30391749 is an odd 8-digits composite number following 30391748
and preceding 30391750 . In scientific notation, it is written as 3.0391749 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 19388160 positive integers (up to 30391749) that are relatively prime to 30391749.
30391749 has 16 divisors, whose sum is 35248640
The reverse of 30391749 is 94719303
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty million three hundred ninety-one thousand seven hundred forty-nine
Scientific notation
3.0391749 × 10^7
Engineering notation
3.0391749 × 10^6
Prime Factorization
9 × 31 × 97 × 1123
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30391749
Product of the distinct prime numbers
The prime factorization of 30391749 is 9 × 31 × 97 × 1123.
Since it has a total of 4 prime factors.
3 , 1 , 2 , 66 , 456 , 386 , 5607 , 9253 , 94290 , 38370 , 187123 , 557366 , 5687011 , 4706936 , 4185803 , 81607274 , 746098058 , 447273585 , 5390834419 , 9141627575
n×2
60783498
n×3
91175247
n×4
121566996
n×5
151958745
n÷2
15195874.5
n÷3
10130583
n÷3
7597937.25
n÷5
6078349.8
n2
923658407279001
n3
2.8071594475763E+22
n4
8.5314485333718E+29
n5
2.5928564243265E+37
2 √n
5512.8712119911
3 √n
312.06991160159
4 √n
74.248711854086
5 √n
31.372645255335
1 , 9 , 31 , 97 , 279 , 873 , 1123 , 3007 , 10107 , 27063 , 34813 , 108931 , 313317 , 980379 , 3376861 , 30391749
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
-30391748
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 30391749 can be divided by 16 positive divisors.
The sum of these divisors (counting 30391749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110011111011110111000101
3
Ternary
2010012001122100
4
Quaternary
1303323313011
5
Quinary
30240013444
6
Senary
3003222313
8
Octal
163736705
10
Decimal
30391749
12
Duodecimal
a217999
16
Hexadecimal
1cfbdc5
20
Vigesimal
99ij79
36
Base36
i3ef9
md5
74c0de7cef42e10c02d55115fefc5d65
sha1
d66211c1ef6c6120c1d181038b85f739f176eb79
sha256
c788bf39a99eb7aa9b50937b85cc2427d0c55339e495ab78ccecf80e9b759702
sha512
bbab7a467becc20697c56f138e18fb7a5465f918c488778cb4608ca5cc923a60c848a6dceba7e69a50491d78942a70db89d04b87d2c213ed9a39d784fab5151e
ripemd-160
6c00853f7fdc82c3db3458afb7b32fac6786bc6b
Diameter
60783498
Circumference
190956990.77629
Area
2.9017584667342E+15
Volume
1.1758601997281E+23
Surface area
1.1607033866937E+16
Circumference
190956990.77629
Perimeter
121566996
Area
923658407279001
Diagonal
42980423.620039
Surface area
5541950443674006
Volume
2.8071594475763E+22
Space diagonal
52640053.398881
Perimeter
91175247
Area
3.9995582256134E+14
Altitude
26320026.69944
Surface area
3.9995582256134E+14
Volume
3.3082691354218E+21
Height
14326807.873346