30804921 is an odd 8-digits composite number following 30804920
and preceding 30804922 . In scientific notation, it is written as 3.0804921 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 17602704 positive integers (up to 30804921) that are relatively prime to 30804921.
30804921 has 8 divisors, whose sum is 35857800
The reverse of 30804921 is 12940803
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty million eight hundred four thousand nine hundred twenty-one
Scientific notation
3.0804921 × 10^7
Engineering notation
3.0804921 × 10^6
Prime Factorization
21 × 9 × 162989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30804921
Product of the distinct prime numbers
The prime factorization of 30804921 is 21 × 9 × 162989.
Since it has a total of 3 prime factors.
3 , 5 , 80 , 56 , 21 , 119 , 8592 , 5942 , 10172 , 82541 , 533761 , 964806 , 5013533 , 2907164 , 94592567 , 62333615 , 662267428 , 363564271 , 7802349233 , 9837623751
n×2
61609842
n×3
92414763
n×4
123219684
n×5
154024605
n÷2
15402460.5
n÷3
10268307
n÷3
7701230.25
n÷5
6160984.2
n2
948943157816241
n3
2.923211901002E+22
n4
9.0049311676626E+29
n5
2.7739619323028E+37
2 √n
5550.2181038226
3 √n
313.47773473428
4 √n
74.499785931388
5 √n
31.457486570726
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30804920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30804921 can be divided by 8 positive divisors.
The sum of these divisors (counting 30804921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101100000101110111001
3
Ternary
2010222001102000
4
Quaternary
1311200232321
5
Quinary
30341224141
6
Senary
3020131213
8
Octal
165405671
10
Decimal
30804921
12
Duodecimal
a396b09
16
Hexadecimal
1d60bb9
20
Vigesimal
9cac61
36
Base36
ic989
md5
95fe792e68e5e16dac2101a989cfd0de
sha1
0a2f71d98ea2ca467e4493ea6ece2f9603359707
sha256
0abae6162cb3bf9f6fd2e9720acec6d93b7f8da3fdc07c61ce6674cc31606af1
sha512
edfb9710f928687e5ca0969034396b2c8e60ba17b3bce9660f5e2346546488511081a23b10f2ff19a1ae0537a1acd79e068d27173c36acd54c5aa3e3355fe001
ripemd-160
b43a0bede461557c209886ff0dfd6c0ffae45a86
Diameter
61609842
Circumference
193553027.01603
Area
2.9811928532698E+15
Volume
1.2244721377432E+23
Surface area
1.1924771413079E+16
Circumference
193553027.01603
Perimeter
123219684
Area
948943157816241
Diagonal
43564737.066032
Surface area
5693658946897446
Volume
2.923211901002E+22
Space diagonal
53355688.295145
Perimeter
92414763
Area
4.1090444070815E+14
Altitude
26677844.147573
Surface area
4.1090444070815E+14
Volume
3.4450382634062E+21
Height
14521579.022011