30705428 is an even 8-digits composite number following 30705427
and preceding 30705429 . In scientific notation, it is written as 3.0705428 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 14171712 positive integers (up to 30705428) that are relatively prime to 30705428.
30705428 has 12 divisors, whose sum is 57868020
The reverse of 30705428 is 82450703
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty million seven hundred five thousand four hundred twenty-eight
Scientific notation
3.0705428 × 10^7
Engineering notation
3.0705428 × 10^6
Prime Factorization
2 × 2 × 13 × 590489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15352714
Product of the distinct prime numbers
The prime factorization of 30705428 is 2 × 2 × 13 × 590489.
Since it has a total of 4 prime factors.
4 , 8 , 75 , 24 , 530 , 849 , 6961 , 4696 , 82065 , 59792 , 565490 , 338499 , 8584632 , 2472904 , 38085273 , 44306163 , 829435365 , 305319840 , 4492180304 , 5769007550
n×2
61410856
n×3
92116284
n×4
122821712
n×5
153527140
n÷2
15352714
n÷3
10235142.666667
n÷3
7676357
n÷5
6141085.6
n2
942823308663184
n3
2.8949793220879E+22
n4
8.8891579135859E+29
n5
2.7294539829624E+37
2 √n
5541.2478738999
3 √n
313.13988310447
4 √n
74.439558528378
5 √n
31.437140139805
1 , 2 , 4 , 13 , 26 , 52 , 590489 , 1180978 , 2361956 , 7676357 , 15352714 , 30705428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30705427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30705428 can be divided by 12 positive divisors.
The sum of these divisors (counting 30705428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101001000011100010100
3
Ternary
2010202222221002
4
Quaternary
1311020130110
5
Quinary
30330033203
6
Senary
3014042432
8
Octal
165103424
10
Decimal
30705428
12
Duodecimal
a349418
16
Hexadecimal
1d48714
20
Vigesimal
9bi3b8
36
Base36
ia4gk
md5
7a7b1fce30018f55728aec039e107900
sha1
3eb2e8efed6278c91b7650d76c9a65c5f8202d53
sha256
2f56d18b7e8b29efca6021750eed6778519902055c8ef55435089a50d1373b80
sha512
275e566203afb3b04aa34c81999292e188eb5bcfcecf668d3a3a475a6b866b117ff62fb94ffea3a6f8ecd0b17774eac61ecb5f06e5cfb97bc8897354205bb5e7
ripemd-160
864186dd68027a9b66de17c02d1be45df5903e1e
Diameter
61410856
Circumference
192927894.06026
Area
2.9619667801295E+15
Volume
1.2126461027421E+23
Surface area
1.1847867120518E+16
Circumference
192927894.06026
Perimeter
122821712
Area
942823308663184
Diagonal
43424032.716071
Surface area
5656939851979104
Volume
2.8949793220879E+22
Space diagonal
53183361.364148
Perimeter
92116284
Area
4.0825446829121E+14
Altitude
26591680.682074
Surface area
4.0825446829121E+14
Volume
3.411765850072E+21
Height
14474677.572024