78157072 is an even 8-digits composite number following 78157071
and preceding 78157073 . In scientific notation, it is written as 7.8157072 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 33495840 positive integers (up to 78157072) that are relatively prime to 78157072.
78157072 has 20 divisors, whose sum is 173062336
The reverse of 78157072 is 27075187
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-eight million one hundred fifty-seven thousand seventy-two
Scientific notation
7.8157072 × 10^7
Engineering notation
7.8157072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 697831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9769634
Product of the distinct prime numbers
The prime factorization of 78157072 is 2 × 2 × 2 × 2 × 7 × 697831.
Since it has a total of 6 prime factors.
10 , 4 , 29 , 64 , 529 , 437 , 4928 , 8511 , 69620 , 41485 , 12639 , 495189 , 3904320 , 1677461 , 56651563 , 34599744 , 809132367 , 405420236 , 7410578579 , 2689749878
n×2
156314144
n×3
234471216
n×4
312628288
n×5
390785360
n÷2
39078536
n÷3
26052357.333333
n÷3
19539268
n÷5
15631414.4
n2
6108527903613184
n3
4.774246551767E+23
n4
3.7314113149221E+31
n5
2.9163618280198E+39
2 √n
8840.6488449661
3 √n
427.55247717117
4 √n
94.024724647116
5 √n
37.896024823955
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 697831 , 1395662 , 2791324 , 4884817 , 5582648 , 9769634 , 11165296 , 19539268 , 39078536 , 78157072
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78157071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78157072 can be divided by 20 positive divisors.
The sum of these divisors (counting 78157072) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101010001001010100010000
3
Ternary
12110001210100101
4
Quaternary
10222021110100
5
Quinary
130002011242
6
Senary
11431102144
8
Octal
452112420
10
Decimal
78157072
12
Duodecimal
22211954
16
Hexadecimal
4a89510
20
Vigesimal
1489cdc
36
Base36
1aj6ds
md5
e9ad0e730d286e8c3930f875b5a5568e
sha1
24a95ea10c0c11ed1cf6208067450ee37bb1fb30
sha256
f309a1f6456e6b87adccfd660c9e9eedf9c77236a7ed9d8eaf110b21c2290805
sha512
5dffe3a7fb3d0e6510695b79727aa2b9f7866e9e6d19271a9036641dc4ce9d55eda35a4eaf9ec2627925ea6aa0760cdac1d2bf20d8cad2502d3908ffa9384481
ripemd-160
4ab6396f6741bed03acff4ac08c0ff8458d9d4a6
Diameter
156314144
Circumference
491075366.44258
Area
1.9190506386239E+16
Volume
1.9998317191277E+24
Surface area
7.6762025544958E+16
Circumference
491075366.44258
Perimeter
312628288
Area
6108527903613184
Diagonal
110530791.21777
Surface area
36651167421679104
Volume
4.774246551767E+23
Space diagonal
135372019.67482
Perimeter
234471216
Area
2.6450701721276E+15
Altitude
67686009.837409
Surface area
2.6450701721276E+15
Volume
5.626503519685E+22
Height
36843597.07259