, 822999163, 2571274938

Basic calculations (n = 28557688)

Multiplication

n×y
n×2 57115376
n×3 85673064
n×4 114230752
n×5 142788440

Division

n÷y
n÷2 14278844
n÷3 9519229.3333333
n÷3 7139422
n÷5 5711537.6

Exponentiation

ny
n2 815541543905344
n3 2.3289980961887E+22
n4 6.6510800983551E+29
n5 1.8993947031183E+37

Nth Root

y√n
2√n 5343.9393709136
3√n 305.66169340988
4√n 73.102252844311
5√n 30.984508319715

Divisors of 28557688

1, 2, 4, 8, 17, 34, 68, 136, 209983, 419966, 839932, 1679864, 3569711, 7139422, 14278844, 28557688

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 -28557687
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 28557688 can be divided by 16 positive divisors. The sum of these divisors (counting 28557688) is 1, the average is 0.0625.

Base conversion 28557688

Base System Value
2 Binary 1101100111100000101111000
3 Ternary 1222201212210011
4 Quaternary 1230330011320
5 Quinary 24302321223
6 Senary 2500031304
8 Octal 154740570
10 Decimal 28557688
12 Duodecimal 9692534
16 Hexadecimal 1b3c178
20 Vigesimal 8i9e48
36 Base36 h0394

Cryptographic Hash Functions

md5 05371c8c43aa3910887068c5b3128d52
sha1 b64f8a9e5e2ac6b18682cacf345fffd77fb15476
sha256 a4c0074f7bb2eab3b73d1076c62be3745d99bb3eed36821db057a165866c787d
sha512 30c7227305fcc3756cd3c3a3c4a57464e51f65a60c6ce1f3f236dce036474ecc82b617675ad38eac32d5ca333e0f9b404fe01b22c5d67a0029907ea802176a77
ripemd-160 71beac4416ece6f19b10a077edf8ef7180fc4e4f

28557688 as geometric shapes

Circle

Radius = n
Diameter 57115376
Circumference 179433245.64862
Area 2.5620993230303E+15

Sphere

Radius = n
Volume 9.7556844122814E+22
Surface area 1.0248397292121E+16
Circumference 179433245.64862

Square

Length = n
Perimeter 114230752
Area 815541543905344
Diagonal 40386669.679619

Cube

Length = n
Surface area 4893249263432064
Volume 2.3289980961887E+22
Space diagonal 49463366.5627

Equilateral Triangle

Length = n
Perimeter 85673064
Area 3.5313984743180E+14
Altitude 24731683.28135

Triangular Pyramid

Length = n
Surface area 3.5313984743180E+14
Volume 2.7447505786427E+21
Height 13462223.22654