31187930 (number)

31187930 is an even 8-digits composite number following 31187929 and preceding 31187931. In scientific notation, it is written as 3.1187930 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 11818512 positive integers (up to 31187930) that are relatively prime to 31187930.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1187930 × 10^7
Engineering notation 3.1187930 × 10^6

Prime Factorization of 31187930

Prime Factorization 2 × 19 × 5 × 164147

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31187930
Product of the distinct prime numbers

The prime factorization of 31187930 is 2 × 19 × 5 × 164147. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 79, 1, 370, 285, 3908, 4257, 12925, 58091, 680514, 570725, 3926455, 228695, 10699756, 31578723, 313682304, 191926772, 3824393914, 1244618928

Basic calculations (n = 31187930)

Multiplication

n×y
n×2 62375860
n×3 93563790
n×4 124751720
n×5 155939650

Division

n÷y
n÷2 15593965
n÷3 10395976.666667
n÷3 7796982.5
n÷5 6237586

Exponentiation

ny
n2 972686977684900
n3 3.0336093371948E+22
n4 9.4611995655779E+29
n5 2.9507522976727E+37

Nth Root

y√n
2√n 5584.6154746768
3√n 314.77158211741
4√n 74.73028485612
5√n 31.535324928084

Divisors of 31187930

1, 2, 5, 10, 19, 38, 95, 190, 164147, 328294, 820735, 1641470, 3118793, 6237586, 15593965, 31187930

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31187929
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31187930 can be divided by 16 positive divisors. The sum of these divisors (counting 31187930) is 1, the average is 0.0625.

Base conversion 31187930

Base System Value
2 Binary 1110110111110001111011010
3 Ternary 2011200111210112
4 Quaternary 1312332033122
5 Quinary 30441003210
6 Senary 3032244322
8 Octal 166761732
10 Decimal 31187930
12 Duodecimal a5406a2
16 Hexadecimal 1dbe3da
20 Vigesimal 9ei9ga
36 Base36 ikgre

Cryptographic Hash Functions

md5 a101ead01c94cc9cdb029af47f4ff81f
sha1 a185cf0a8139e01430e1d4c076aaa14539bb8e72
sha256 884f115860ed49a6205928b2465f31b44e5352309904bd0cdb0d352d5ad13bf1
sha512 9ead43871ce408765a6ae8b79be7f8753196b3fbf22c380bf46c110aeaeac93db1c3e75cc5e90ab4d4776efc08e4b858f82b979176c6952ea81d9c40f1c91f43
ripemd-160 d22f0b4204a7cbf4cab3d97fba154251a0fba1c9

31187930 as geometric shapes

Circle

Radius = n
Diameter 62375860
Circumference 195959543.53735
Area 3.0557862633373E+15

Sphere

Radius = n
Volume 1.270715307679E+23
Surface area 1.2223145053349E+16
Circumference 195959543.53735

Square

Length = n
Perimeter 124751720
Area 972686977684900
Diagonal 44106393.588343

Cube

Length = n
Surface area 5836121866109400
Volume 3.0336093371948E+22
Space diagonal 54019079.342902

Equilateral Triangle

Length = n
Perimeter 93563790
Area 4.2118581630272E+14
Altitude 27009539.671451

Triangular Pyramid

Length = n
Surface area 4.2118581630272E+14
Volume 3.5751428896688E+21
Height 14702131.196114