31491640 (number)

31491640 is an even 8-digits composite number following 31491639 and preceding 31491641. In scientific notation, it is written as 3.1491640 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors. There are 12548992 positive integers (up to 31491640) that are relatively prime to 31491640.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred ninety-one thousand six hundred forty

Notation

Scientific notation 3.1491640 × 10^7
Engineering notation 3.1491640 × 10^6

Prime Factorization of 31491640

Prime Factorization 2 × 2 × 2 × 5 × 293 × 2687

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7872910
Product of the distinct prime numbers

The prime factorization of 31491640 is 2 × 2 × 2 × 5 × 293 × 2687. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 1, 52, 59, 785, 979, 1378, 4180, 55501, 54506, 637103, 561831, 1487622, 9501038, 37109094, 67866174, 254299290, 434861674, 8881070157, 7368028989

Basic calculations (n = 31491640)

Multiplication

n×y
n×2 62983280
n×3 94474920
n×4 125966560
n×5 157458200

Division

n÷y
n÷2 15745820
n÷3 10497213.333333
n÷3 7872910
n÷5 6298328

Exponentiation

ny
n2 991723389889600
n3 3.1230995973983E+22
n4 9.8351528205412E+29
n5 3.0972509196947E+37

Nth Root

y√n
2√n 5611.7412627455
3√n 315.79003838106
4√n 74.91155626968
5√n 31.596505667919

Divisors of 31491640

1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2687, 2930, 5374, 5860, 10748, 11720, 13435, 21496, 26870, 53740, 107480, 787291, 1574582, 3149164, 3936455, 6298328, 7872910, 15745820, 31491640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31491639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31491640 can be divided by 32 positive divisors. The sum of these divisors (counting 31491640) is 1, the average is 0.03125.

Base conversion 31491640

Base System Value
2 Binary 1111000001000011000111000
3 Ternary 2012020221102001
4 Quaternary 1320020120320
5 Quinary 31030213030
6 Senary 3042550344
8 Octal 170103070
10 Decimal 31491640
12 Duodecimal a6683b4
16 Hexadecimal 1e08638
20 Vigesimal 9gg920
36 Base36 iqz3s

Cryptographic Hash Functions

md5 60af89909248a33259208ec710cf1cd6
sha1 e84e7dc1bbbcb8e39571d5293d9c345e7741a257
sha256 58c82edb6fa2e58020c246f1158beefd68ebba7802ba3d9b490162c42c75e1fa
sha512 425ce8a84e48cce6873f42967313985399f0c10b076bfdad1a6517fd6844238b3bad80b873ef8572715f667aaddbe24895c6b48bf97df1905e7d6842c075652f
ripemd-160 150a17fe89746f2c316bb36b4c32ccbbfc0d5196

31491640 as geometric shapes

Circle

Radius = n
Diameter 62983280
Circumference 197867809.74699
Area 3.1155909160703E+15

Sphere

Radius = n
Volume 1.3082009002154E+23
Surface area 1.2462363664281E+16
Circumference 197867809.74699

Square

Length = n
Perimeter 125966560
Area 991723389889600
Diagonal 44535904.389371

Cube

Length = n
Surface area 5950340339337600
Volume 3.1230995973983E+22
Space diagonal 54545120.493668

Equilateral Triangle

Length = n
Perimeter 94474920
Area 4.2942882458581E+14
Altitude 27272560.246834

Triangular Pyramid

Length = n
Surface area 4.2942882458581E+14
Volume 3.6806081727355E+21
Height 14845301.463124