31285220 (number)

31285220 is an even 8-digits composite number following 31285219 and preceding 31285221. In scientific notation, it is written as 3.1285220 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 12391776 positive integers (up to 31285220) that are relatively prime to 31285220.

Interesting facts

Basic properties

Name

Name thirty-one million two hundred eighty-five thousand two hundred twenty

Notation

Scientific notation 3.1285220 × 10^7
Engineering notation 3.1285220 × 10^6

Prime Factorization of 31285220

Prime Factorization 2 × 2 × 5 × 103 × 15187

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15642610
Product of the distinct prime numbers

The prime factorization of 31285220 is 2 × 2 × 5 × 103 × 15187. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 1, 65, 40, 122, 412, 2724, 7133, 89721, 15365, 828765, 188915, 316252, 9637760, 67202849, 68624786, 844613380, 733494347, 1991053071, 7887074933

Basic calculations (n = 31285220)

Multiplication

n×y
n×2 62570440
n×3 93855660
n×4 125140880
n×5 156426100

Division

n÷y
n÷2 15642610
n÷3 10428406.666667
n÷3 7821305
n÷5 6257044

Exponentiation

ny
n2 978764990448400
n3 3.0620878054476E+22
n4 9.5798090652746E+29
n5 2.9970643416511E+37

Nth Root

y√n
2√n 5593.3192292234
3√n 315.09854983165
4√n 74.788496637005
5√n 31.554975162015

Divisors of 31285220

1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 15187, 30374, 60748, 75935, 151870, 303740, 1564261, 3128522, 6257044, 7821305, 15642610, 31285220

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31285219
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31285220 can be divided by 24 positive divisors. The sum of these divisors (counting 31285220) is 1, the average is 0.041666666666667.

Base conversion 31285220

Base System Value
2 Binary 1110111010101111111100100
3 Ternary 2011212110020212
4 Quaternary 1313111333210
5 Quinary 31002111340
6 Senary 3034314552
8 Octal 167257744
10 Decimal 31285220
12 Duodecimal a588a58
16 Hexadecimal 1dd5fe4
20 Vigesimal 9fad10
36 Base36 imjtw

Cryptographic Hash Functions

md5 57eb6cf654b0e2f08330450467b879e1
sha1 19b5a4959b52d9412a4beafbb35efd6d9a958106
sha256 42789a2c6fb9f3fdf361757164a6dcd0a9f231a07720dcdfcea60550fa06402a
sha512 59d5526ae4e7e4e6003bc58460b7932eabe929c8d29e9eb5b2fa049eb9f355317910c7ebf341a04e35ed3b139c78245e57c3c622f1e18b40e1189fe76ad16ad7
ripemd-160 79da822b5e5f0c40458f8a60fcaa4ad20aaaa79a

31285220 as geometric shapes

Circle

Radius = n
Diameter 62570440
Circumference 196570834.63588
Area 3.0748809035836E+15

Sphere

Radius = n
Volume 1.2826443405655E+23
Surface area 1.2299523614334E+16
Circumference 196570834.63588

Square

Length = n
Perimeter 125140880
Area 978764990448400
Diagonal 44243982.425826

Cube

Length = n
Surface area 5872589942690400
Volume 3.0620878054476E+22
Space diagonal 54187590.56597

Equilateral Triangle

Length = n
Perimeter 93855660
Area 4.2381767303157E+14
Altitude 27093795.282985

Triangular Pyramid

Length = n
Surface area 4.2381767303157E+14
Volume 3.6087050863677E+21
Height 14747994.141942