30804981 is an odd 8-digits composite number following 30804980
and preceding 30804982 . In scientific notation, it is written as 3.0804981 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 19162880 positive integers (up to 30804981) that are relatively prime to 30804981.
30804981 has 16 divisors, whose sum is 43908480
The reverse of 30804981 is 18940803
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty million eight hundred four thousand nine hundred eighty-one
Scientific notation
3.0804981 × 10^7
Engineering notation
3.0804981 × 10^6
Prime Factorization
3 × 23 × 41 × 10889
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30804981
Product of the distinct prime numbers
The prime factorization of 30804981 is 3 × 23 × 41 × 10889.
Since it has a total of 4 prime factors.
4 , 9 , 93 , 71 , 389 , 131 , 450 , 3267 , 48078 , 6993 , 721353 , 874079 , 6520828 , 760451 , 50359969 , 63393890 , 358616792 , 523466221 , 9269024924 , 7688020065
n×2
61609962
n×3
92414943
n×4
123219924
n×5
154024905
n÷2
15402490.5
n÷3
10268327
n÷3
7701245.25
n÷5
6160996.2
n2
948946854410361
n3
2.9232289820121E+22
n4
9.0050013249532E+29
n5
2.7739889472016E+37
2 √n
5550.2235090129
3 √n
313.4779382586
4 √n
74.499822207928
5 √n
31.457498824922
1 , 3 , 23 , 41 , 69 , 123 , 943 , 2829 , 10889 , 32667 , 250447 , 446449 , 751341 , 1339347 , 10268327 , 30804981
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
-30804980
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 30804981 can be divided by 16 positive divisors.
The sum of these divisors (counting 30804981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101100000101111110101
3
Ternary
2010222001111020
4
Quaternary
1311200233311
5
Quinary
30341224411
6
Senary
3020131353
8
Octal
165405765
10
Decimal
30804981
12
Duodecimal
a396b59
16
Hexadecimal
1d60bf5
20
Vigesimal
9cac91
36
Base36
ic99x
md5
d83136d2a3a307e2854dbfa46479fe1b
sha1
4bac8ddce9d4e20e07b2ff16bd34ce78ec939c58
sha256
03cbb0a210bf43d3470d08e0cf188c86f28fa5838c0be75f0034a9980f428cd8
sha512
8bfd73444e9e8b18b9fe2715aa4c8bdba36dabe25adf893cc686269899becfc74617322a8fdb1dd3ae3eb78b573b8438948195ba8a964d1210b403122c17730e
ripemd-160
a16a5044d75869a236a95d5583dfe043ce87beb7
Diameter
61609962
Circumference
193553404.00715
Area
2.9812044664627E+15
Volume
1.22447929262E+23
Surface area
1.1924817865851E+16
Circumference
193553404.00715
Perimeter
123219924
Area
948946854410361
Diagonal
43564821.918846
Surface area
5693681126462166
Volume
2.9232289820121E+22
Space diagonal
53355792.218194
Perimeter
92414943
Area
4.1090604138035E+14
Altitude
26677896.109097
Surface area
4.1090604138035E+14
Volume
3.4450583935697E+21
Height
14521607.306282