30728047 is an odd 8-digits composite number following 30728046
and preceding 30728048 . In scientific notation, it is written as 3.0728047 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 26157600 positive integers (up to 30728047) that are relatively prime to 30728047.
30728047 has 12 divisors, whose sum is 35990256
The reverse of 30728047 is 74082703
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty million seven hundred twenty-eight thousand forty-seven
Scientific notation
3.0728047 × 10^7
Engineering notation
3.0728047 × 10^6
Prime Factorization
7 × 7 × 151 × 4153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4389721
Product of the distinct prime numbers
The prime factorization of 30728047 is 7 × 7 × 151 × 4153.
Since it has a total of 4 prime factors.
3 , 8 , 32 , 63 , 735 , 584 , 4763 , 2454 , 4931 , 54705 , 226926 , 41449 , 935547 , 9612240 , 44611392 , 84141452 , 864968260 , 256681049 , 775723198 , 3097706859
n×2
61456094
n×3
92184141
n×4
122912188
n×5
153640235
n÷2
15364023.5
n÷3
10242682.333333
n÷3
7682011.75
n÷5
6145609.4
n2
944212872434209
n3
2.9013817522163E+22
n4
8.9153794847046E+29
n5
2.7395219982884E+37
2 √n
5543.2884644406
3 √n
313.2167552081
4 √n
74.45326362518
5 √n
31.441770378087
1 , 7 , 49 , 151 , 1057 , 4153 , 7399 , 29071 , 203497 , 627103 , 4389721 , 30728047
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
-30728046
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 30728047 can be divided by 12 positive divisors.
The sum of these divisors (counting 30728047) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101001101111101101111
3
Ternary
2010211010221211
4
Quaternary
1311031331233
5
Quinary
30331244142
6
Senary
3014335251
8
Octal
165157557
10
Decimal
30728047
12
Duodecimal
a35a527
16
Hexadecimal
1d4df6f
20
Vigesimal
9c1027
36
Base36
ialwv
md5
33371bf9775491d4e3cd81992f9142ef
sha1
e663edadcb95c31eae0cee09bcddfd281ce4c088
sha256
fc62253164b30883792a77a311de9929800e50c096f2aebde53d5efe8b6b328b
sha512
b1e19a53a4fa93b568dd642f60e506393872311a2216a10183c9f207734a67b646528ed82b4a88fd24db78c8b7f6dd8e2d4e483737ae0ea1ae2e0a437c0ebd82
ripemd-160
5ea0bd8a6a02fc0ff8354a6dcc6088207c266ff7
Diameter
61456094
Circumference
193070013.42872
Area
2.9663322234642E+15
Volume
1.215327946403E+23
Surface area
1.1865328893857E+16
Circumference
193070013.42872
Perimeter
122912188
Area
944212872434209
Diagonal
43456020.812638
Surface area
5665277234605254
Volume
2.9013817522163E+22
Space diagonal
53222538.621364
Perimeter
92184141
Area
4.0885616705415E+14
Altitude
26611269.310682
Surface area
4.0885616705415E+14
Volume
3.4193111863385E+21
Height
14485340.270879