30798972 is an even 8-digits composite number following 30798971
and preceding 30798973 . In scientific notation, it is written as 3.0798972 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 18 positive divisors.
There are 10266312 positive integers (up to 30798972) that are relatively prime to 30798972.
30798972 has 18 divisors, whose sum is 77853048
The reverse of 30798972 is 27989703
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty million seven hundred ninety-eight thousand nine hundred seventy-two
Scientific notation
3.0798972 × 10^7
Engineering notation
3.0798972 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 855527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5133162
Product of the distinct prime numbers
The prime factorization of 30798972 is 2 × 2 × 3 × 3 × 855527.
Since it has a total of 5 prime factors.
10 , 1 , 66 , 91 , 279 , 550 , 450 , 4865 , 2374 , 84956 , 9365 , 665521 , 5868996 , 9540799 , 89197945 , 7944475 , 755841444 , 313406935 , 8774477449 , 8418566990
n×2
61597944
n×3
92396916
n×4
123195888
n×5
153994860
n÷2
15399486
n÷3
10266324
n÷3
7699743
n÷5
6159794.4
n2
948576676256784
n3
2.9215186491886E+22
n4
8.9979771073837E+29
n5
2.7712844498695E+37
2 √n
5549.6821530607
3 √n
313.45755398563
4 √n
74.496188849233
5 √n
31.456271472363
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 855527 , 1711054 , 2566581 , 3422108 , 5133162 , 7699743 , 10266324 , 15399486 , 30798972
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30798971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30798972 can be divided by 18 positive divisors.
The sum of these divisors (counting 30798972) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1110101011111010001111100
3
Ternary
2010221202020200
4
Quaternary
1311133101330
5
Quinary
30341031342
6
Senary
3020043500
8
Octal
165372174
10
Decimal
30798972
12
Duodecimal
a393590
16
Hexadecimal
1d5f47c
20
Vigesimal
9c9h8c
36
Base36
ic4n0
md5
f751bd428415766464120f90a62ebd2f
sha1
c450f4305da50e8b4c87b4dd96ddc93cd0701178
sha256
58423179567f9429ce0467042ca21ffff5756a02ab928412eb348d61bbb2f5aa
sha512
3b8295d1b4494016042235ec7b2c39d1331c9b1d9fef798d6e35defd6c8f7c7da9b6cf0df4dfa9364ef9d8bf2f9f4784c9f187d78fb726c3135a7686ad0245e3
ripemd-160
0fd15e63f5421a54ba3bf10d767dd6497925b172
Diameter
61597944
Circumference
193515648.34664
Area
2.9800415174949E+15
Volume
1.2237628700822E+23
Surface area
1.192016606998E+16
Circumference
193515648.34664
Perimeter
123195888
Area
948576676256784
Diagonal
43556323.909549
Surface area
5691460057540704
Volume
2.9215186491886E+22
Space diagonal
53345384.324891
Perimeter
92396916
Area
4.1074574953789E+14
Altitude
26672692.162446
Surface area
4.1074574953789E+14
Volume
3.443042747007E+21
Height
14518774.636516