31988081 (number)

31988081 is an odd 8-digits prime number following 31988080 and preceding 31988082. In scientific notation, it is written as 3.1988081 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 31988080 positive integers (up to 31988081) that are relatively prime to 31988081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1988081 × 10^7
Engineering notation 3.1988081 × 10^6

Prime Factorization of 31988081

Prime Factorization 31988081

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 31988081
Product of the distinct prime numbers

The prime factorization of 31988081 is 31988081. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31988081)

Multiplication

n×y
n×2 63976162
n×3 95964243
n×4 127952324
n×5 159940405

Division

n÷y
n÷2 15994040.5
n÷3 10662693.666667
n÷3 7997020.25
n÷5 6397616.2

Exponentiation

ny
n2 1023237326062561
n3 3.2731398468313E+22
n4 1.0470146254477E+30
n5 3.3491988647004E+37

Nth Root

y√n
2√n 5655.8006506595
3√n 317.44078834637
4√n 75.205057347624
5√n 31.695502204595

Divisors of 31988081

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 31988082
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 15994041
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5655.8007390643
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999374767
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31988081 can be divided by 2 positive divisors. The sum of these divisors (counting 31988081) is 31988082, the average is 15994041.

Base conversion 31988081

Base System Value
2 Binary 1111010000001100101110001
3 Ternary 2020012011101202
4 Quaternary 1322001211301
5 Quinary 31142104311
6 Senary 3101340545
8 Octal 172014561
10 Decimal 31988081
12 Duodecimal a867755
16 Hexadecimal 1e81971
20 Vigesimal 9jia41
36 Base36 j1m5t

Cryptographic Hash Functions

md5 26f2f6e4b7b9654c69eb9cf81017705d
sha1 88f91f85dcebb65f528dfc661d6974cffd7f0bd3
sha256 301f1fbbafe6a0df3fa54a34c7c09c90c4656f318ec1a184e39cf18efcdc97c6
sha512 947db4c1bd3c24ddcf707235b768bae8b8a0f7adf597099f582a3d45b8cd2c3920501f8d3e88fd9b8179fa89bab056271d77d1a05d47c1e9a0a393fa4cc454bd
ripemd-160 48b2331043e53678948d49d02e41a14d288c8346

31988081 as geometric shapes

Circle

Radius = n
Diameter 63976162
Circumference 200987040.54407
Area 3.214594866437E+15

Sphere

Radius = n
Volume 1.3710496129303E+23
Surface area 1.2858379465748E+16
Circumference 200987040.54407

Square

Length = n
Perimeter 127952324
Area 1023237326062561
Diagonal 45237977.984489

Cube

Length = n
Surface area 6139423956375366
Volume 3.2731398468313E+22
Space diagonal 55404981.528629

Equilateral Triangle

Length = n
Perimeter 95964243
Area 4.4307475923532E+14
Altitude 27702490.764314

Triangular Pyramid

Length = n
Surface area 4.4307475923532E+14
Volume 3.8574323024438E+21
Height 15079325.99483