31988045 (number)

31988045 is an odd 8-digits composite number following 31988044 and preceding 31988046. In scientific notation, it is written as 3.1988045 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 25590432 positive integers (up to 31988045) that are relatively prime to 31988045.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1988045 × 10^7
Engineering notation 3.1988045 × 10^6

Prime Factorization of 31988045

Prime Factorization 5 × 6397609

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31988045
Product of the distinct prime numbers

The prime factorization of 31988045 is 5 × 6397609. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 74, 94, 831, 669, 1969, 6626, 87678, 2900, 738001, 501112, 8424070, 5495902, 22243644, 43735843, 156583212, 233037159, 9829418520, 5706877289

Basic calculations (n = 31988045)

Multiplication

n×y
n×2 63976090
n×3 95964135
n×4 127952180
n×5 159940225

Division

n÷y
n÷2 15994022.5
n÷3 10662681.666667
n÷3 7997011.25
n÷5 6397609

Exponentiation

ny
n2 1023235022922025
n3 3.2731287958806E+22
n4 1.0470099121342E+30
n5 3.3491800184796E+37

Nth Root

y√n
2√n 5655.7974680853
3√n 317.44066926167
4√n 75.205036188312
5√n 31.695495070447

Divisors of 31988045

1, 5, 6397609, 31988045

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31988044
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31988045 can be divided by 4 positive divisors. The sum of these divisors (counting 31988045) is 1, the average is 0.25.

Base conversion 31988045

Base System Value
2 Binary 1111010000001100101001101
3 Ternary 2020012011100102
4 Quaternary 1322001211031
5 Quinary 31142104140
6 Senary 3101340445
8 Octal 172014515
10 Decimal 31988045
12 Duodecimal a867725
16 Hexadecimal 1e8194d
20 Vigesimal 9jia25
36 Base36 j1m4t

Cryptographic Hash Functions

md5 b776e45b1f8af3ef705f7ba63377cdfc
sha1 b26603d27b5239e71b918e0af778be671201e206
sha256 f86dd2cccd88fe018824dec17eb96ed3e9a8ff7452501f330a4ac5c24cb8dfeb
sha512 737f4e5659fad6204794b5da4f4cbc9326fd92fa6c0aa4a587bd6c8eff9b18e92a7aa7507f9829c0ca4dd8d16fa0ae3d030f80fb29d085e5c909bfa05b91b684
ripemd-160 aeb5611677112221788ceb115938d3b549f782f6

31988045 as geometric shapes

Circle

Radius = n
Diameter 63976090
Circumference 200986814.3494
Area 3.2145876309076E+15

Sphere

Radius = n
Volume 1.3710449839189E+23
Surface area 1.285835052363E+16
Circumference 200986814.3494

Square

Length = n
Perimeter 127952180
Area 1023235022922025
Diagonal 45237927.072801

Cube

Length = n
Surface area 6139410137532150
Volume 3.2731287958806E+22
Space diagonal 55404919.1748

Equilateral Triangle

Length = n
Perimeter 95964135
Area 4.4307376194621E+14
Altitude 27702459.5874

Triangular Pyramid

Length = n
Surface area 4.4307376194621E+14
Volume 3.8574192787735E+21
Height 15079309.024267