28997686 (number)

28997686 is an even 8-digits composite number following 28997685 and preceding 28997687. In scientific notation, it is written as 2.8997686 × 10^7. The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors. There are 13735404 positive integers (up to 28997686) that are relatively prime to 28997686.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-seven thousand six hundred eighty-six

Notation

Scientific notation 2.8997686 × 10^7
Engineering notation 2.8997686 × 10^6

Prime Factorization of 28997686

Prime Factorization 2 × 19 × 19 × 40163

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1526194
Product of the distinct prime numbers

The prime factorization of 28997686 is 2 × 19 × 19 × 40163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 6, 46, 138, 212, 5118, 7384, 7402, 52390, 587228, 295194, 361811, 5498178, 41014770, 53512663, 170170469, 412302878, 6125494245, 9024074819

Basic calculations (n = 28997686)

Multiplication

n×y
n×2 57995372
n×3 86993058
n×4 115990744
n×5 144988430

Division

n÷y
n÷2 14498843
n÷3 9665895.3333333
n÷3 7249421.5
n÷5 5799537.2

Exponentiation

ny
n2 840865793354596
n3 2.4383162243837E+22
n4 7.0705528243385E+29
n5 2.0502967064658E+37

Nth Root

y√n
2√n 5384.9499533422
3√n 307.22351069475
4√n 73.382218236724
5√n 31.079403046991

Divisors of 28997686

1, 2, 19, 38, 361, 722, 40163, 80326, 763097, 1526194, 14498843, 28997686

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28997685
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28997686 can be divided by 12 positive divisors. The sum of these divisors (counting 28997686) is 1, the average is 0.083333333333333.

Base conversion 28997686

Base System Value
2 Binary 1101110100111100000110110
3 Ternary 2000120020100101
4 Quaternary 1232213200312
5 Quinary 24410411221
6 Senary 2513304314
8 Octal 156474066
10 Decimal 28997686
12 Duodecimal 986509a
16 Hexadecimal 1ba7836
20 Vigesimal 914e46
36 Base36 h9ira

Cryptographic Hash Functions

md5 cae08b16a4b82d0c67219e5ed9f34c54
sha1 ba39593dc7e0b6d5140b4d1280a68014fd6858be
sha256 f568cdc3667e746000112a460abbb92bcb67579458cf0d2c92b6d5a8ac006eb8
sha512 db49b4a20827440c6f050965f0270c6fffd307fac993b7b9998195cf3cc0843350a2a2a8352a0f427d52cb745bbb7f2c135bee21b4fa8a2386db485a43f64b66
ripemd-160 fbb1a98e55d12754fc2bd7546551fbf4d5ce3cf1

28997686 as geometric shapes

Circle

Radius = n
Diameter 57995372
Circumference 182197834.61741
Area 2.6416577990578E+15

Sphere

Radius = n
Volume 1.021359511687E+23
Surface area 1.0566631196231E+16
Circumference 182197834.61741

Square

Length = n
Perimeter 115990744
Area 840865793354596
Diagonal 41008920.818636

Cube

Length = n
Surface area 5045194760127576
Volume 2.4383162243837E+22
Space diagonal 50225465.453929

Equilateral Triangle

Length = n
Perimeter 86993058
Area 3.6410556910922E+14
Altitude 25112732.726964

Triangular Pyramid

Length = n
Surface area 3.6410556910922E+14
Volume 2.8735832282315E+21
Height 13669640.272879