31557 (number)

31557 is an odd 5-digits composite number following 31556 and preceding 31558. In scientific notation, it is written as 3.1557 × 10^4. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 20592 positive integers (up to 31557) that are relatively prime to 31557.

Interesting facts

Basic properties

Name

Name thirty-one thousand five hundred fifty-seven

Notation

Scientific notation 3.1557 × 10^4
Engineering notation 3.1557 × 10^3

Prime Factorization of 31557

Prime Factorization 3 × 67 × 157

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31557
Product of the distinct prime numbers

The prime factorization of 31557 is 3 × 67 × 157. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31557)

Multiplication

n×y
n×2 63114
n×3 94671
n×4 126228
n×5 157785

Division

n÷y
n÷2 15778.5
n÷3 10519
n÷3 7889.25
n÷5 6311.4

Exponentiation

ny
n2 995844249
n3 31425856965693
n4 991705768266374001
n5 3.1295258929182E+22

Nth Root

y√n
2√n 177.64290022402
3√n 31.600835848211
4√n 13.328274465362
5√n 7.9399751273731

Divisors of 31557

1, 3, 67, 157, 201, 471, 10519, 31557

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 -31556
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 31557 can be divided by 8 positive divisors. The sum of these divisors (counting 31557) is 1, the average is 0.125.

Base conversion 31557

Base System Value
2 Binary 111101101000101
3 Ternary 1121021210
4 Quaternary 13231011
5 Quinary 2002212
6 Senary 402033
8 Octal 75505
10 Decimal 31557
12 Duodecimal 16319
16 Hexadecimal 7b45
20 Vigesimal 3ihh
36 Base36 ocl

Cryptographic Hash Functions

md5 cdabdc0e9e63c54d02eec86ba6acacd4
sha1 f13da3a42dba311ddb4d27ac33ef9dad6a1f2836
sha256 8b8d6f5da94b601f164f3ebf1cab91a0d78169b46367c9f6dc589603fbd06b47
sha512 5915b42c3b4ed1b4d295531b93645d5ae07ae77d99327df9b6f6b5c4360e174e72a85c9aae0f5795330ffb7bf2b2204b33cfa5e3006ff03a1ad382e0f97bebb6
ripemd-160 bc50c625151e5320bb5acefe0b4e71c5be554132

31557 as geometric shapes

Circle

Radius = n
Diameter 63114
Circumference 198278.47873867
Area 3128536976.778

Sphere

Radius = n
Volume 1.3163632183491E+14
Surface area 12514147907.112
Circumference 198278.47873867

Square

Length = n
Perimeter 126228
Area 995844249
Diagonal 44628.337387808

Cube

Length = n
Surface area 5975065494
Volume 31425856965693
Space diagonal 54658.327334451

Equilateral Triangle

Length = n
Perimeter 94671
Area 431213208.92332
Altitude 27329.163667226

Triangular Pyramid

Length = n
Surface area 431213208.92332
Volume 3703572760840
Height 14876.112462603