31021809 (number)

31021809 is an odd 8-digits composite number following 31021808 and preceding 31021810. In scientific notation, it is written as 3.1021809 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors. There are 16361280 positive integers (up to 31021809) that are relatively prime to 31021809.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1021809 × 10^7
Engineering notation 3.1021809 × 10^6

Prime Factorization of 31021809

Prime Factorization 21 × 13 × 13 × 8741

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2386293
Product of the distinct prime numbers

The prime factorization of 31021809 is 21 × 13 × 13 × 8741. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 12, 30, 2, 7, 6223, 4153, 54833, 65862, 860343, 923905, 249116, 9387094, 78271412, 18214978, 674571831, 373306942, 104007021, 8662034894

Basic calculations (n = 31021809)

Multiplication

n×y
n×2 62043618
n×3 93065427
n×4 124087236
n×5 155109045

Division

n÷y
n÷2 15510904.5
n÷3 10340603
n÷3 7755452.25
n÷5 6204361.8

Exponentiation

ny
n2 962352633632481
n3 2.9853919591194E+22
n4 9.2612259145937E+29
n5 2.8729998142838E+37

Nth Root

y√n
2√n 5569.7225245069
3√n 314.21171503578
4√n 74.630573657898
5√n 31.501658846712

Divisors of 31021809

1, 13, 21, 169, 273, 3549, 8741, 113633, 183561, 1477229, 2386293, 31021809

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31021808
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31021809 can be divided by 12 positive divisors. The sum of these divisors (counting 31021809) is 1, the average is 0.083333333333333.

Base conversion 31021809

Base System Value
2 Binary 1110110010101101011110001
3 Ternary 2011101001220220
4 Quaternary 1312111223301
5 Quinary 30420144214
6 Senary 3024523253
8 Octal 166255361
10 Decimal 31021809
12 Duodecimal a480529
16 Hexadecimal 1d95af1
20 Vigesimal 9dhea9
36 Base36 igwkx

Cryptographic Hash Functions

md5 04b6594a653b707ab3ebb24ec2e3d204
sha1 36c87768fff1d3c246712ba16a6636d4da43958c
sha256 fe8d5779955117db53597f0be2f1de6703e9616402676ccb779c9cd8ae7be9b4
sha512 1975f10e95ff25163be7d15922cfb254bdef683ac7481761bcfe2b9118eba6f9b0aff2c35bc280c59c6ef0b7a6df3d52ac7c83c8ba98d3d891f9f6951be5774e
ripemd-160 c17008e56603481efcb6edf35af812ee66a16715

31021809 as geometric shapes

Circle

Radius = n
Diameter 62043618
Circumference 194915774.51093
Area 3.0233199639826E+15

Sphere

Radius = n
Volume 1.2505180595807E+23
Surface area 1.209327985593E+16
Circumference 194915774.51093

Square

Length = n
Perimeter 124087236
Area 962352633632481
Diagonal 43871463.017148

Cube

Length = n
Surface area 5774115801794886
Volume 2.9853919591194E+22
Space diagonal 53731349.330697

Equilateral Triangle

Length = n
Perimeter 93065427
Area 4.1671091406229E+14
Altitude 26865674.665349

Triangular Pyramid

Length = n
Surface area 4.1671091406229E+14
Volume 3.5183181646552E+21
Height 14623821.005716