31005385 (number)

31005385 is an odd 8-digits composite number following 31005384 and preceding 31005386. In scientific notation, it is written as 3.1005385 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 23970240 positive integers (up to 31005385) that are relatively prime to 31005385.

Interesting facts

Basic properties

Name

Name thirty-one million five thousand three hundred eighty-five

Notation

Scientific notation 3.1005385 × 10^7
Engineering notation 3.1005385 × 10^6

Prime Factorization of 31005385

Prime Factorization 5 × 59 × 61 × 1723

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31005385
Product of the distinct prime numbers

The prime factorization of 31005385 is 5 × 59 × 61 × 1723. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31005385)

Multiplication

n×y
n×2 62010770
n×3 93016155
n×4 124021540
n×5 155026925

Division

n÷y
n÷2 15502692.5
n÷3 10335128.333333
n÷3 7751346.25
n÷5 6201077

Exponentiation

ny
n2 961333898998225
n3 2.9806527651991E+22
n4 9.2416286536313E+29
n5 2.8654025443287E+37

Nth Root

y√n
2√n 5568.2479291066
3√n 314.15625379333
4√n 74.620693705611
5√n 31.49832253033

Divisors of 31005385

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 -31005384
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 31005385 can be divided by 16 positive divisors. The sum of these divisors (counting 31005385) is 1, the average is 0.0625.

Base conversion 31005385

Base System Value
2 Binary 1110110010001101011001001
3 Ternary 2011100020101121
4 Quaternary 1312101223021
5 Quinary 30414133020
6 Senary 3024315241
8 Octal 166215311
10 Decimal 31005385
12 Duodecimal a472b21
16 Hexadecimal 1d91ac9
20 Vigesimal 9dfd95
36 Base36 igjwp

Cryptographic Hash Functions

md5 e88af4a7b47102d0b1b7576c416405b5
sha1 77bee61e0ee5fd5f7da045a4e5b39a4b852f18e4
sha256 8b36487ae938ca5bd39fee0b777e6cb0b54b76869cc8bb92cd506181625ce6f0
sha512 5a6926fa5454ac99e9150ca5d446f7c0698eb5869b98ecda6926c20df9213300da9a996befd53cefb70e96e136274a0ba7f729689180d78405e36aa19b330f13
ripemd-160 aaf2608bafdcffd2db9e1cd23eb195017e140e0e

31005385 as geometric shapes

Circle

Radius = n
Diameter 62010770
Circumference 194812579.47545
Area 3.0201195147397E+15

Sphere

Radius = n
Volume 1.2485329106735E+23
Surface area 1.2080478058959E+16
Circumference 194812579.47545

Square

Length = n
Perimeter 124021540
Area 961333898998225
Diagonal 43848235.973599

Cube

Length = n
Surface area 5768003393989350
Volume 2.9806527651991E+22
Space diagonal 53702902.128234

Equilateral Triangle

Length = n
Perimeter 93016155
Area 4.162697890258E+14
Altitude 26851451.064117

Triangular Pyramid

Length = n
Surface area 4.162697890258E+14
Volume 3.5127329710579E+21
Height 14616078.657866