30797978 is an even 8-digits composite number following 30797977
and preceding 30797979 . In scientific notation, it is written as 3.0797978 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 15398988 positive integers (up to 30797978) that are relatively prime to 30797978.
30797978 has 4 divisors, whose sum is 46196970
The reverse of 30797978 is 87979703
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
thirty million seven hundred ninety-seven thousand nine hundred seventy-eight
Scientific notation
3.0797978 × 10^7
Engineering notation
3.0797978 × 10^6
Prime Factorization
2 × 15398989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30797978
Product of the distinct prime numbers
The prime factorization of 30797978 is 2 × 15398989.
Since it has a total of 2 prime factors.
5 , 6 , 8 , 57 , 749 , 660 , 3175 , 6896 , 92691 , 1348 , 708280 , 575365 , 7049098 , 2033891 , 40158591 , 73357596 , 557803245 , 679627416 , 1021193069 , 3207137561
n×2
61595956
n×3
92393934
n×4
123191912
n×5
153989890
n÷2
15398989
n÷3
10265992.666667
n÷3
7699494.5
n÷5
6159595.6
n2
948515448888484
n3
2.9212357927528E+22
n4
8.9968155678012E+29
n5
2.770837279272E+37
2 √n
5549.5925976598
3 √n
313.45418179341
4 √n
74.495587773101
5 √n
31.456068427031
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
-30797977
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 30797978 can be divided by 4 positive divisors.
The sum of these divisors (counting 30797978) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101011111000010011010
3
Ternary
2010221200212212
4
Quaternary
1311133002122
5
Quinary
30341013403
6
Senary
3020035122
8
Octal
165370232
10
Decimal
30797978
12
Duodecimal
a392aa2
16
Hexadecimal
1d5f09a
20
Vigesimal
9c9eii
36
Base36
ic3ve
md5
796846c2a0e1f880ae98ec15472d160e
sha1
7591c9454c5e081465ba71dd78cb61a5d1dbc7b9
sha256
58dcf4e30843ce452eef26a03c2a604e35f92446a388d99781c639398878461e
sha512
31da30d0ba76581bfd5f74a7b7d3026b9fcaf7ef66ac4528dd6353fd94c0fcde44bb2f7c4d1df4a00d4b2fb302fa9afc7f6492bae9557795e73ca453ac1c51a5
ripemd-160
2661be7eaf7d3a5fab0e2aaa5d2d20286b9dcba0
Diameter
61595956
Circumference
193509402.86044
Area
2.9798491660445E+15
Volume
1.2236443874554E+23
Surface area
1.1919396664178E+16
Circumference
193509402.86044
Perimeter
123191912
Area
948515448888484
Diagonal
43554918.181268
Surface area
5691092693330904
Volume
2.9212357927528E+22
Space diagonal
53343662.666389
Perimeter
92393934
Area
4.1071923730971E+14
Altitude
26671831.333194
Surface area
4.1071923730971E+14
Volume
3.4427093975006E+21
Height
14518306.060423