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.
30391389 has 18 divisors, whose sum is 46104058
The reverse of 30391389 is 98319303
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty million three hundred ninety-one thousand three hundred eighty-nine
Scientific notation
3.0391389 × 10^7
Engineering notation
3.0391389 × 10^6
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.
5 , 8 , 8 , 25 , 633 , 530 , 7901 , 7885 , 68559 , 67841 , 428354 , 562095 , 5079506 , 7745656 , 31894956 , 90976827 , 485220217 , 482825986 , 7304966360 , 9641591321
n×2
60782778
n×3
91174167
n×4
121565556
n×5
151956945
n÷2
15195694.5
n÷3
10130463
n÷3
7597847.25
n÷5
6078277.8
n2
923636525349321
n3
2.80705969365E+22
n4
8.5310443095937E+29
n5
2.592702861891E+37
2 √n
5512.8385610319
3 √n
312.06867940737
4 √n
74.248491978167
5 √n
31.372570931177
1 , 3 , 9 , 21 , 63 , 189 , 401 , 1203 , 3609 , 8421 , 25263 , 75789 , 160801 , 482403 , 1447209 , 3376821 , 10130463 , 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
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
md5
5654e93a1467775c6b474ef41385590d
sha1
5754e3b5a65a5c3be86fc79328941f0bca75087b
sha256
f3d0fba3e5517ab9b17526ee63ba1407269f5ed620eec371b54e3cdd2fd36003
sha512
1dea506c87a6bc0792938e3b8bd8ebdc8e144341285a0d5ba5aaa886475e870ab43504eb61e2a843ceebf48ed4f2275b4732e79fd1714b03a9ab713a4bf2a227
ripemd-160
11ae314b9ce68d4d1b4cda9471913d67c8c354bd
Diameter
60782778
Circumference
190954728.82958
Area
2.9016897226246E+15
Volume
1.1758184149012E+23
Surface area
1.1606758890499E+16
Circumference
190954728.82958
Perimeter
121565556
Area
923636525349321
Diagonal
42979914.503156
Surface area
5541819152095926
Volume
2.80705969365E+22
Space diagonal
52639429.86059
Perimeter
91174167
Area
3.9994634740785E+14
Altitude
26319714.930295
Surface area
3.9994634740785E+14
Volume
3.3081515742922E+21
Height
14326638.167719