30798921 is an odd 8-digits composite number following 30798920
and preceding 30798922 . In scientific notation, it is written as 3.0798921 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 20532612 positive integers (up to 30798921) that are relatively prime to 30798921.
30798921 has 4 divisors, whose sum is 41065232
The reverse of 30798921 is 12989703
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty million seven hundred ninety-eight thousand nine hundred twenty-one
Scientific notation
3.0798921 × 10^7
Engineering notation
3.0798921 × 10^6
Prime Factorization
3 × 10266307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30798921
Product of the distinct prime numbers
The prime factorization of 30798921 is 3 × 10266307.
Since it has a total of 2 prime factors.
5 , 1 , 33 , 35 , 790 , 981 , 3005 , 9178 , 91024 , 18693 , 965841 , 426532 , 3960278 , 2124743 , 90412337 , 41010325 , 609443336 , 652280989 , 7157811193 , 3046420650
n×2
61597842
n×3
92396763
n×4
123195684
n×5
153994605
n÷2
15399460.5
n÷3
10266307
n÷3
7699730.25
n÷5
6159784.2
n2
948573534764241
n3
2.9215041359895E+22
n4
8.9979175085513E+29
n5
2.7712615051039E+37
2 √n
5549.677558201
3 √n
313.45738096747
4 √n
74.496158009665
5 √n
31.456261054672
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30798920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30798921 can be divided by 4 positive divisors.
The sum of these divisors (counting 30798921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101011111010001001001
3
Ternary
2010221202011210
4
Quaternary
1311133101021
5
Quinary
30341031141
6
Senary
3020043333
8
Octal
165372111
10
Decimal
30798921
12
Duodecimal
a393549
16
Hexadecimal
1d5f449
20
Vigesimal
9c9h61
36
Base36
ic4ll
md5
ee2c4b45247f3ca91b6baed6938bcc59
sha1
64716c81ef482b7a3218868288b2f1a62041d3af
sha256
5bd7b65864cde5439018f991f0ccc8cd9e4b5998ad792b81a4b341831d7a843d
sha512
2bcbfdcc96bf6705bfc5c5420bcef7a8ea60a9ae36297bca4cabe127e941e0994c6925367c4b83c8091a00c1016a06b8ed8f3bda2163f251c4974e1129cbb4a2
ripemd-160
e8cd518c115a4f2e80d0727d3ee71e9bd48a9a27
Diameter
61597842
Circumference
193515327.90418
Area
2.980031648205E+15
Volume
1.2237567908076E+23
Surface area
1.192012659282E+16
Circumference
193515327.90418
Perimeter
123195684
Area
948573534764241
Diagonal
43556251.784658
Surface area
5691441208585446
Volume
2.9215041359895E+22
Space diagonal
53345295.9903
Perimeter
92396763
Area
4.1074438923172E+14
Altitude
26672647.99515
Surface area
4.1074438923172E+14
Volume
3.4430256430378E+21
Height
14518750.594886