31687130 (number)

31687130 is an even 8-digits composite number following 31687129 and preceding 31687131. In scientific notation, it is written as 3.1687130 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 12160512 positive integers (up to 31687130) that are relatively prime to 31687130.

Interesting facts

Basic properties

Name

Name thirty-one million six hundred eighty-seven thousand one hundred thirty

Notation

Scientific notation 3.1687130 × 10^7
Engineering notation 3.1687130 × 10^6

Prime Factorization of 31687130

Prime Factorization 2 × 59 × 5 × 43 × 1249

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 31687130
Product of the distinct prime numbers

The prime factorization of 31687130 is 2 × 59 × 5 × 43 × 1249. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31687130)

Multiplication

n×y
n×2 63374260
n×3 95061390
n×4 126748520
n×5 158435650

Division

n÷y
n÷2 15843565
n÷3 10562376.666667
n÷3 7921782.5
n÷5 6337426

Exponentiation

ny
n2 1004074207636900
n3 3.1816229947037E+22
n4 1.0081650144417E+30
n5 3.1945855874065E+37

Nth Root

y√n
2√n 5629.1322599491
3√n 316.44213199629
4√n 75.02754334209
5√n 31.635636817218

Divisors of 31687130

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31687129
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31687130 can be divided by 32 positive divisors. The sum of these divisors (counting 31687130) is 1, the average is 0.03125.

Base conversion 31687130

Base System Value
2 Binary 1111000111000000111011010
3 Ternary 2012121212120102
4 Quaternary 1320320013122
5 Quinary 31102442010
6 Senary 3051055402
8 Octal 170700732
10 Decimal 31687130
12 Duodecimal a741562
16 Hexadecimal 1e381da
20 Vigesimal 9i0hga
36 Base36 iv5y2

Cryptographic Hash Functions

md5 90042249b75de1bd9c731ee584a9a7a5
sha1 40f462d71c6d00f6503b8187a27973dd58131ec0
sha256 63c6a55fb0d694f42c55ed91bcaa0ca0f942bbf80aba7a7e381c8fbae3b21be3
sha512 0f48e679e311127f4a24288a092c60520f4eacf34d1ede3665a34b8620b5f87c95da0e2233c8fefc06855b9a545af8ca75ffc22a9f67c9d20be3be0adc7f4ffe
ripemd-160 9d61c5fdb9766d094ff9c744b9abf163aa2d0b61

31687130 as geometric shapes

Circle

Radius = n
Diameter 63374260
Circumference 199096109.64269
Area 3.1543921543711E+15

Sphere

Radius = n
Volume 1.3327151235538E+23
Surface area 1.2617568617484E+16
Circumference 199096109.64269

Square

Length = n
Perimeter 126748520
Area 1004074207636900
Diagonal 44812368.998679

Cube

Length = n
Surface area 6024445245821400
Volume 3.1816229947037E+22
Space diagonal 54883719.10604

Equilateral Triangle

Length = n
Perimeter 95061390
Area 4.3477688554914E+14
Altitude 27441859.55302

Triangular Pyramid

Length = n
Surface area 4.3477688554914E+14
Volume 3.7495786578901E+21
Height 14937456.332893