78909972 is an even 8-digits composite number following 78909971
and preceding 78909973 . In scientific notation, it is written as 7.8909972 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 26273856 positive integers (up to 78909972) that are relatively prime to 78909972.
78909972 has 24 divisors, whose sum is 184329600
The reverse of 78909972 is 27990987
Previous prime number is 1039
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-eight million nine hundred nine thousand nine hundred seventy-two
Scientific notation
7.8909972 × 10^7
Engineering notation
7.8909972 × 10^6
Prime Factorization
2 × 2 × 3 × 1039 × 6329
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39454986
Product of the distinct prime numbers
The prime factorization of 78909972 is 2 × 2 × 3 × 1039 × 6329.
Since it has a total of 5 prime factors.
2 , 1 , 46 , 39 , 748 , 855 , 3639 , 4094 , 31504 , 82300 , 899408 , 213587 , 9964819 , 68796 , 13588283 , 84337815 , 635438046 , 13667635 , 8678963823 , 6505405113
n×2
157819944
n×3
236729916
n×4
315639888
n×5
394549860
n÷2
39454986
n÷3
26303324
n÷3
19727493
n÷5
15781994.4
n2
6226783681040784
n3
4.9135532592099E+23
n4
3.8772835010476E+31
n5
3.0595633250373E+39
2 √n
8883.1285029544
3 √n
428.92098674685
4 √n
94.250350147649
5 √n
37.968756840359
1 , 2 , 3 , 4 , 6 , 12 , 1039 , 2078 , 3117 , 4156 , 6234 , 6329 , 12468 , 12658 , 18987 , 25316 , 37974 , 75948 , 6575831 , 13151662 , 19727493 , 26303324 , 39454986 , 78909972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78909971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78909972 can be divided by 24 positive divisors.
The sum of these divisors (counting 78909972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101101000001001000010100
3
Ternary
12111111001010120
4
Quaternary
10231001020110
5
Quinary
130200104342
6
Senary
11455151540
8
Octal
455011024
10
Decimal
78909972
12
Duodecimal
225155b0
16
Hexadecimal
4b41214
20
Vigesimal
14d3eic
36
Base36
1azbbo
md5
afc7419dc5cf20cd2bf0fb7e7206146c
sha1
cdb0c724a37f0106513d330f93664fea5610b2a2
sha256
c756d0f3d5c4162aaf625424a15be72c43bb496e91fc87d3d7f94d8065d207bc
sha512
464bdcd9b32223f6c32dc0d36bb9645c0e75f0081fb38a43093255f8a3e8b3339d611ba0aabb0720620e0d4fed9b46fa8ebd0964dfdbb53a15fcc5a54451f655
ripemd-160
e1997859bdfad55493c80bfb6d9891d771e74516
Diameter
157819944
Circumference
495805976.66035
Area
1.9562017867851E+16
Volume
2.0581843762874E+24
Surface area
7.8248071471402E+16
Circumference
495805976.66035
Perimeter
315639888
Area
6226783681040784
Diagonal
111595552.60888
Surface area
37360702086244704
Volume
4.9135532592099E+23
Space diagonal
136676080.72784
Perimeter
236729916
Area
2.6962764258258E+15
Altitude
68338040.363919
Surface area
2.6962764258258E+15
Volume
5.7906780488476E+22
Height
37198517.536294