31820642 (number)

31820642 is an even 8-digits composite number following 31820641 and preceding 31820643. In scientific notation, it is written as 3.1820642 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 13637412 positive integers (up to 31820642) that are relatively prime to 31820642.

Interesting facts

Basic properties

Name

Name thirty-one million eight hundred twenty thousand six hundred forty-two

Notation

Scientific notation 3.1820642 × 10^7
Engineering notation 3.1820642 × 10^6

Prime Factorization of 31820642

Prime Factorization 2 × 7 × 2272903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31820642
Product of the distinct prime numbers

The prime factorization of 31820642 is 2 × 7 × 2272903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31820642)

Multiplication

n×y
n×2 63641284
n×3 95461926
n×4 127282568
n×5 159103210

Division

n÷y
n÷2 15910321
n÷3 10606880.666667
n÷3 7955160.5
n÷5 6364128.4

Exponentiation

ny
n2 1012553257292164
n3 3.2220094706228E+22
n4 1.025264098853E+30
n5 3.2624561845053E+37

Nth Root

y√n
2√n 5640.978815773
3√n 316.8859464906
4√n 75.10644989462
5√n 31.662251007214

Divisors of 31820642

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 -31820641
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 31820642 can be divided by 8 positive divisors. The sum of these divisors (counting 31820642) is 1, the average is 0.125.

Base conversion 31820642

Base System Value
2 Binary 1111001011000101101100010
3 Ternary 2012212122201022
4 Quaternary 1321120231202
5 Quinary 31121230032
6 Senary 3054005442
8 Octal 171305542
10 Decimal 31820642
12 Duodecimal a7a6882
16 Hexadecimal 1e58b62
20 Vigesimal 9ihbc2
36 Base36 iy0yq

Cryptographic Hash Functions

md5 c5714234aae9cd3285b04139255424b6
sha1 4f889c6331ad2c7f691ad1a8cafbda7736961632
sha256 0f17e1005f2b2c91ba2b461f07e13ea0d09f9dd97b546d780d062752cf5dde60
sha512 1b5f91c4097217849e06742da046622753e427e8b8ebb09b35f2887921d8af7b0020527d0066ea3c2db0429b85fb220135ad5c493d5ffa5c9d32c56ebe5195bb
ripemd-160 fa1a1f50dee35d1fb5243170b5f8c94889e4343a

31820642 as geometric shapes

Circle

Radius = n
Diameter 63641284
Circumference 199934990.27942
Area 3.1810298744775E+15

Sphere

Radius = n
Volume 1.3496321710274E+23
Surface area 1.272411949791E+16
Circumference 199934990.27942

Square

Length = n
Perimeter 127282568
Area 1012553257292164
Diagonal 45001183.479819

Cube

Length = n
Surface area 6075319543752984
Volume 3.2220094706228E+22
Space diagonal 55114968.67346

Equilateral Triangle

Length = n
Perimeter 95461926
Area 4.3844842174985E+14
Altitude 27557484.33673

Triangular Pyramid

Length = n
Surface area 4.3844842174985E+14
Volume 3.7971745762077E+21
Height 15000394.493273