31191213 (number)

31191213 is an odd 8-digits composite number following 31191212 and preceding 31191214. In scientific notation, it is written as 3.1191213 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 20654288 positive integers (up to 31191213) that are relatively prime to 31191213.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred ninety-one thousand two hundred thirteen

Notation

Scientific notation 3.1191213 × 10^7
Engineering notation 3.1191213 × 10^6

Prime Factorization of 31191213

Prime Factorization 3 × 149 × 69779

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31191213
Product of the distinct prime numbers

The prime factorization of 31191213 is 3 × 149 × 69779. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31191213)

Multiplication

n×y
n×2 62382426
n×3 93573639
n×4 124764852
n×5 155956065

Division

n÷y
n÷2 15595606.5
n÷3 10397071
n÷3 7797803.25
n÷5 6238242.6

Exponentiation

ny
n2 972891768411369
n3 3.0345674374466E+22
n4 9.465183930426E+29
n5 2.9523056805809E+37

Nth Root

y√n
2√n 5584.9093994442
3√n 314.78262654865
4√n 74.732251400879
5√n 31.535988813842

Divisors of 31191213

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 -31191212
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 31191213 can be divided by 8 positive divisors. The sum of these divisors (counting 31191213) is 1, the average is 0.125.

Base conversion 31191213

Base System Value
2 Binary 1110110111111000010101101
3 Ternary 2011200200022010
4 Quaternary 1312333002231
5 Quinary 30441104323
6 Senary 3032311433
8 Octal 166770255
10 Decimal 31191213
12 Duodecimal a542579
16 Hexadecimal 1dbf0ad
20 Vigesimal 9eii0d
36 Base36 ikjal

Cryptographic Hash Functions

md5 9e9846a81bb287c64015a722d920dedb
sha1 35978244eabc5a73c374ac64cf5fc3bd4b63740f
sha256 1b3895bed5abf51faa31084564189b96edb37ff8430e1cac1354028c822a4d2e
sha512 ca5a386fefee046afb6b4c0742ccc75f940020025bb93a67cf5fd516615249cbf00354949743891f02e66a70557092a9b6ef6fd872a28631583c47ab8211dd2c
ripemd-160 1315fe1ef5014d617269dba200b097a2e17337c8

31191213 as geometric shapes

Circle

Radius = n
Diameter 62382426
Circumference 195980171.23471
Area 3.0564296323791E+15

Sphere

Radius = n
Volume 1.271116635774E+23
Surface area 1.2225718529517E+16
Circumference 195980171.23471

Square

Length = n
Perimeter 124764852
Area 972891768411369
Diagonal 44111036.451468

Cube

Length = n
Surface area 5837350610468214
Volume 3.0345674374466E+22
Space diagonal 54024765.665703

Equilateral Triangle

Length = n
Perimeter 93573639
Area 4.2127449328851E+14
Altitude 27012382.832851

Triangular Pyramid

Length = n
Surface area 4.2127449328851E+14
Volume 3.5762720216439E+21
Height 14703678.817156