31006881 (number)

31006881 is an odd 8-digits composite number following 31006880 and preceding 31006882. In scientific notation, it is written as 3.1006881 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 20671200 positive integers (up to 31006881) that are relatively prime to 31006881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1006881 × 10^7
Engineering notation 3.1006881 × 10^6

Prime Factorization of 31006881

Prime Factorization 27 × 3 × 382801

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31006881
Product of the distinct prime numbers

The prime factorization of 31006881 is 27 × 3 × 382801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31006881)

Multiplication

n×y
n×2 62013762
n×3 93020643
n×4 124027524
n×5 155034405

Division

n÷y
n÷2 15503440.5
n÷3 10335627
n÷3 7751720.25
n÷5 6201376.2

Exponentiation

ny
n2 961426669348161
n3 2.9810842326705E+22
n4 9.243412405339E+29
n5 2.8660938848627E+37

Nth Root

y√n
2√n 5568.3822605852
3√n 314.16130635863
4√n 74.621593795531
5√n 31.49862648128

Divisors of 31006881

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 -31006880
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 31006881 can be divided by 8 positive divisors. The sum of these divisors (counting 31006881) is 1, the average is 0.125.

Base conversion 31006881

Base System Value
2 Binary 1110110010010000010100001
3 Ternary 2011100022110000
4 Quaternary 1312102002201
5 Quinary 30414210011
6 Senary 3024330213
8 Octal 166220241
10 Decimal 31006881
12 Duodecimal a473969
16 Hexadecimal 1d920a1
20 Vigesimal 9dfh41
36 Base36 igl29

Cryptographic Hash Functions

md5 36b3701d88b143d090071fd3663c39e1
sha1 34c6acd77d825b806a0777cc46ca48586859423a
sha256 e528c86a48df496badfc02f9467900cc191da32aa8cc36b0f87a7c091e939293
sha512 a8aab0576ccae8f21583ba4ffc6a52420c386c5137d248900d4dc23b440957c967c3483c0cec6be2bab73efa7dc129eca737ddc5f23dc3acab85df995fcfc558
ripemd-160 923c86ee0e8abb117edda22f6f4ceafccfb4e5c2

31006881 as geometric shapes

Circle

Radius = n
Diameter 62013762
Circumference 194821979.12067
Area 3.0204109613895E+15

Sphere

Radius = n
Volume 1.2487136433453E+23
Surface area 1.2081643845558E+16
Circumference 194821979.12067

Square

Length = n
Perimeter 124027524
Area 961426669348161
Diagonal 43850351.637089

Cube

Length = n
Surface area 5768560016088966
Volume 2.9810842326705E+22
Space diagonal 53705493.276242

Equilateral Triangle

Length = n
Perimeter 93020643
Area 4.1630995976568E+14
Altitude 26852746.638121

Triangular Pyramid

Length = n
Surface area 4.1630995976568E+14
Volume 3.5132414603493E+21
Height 14616783.87903