31981330 (number)

31981330 is an even 8-digits composite number following 31981329 and preceding 31981331. In scientific notation, it is written as 3.1981330 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 12792528 positive integers (up to 31981330) that are relatively prime to 31981330.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1981330 × 10^7
Engineering notation 3.1981330 × 10^6

Prime Factorization of 31981330

Prime Factorization 2 × 5 × 3198133

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31981330
Product of the distinct prime numbers

The prime factorization of 31981330 is 2 × 5 × 3198133. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31981330)

Multiplication

n×y
n×2 63962660
n×3 95943990
n×4 127925320
n×5 159906650

Division

n÷y
n÷2 15990665
n÷3 10660443.333333
n÷3 7995332.5
n÷5 6396266

Exponentiation

ny
n2 1022805468568900
n3 3.2710679216107E+22
n4 1.0461310265344E+30
n5 3.3456661582837E+37

Nth Root

y√n
2√n 5655.2037982729
3√n 317.41845509521
4√n 75.201089076375
5√n 31.694164241238

Divisors of 31981330

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 -31981329
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 31981330 can be divided by 8 positive divisors. The sum of these divisors (counting 31981330) is 1, the average is 0.125.

Base conversion 31981330

Base System Value
2 Binary 1111001111111111100010010
3 Ternary 2020011211010201
4 Quaternary 1321333330102
5 Quinary 31141400310
6 Senary 3101245414
8 Octal 171777422
10 Decimal 31981330
12 Duodecimal a86386a
16 Hexadecimal 1e7ff12
20 Vigesimal 9jhd6a
36 Base36 j1gya

Cryptographic Hash Functions

md5 fd35b85b65b5dd236ad378a87880275c
sha1 f1b2bdf1aa72805c0e55d3df568fbf4d8d629340
sha256 bee407247c5b1391aaf7967ca19e0e15d8ab56a3e9c555096439865e35ce2643
sha512 77a375d2d9bc12dcbd6c5f2559113b578343186fc77402f738367ca9a42c150c827a6461c54154b4e46f844226ff76ab6e1a3d106c879c2b7d89cfa609ccb102
ripemd-160 992a308b6a947d0845c76b9757b1a1a8da1c2f11

31981330 as geometric shapes

Circle

Radius = n
Diameter 63962660
Circumference 200944622.76006
Area 3.2132381461075E+15

Sphere

Radius = n
Volume 1.3701817269234E+23
Surface area 1.285295258443E+16
Circumference 200944622.76006

Square

Length = n
Perimeter 127925320
Area 1022805468568900
Diagonal 45228430.62873

Cube

Length = n
Surface area 6136832811413400
Volume 3.2710679216107E+22
Space diagonal 55393288.453627

Equilateral Triangle

Length = n
Perimeter 95943990
Area 4.4288775945516E+14
Altitude 27696644.226813

Triangular Pyramid

Length = n
Surface area 4.4288775945516E+14
Volume 3.8549905151545E+21
Height 15076143.54291