31379991 (number)

31379991 is an odd 8-digits composite number following 31379990 and preceding 31379992. In scientific notation, it is written as 3.1379991 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 20903352 positive integers (up to 31379991) that are relatively prime to 31379991.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred seventy-nine thousand nine hundred ninety-one

Notation

Scientific notation 3.1379991 × 10^7
Engineering notation 3.1379991 × 10^6

Prime Factorization of 31379991

Prime Factorization 3 × 1543 × 6779

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31379991
Product of the distinct prime numbers

The prime factorization of 31379991 is 3 × 1543 × 6779. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 81, 50, 855, 492, 6530, 5435, 63065, 34163, 680442, 650927, 6793934, 4213441, 75547918, 10647224, 832734515, 166368944, 1491308809, 402863355

Basic calculations (n = 31379991)

Multiplication

n×y
n×2 62759982
n×3 94139973
n×4 125519964
n×5 156899955

Division

n÷y
n÷2 15689995.5
n÷3 10459997
n÷3 7844997.75
n÷5 6275998.2

Exponentiation

ny
n2 984703835160081
n3 3.0899997484989E+22
n4 9.6964164297897E+29
n5 3.0427346029905E+37

Nth Root

y√n
2√n 5601.784626349
3√n 315.41640068764
4√n 74.845070821992
5√n 31.574069670726

Divisors of 31379991

1, 3, 1543, 4629, 6779, 20337, 10459997, 31379991

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 -31379990
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 31379991 can be divided by 8 positive divisors. The sum of these divisors (counting 31379991) is 1, the average is 0.125.

Base conversion 31379991

Base System Value
2 Binary 1110111101101001000010111
3 Ternary 2012001021020220
4 Quaternary 1313231020113
5 Quinary 31013124431
6 Senary 3040325423
8 Octal 167551027
10 Decimal 31379991
12 Duodecimal a613873
16 Hexadecimal 1ded217
20 Vigesimal 9g29jb
36 Base36 iokyf

Cryptographic Hash Functions

md5 96f1298cbe6e3afd094a87f40424c625
sha1 d449d3519c887135157de1b8b71bc153e352a393
sha256 a1d69189109469e3045db433e48ddcb90162fef6729508139d81999838a133ee
sha512 ee486b3570750ca78f2be01a8219695b36a18b31a0cb8a6d16e37999c8816a20d0fc1a70219ef29d587dbdea0c04ae819c0e4d33f56382f53d2a1d387bb5f892
ripemd-160 349fac0b9e5134b71fffe4f940426384615bc498

31379991 as geometric shapes

Circle

Radius = n
Diameter 62759982
Circumference 197166298.39063
Area 3.0935383345006E+15

Sphere

Radius = n
Volume 1.2943360679305E+23
Surface area 1.2374153338002E+16
Circumference 197166298.39063

Square

Length = n
Perimeter 125519964
Area 984703835160081
Diagonal 44378008.859346

Cube

Length = n
Surface area 5908223010960486
Volume 3.0899997484989E+22
Space diagonal 54351738.753054

Equilateral Triangle

Length = n
Perimeter 94139973
Area 4.263892682263E+14
Altitude 27175869.376527

Triangular Pyramid

Length = n
Surface area 4.263892682263E+14
Volume 3.6415996267138E+21
Height 14792669.619782