31986688 (number)

31986688 is an even 8-digits composite number following 31986687 and preceding 31986689. In scientific notation, it is written as 3.1986688 × 10^7. The sum of its digits is 49. It has a total of 11 prime factors and 22 positive divisors. There are 15992832 positive integers (up to 31986688) that are relatively prime to 31986688.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred eighty-six thousand six hundred eighty-eight

Notation

Scientific notation 3.1986688 × 10^7
Engineering notation 3.1986688 × 10^6

Prime Factorization of 31986688

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 31237

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 62474
Product of the distinct prime numbers

The prime factorization of 31986688 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 31237. Since it has a total of 11 prime factors.

Most popular turbo-numbers

5, 2, 62, 42, 440, 753, 9511, 8772, 26491, 90964, 614955, 123666, 3627990, 5529958, 65332428, 70526193, 49151034, 236289376, 1405665560, 1992929198

Basic calculations (n = 31986688)

Multiplication

n×y
n×2 63973376
n×3 95960064
n×4 127946752
n×5 159933440

Division

n÷y
n÷2 15993344
n÷3 10662229.333333
n÷3 7996672
n÷5 6397337.6

Exponentiation

ny
n2 1023148209209344
n3 3.2727122545738E+22
n4 1.0468322580083E+30
n5 3.3484696825247E+37

Nth Root

y√n
2√n 5655.677501414
3√n 317.43618036507
4√n 75.204238586758
5√n 31.695226148

Divisors of 31986688

1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 31237, 62474, 124948, 249896, 499792, 999584, 1999168, 3998336, 7996672, 15993344, 31986688

22 divisors

τ Total Divisors 22
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31986687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.045454545454545
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 22
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31986688 can be divided by 22 positive divisors. The sum of these divisors (counting 31986688) is 1, the average is 0.045454545454545.

Base conversion 31986688

Base System Value
2 Binary 1111010000001010000000000
3 Ternary 2020012002111011
4 Quaternary 1322001100000
5 Quinary 31142033223
6 Senary 3101330304
8 Octal 172012000
10 Decimal 31986688
12 Duodecimal a866994
16 Hexadecimal 1e81400
20 Vigesimal 9ji6e8
36 Base36 j1l34

Cryptographic Hash Functions

md5 ade0ef8d26e9c7669c23fc6a67bcbaaa
sha1 39487a7390177105f0ea62fe33ceaa5157c5c56b
sha256 f6d37320f214251a8162459285c29c18c9b46208ead9b1263f139e150ab7b763
sha512 474ce5677fb7f7e1e18a79e71c3b178c43576feaa67f90fc6e975edd8dc7fdad00150d44e4054b349365ab6f76298d9a515260977bb2a27aded45d31bf90fc46
ripemd-160 c4fc47efad01a4490b4d2319c7a655e441382680

31986688 as geometric shapes

Circle

Radius = n
Diameter 63973376
Circumference 200978288.06694
Area 3.2143148975856E+15

Sphere

Radius = n
Volume 1.3708705035043E+23
Surface area 1.2857259590343E+16
Circumference 200978288.06694

Square

Length = n
Perimeter 127946752
Area 1023148209209344
Diagonal 45236007.984997

Cube

Length = n
Surface area 6138889255256064
Volume 3.2727122545738E+22
Space diagonal 55402568.781854

Equilateral Triangle

Length = n
Perimeter 95960064
Area 4.4303617050592E+14
Altitude 27701284.390927

Triangular Pyramid

Length = n
Surface area 4.4303617050592E+14
Volume 3.8569283801357E+21
Height 15078669.328332