30785909 is an odd 8-digits composite number following 30785908
and preceding 30785910 . In scientific notation, it is written as 3.0785909 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 22714560 positive integers (up to 30785909) that are relatively prime to 30785909.
30785909 has 16 divisors, whose sum is 38586240
The reverse of 30785909 is 90958703
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
thirty million seven hundred eighty-five thousand nine hundred nine
Scientific notation
3.0785909 × 10^7
Engineering notation
3.0785909 × 10^6
Prime Factorization
7 × 209 × 11 × 1913
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30785909
Product of the distinct prime numbers
The prime factorization of 30785909 is 7 × 209 × 11 × 1913.
Since it has a total of 4 prime factors.
7 , 6 , 80 , 40 , 121 , 55 , 3205 , 2169 , 43250 , 71740 , 387291 , 459882 , 3546431 , 5676536 , 66498857 , 18508260 , 740646217 , 268835788 , 8273069977 , 3839976771
n×2
61571818
n×3
92357727
n×4
123143636
n×5
153929545
n÷2
15392954.5
n÷3
10261969.666667
n÷3
7696477.25
n÷5
6157181.8
n2
947772192956281
n3
2.9178028485083E+22
n4
8.9827212974116E+29
n5
2.7654124043447E+37
2 √n
5548.5051139924
3 √n
313.41323134753
4 √n
74.488288435112
5 √n
31.453602662472
1 , 7 , 11 , 77 , 209 , 1463 , 1913 , 2299 , 13391 , 16093 , 21043 , 147301 , 399817 , 2798719 , 4397987 , 30785909
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
-30785908
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 30785909 can be divided by 16 positive divisors.
The sum of these divisors (counting 30785909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101011100000101110101
3
Ternary
2010221002022212
4
Quaternary
1311130011311
5
Quinary
30340122114
6
Senary
3015503205
8
Octal
165340565
10
Decimal
30785909
12
Duodecimal
a387b05
16
Hexadecimal
1d5c175
20
Vigesimal
9c84f9
36
Base36
ibuk5
md5
356201535fdce30ab20df7f8946d7972
sha1
de13ff2ead87a21007c0b53cc4ea5c15bdc532ab
sha256
01ec20d6e6839650f42f449950fb97a53da5e77b61b27375686b4c009cd0437e
sha512
7e6ab19f57519c86cf928875b97612a3dd73f12717ad1e43cffbca77fd739e37f2e6c6e66a2ead35f0ab932f8e1bb0c46614a47f18ab76fa321887a25bff9a19
ripemd-160
a037fa066cb2715bb267aff5916a2cec4130e466
Diameter
61571818
Circumference
193433571.09697
Area
2.9775141586681E+15
Volume
1.2222063991329E+23
Surface area
1.1910056634673E+16
Circumference
193433571.09697
Perimeter
123143636
Area
947772192956281
Diagonal
43537850.037784
Surface area
5686633157737686
Volume
2.9178028485083E+22
Space diagonal
53322758.545192
Perimeter
92357727
Area
4.1039739805031E+14
Altitude
26661379.272596
Surface area
4.1039739805031E+14
Volume
3.4386636339093E+21
Height
14512616.679261