31191389 (number)

31191389 is an odd 8-digits composite number following 31191388 and preceding 31191390. In scientific notation, it is written as 3.1191389 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 30884256 positive integers (up to 31191389) that are relatively prime to 31191389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1191389 × 10^7
Engineering notation 3.1191389 × 10^6

Prime Factorization of 31191389

Prime Factorization 439 × 313 × 227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31191389
Product of the distinct prime numbers

The prime factorization of 31191389 is 439 × 313 × 227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31191389)

Multiplication

n×y
n×2 62382778
n×3 93574167
n×4 124765556
n×5 155956945

Division

n÷y
n÷2 15595694.5
n÷3 10397129.666667
n÷3 7797847.25
n÷5 6238277.8

Exponentiation

ny
n2 972902747749321
n3 3.0346188064218E+22
n4 9.4653975657818E+29
n5 2.9523889751395E+37

Nth Root

y√n
2√n 5584.9251561682
3√n 314.78321861324
4√n 74.732356821983
5√n 31.536024402849

Divisors of 31191389

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 -31191388
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 31191389 can be divided by 8 positive divisors. The sum of these divisors (counting 31191389) is 1, the average is 0.125.

Base conversion 31191389

Base System Value
2 Binary 1110110111111000101011101
3 Ternary 2011200200112122
4 Quaternary 1312333011131
5 Quinary 30441111024
6 Senary 3032312325
8 Octal 166770535
10 Decimal 31191389
12 Duodecimal a5426a5
16 Hexadecimal 1dbf15d
20 Vigesimal 9eii99
36 Base36 ikjfh

Cryptographic Hash Functions

md5 5baeff2b47ed71255e1ebdc22c805386
sha1 2f8de114e44dd472b85873b908633cf7815a2662
sha256 2eb01fc6550ba6334a62105031b3f442ea716b602c4434c1c69d097c2e73f6ec
sha512 a9c34c183efe9806ea123006182f387021560aef17ce9777d77218faa8bffd09e9cd7450d75485cc792961b3f0997842ded1dfedcfcccb8601a5838a4e8491f9
ripemd-160 2f74776c318310605b0de39da583f37b6d5921dd

31191389 as geometric shapes

Circle

Radius = n
Diameter 62382778
Circumference 195981277.07532
Area 3.0564641249866E+15

Sphere

Radius = n
Volume 1.27113815316E+23
Surface area 1.2225856499946E+16
Circumference 195981277.07532

Square

Length = n
Perimeter 124765556
Area 972902747749321
Diagonal 44111285.353055

Cube

Length = n
Surface area 5837416486495926
Volume 3.0346188064218E+22
Space diagonal 54025070.506645

Equilateral Triangle

Length = n
Perimeter 93574167
Area 4.212792474813E+14
Altitude 27012535.253322

Triangular Pyramid

Length = n
Surface area 4.212792474813E+14
Volume 3.5763325605618E+21
Height 14703761.784352