30391389 (number)

30391389 is an odd 8-digits composite number following 30391388 and preceding 30391390. In scientific notation, it is written as 3.0391389 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors. There are 17323200 positive integers (up to 30391389) that are relatively prime to 30391389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0391389 × 10^7
Engineering notation 3.0391389 × 10^6

Prime Factorization of 30391389

Prime Factorization 21 × 3 × 3 × 401 × 401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 25263
Product of the distinct prime numbers

The prime factorization of 30391389 is 21 × 3 × 3 × 401 × 401. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30391389)

Multiplication

n×y
n×2 60782778
n×3 91174167
n×4 121565556
n×5 151956945

Division

n÷y
n÷2 15195694.5
n÷3 10130463
n÷3 7597847.25
n÷5 6078277.8

Exponentiation

ny
n2 923636525349321
n3 2.80705969365E+22
n4 8.5310443095937E+29
n5 2.592702861891E+37

Nth Root

y√n
2√n 5512.8385610319
3√n 312.06867940737
4√n 74.248491978167
5√n 31.372570931177

Divisors of 30391389

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30391388
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30391389 can be divided by 18 positive divisors. The sum of these divisors (counting 30391389) is 1, the average is 0.055555555555556.

Base conversion 30391389

Base System Value
2 Binary 1110011111011110001011101
3 Ternary 2010012001011000
4 Quaternary 1303323301131
5 Quinary 30240011024
6 Senary 3003220513
8 Octal 163736135
10 Decimal 30391389
12 Duodecimal a217739
16 Hexadecimal 1cfbc5d
20 Vigesimal 99ii99
36 Base36 i3e59

Cryptographic Hash Functions

md5 5654e93a1467775c6b474ef41385590d
sha1 5754e3b5a65a5c3be86fc79328941f0bca75087b
sha256 f3d0fba3e5517ab9b17526ee63ba1407269f5ed620eec371b54e3cdd2fd36003
sha512 1dea506c87a6bc0792938e3b8bd8ebdc8e144341285a0d5ba5aaa886475e870ab43504eb61e2a843ceebf48ed4f2275b4732e79fd1714b03a9ab713a4bf2a227
ripemd-160 11ae314b9ce68d4d1b4cda9471913d67c8c354bd

30391389 as geometric shapes

Circle

Radius = n
Diameter 60782778
Circumference 190954728.82958
Area 2.9016897226246E+15

Sphere

Radius = n
Volume 1.1758184149012E+23
Surface area 1.1606758890499E+16
Circumference 190954728.82958

Square

Length = n
Perimeter 121565556
Area 923636525349321
Diagonal 42979914.503156

Cube

Length = n
Surface area 5541819152095926
Volume 2.80705969365E+22
Space diagonal 52639429.86059

Equilateral Triangle

Length = n
Perimeter 91174167
Area 3.9994634740785E+14
Altitude 26319714.930295

Triangular Pyramid

Length = n
Surface area 3.9994634740785E+14
Volume 3.3081515742922E+21
Height 14326638.167719