78894172 is an even 8-digits composite number following 78894171
and preceding 78894173 . In scientific notation, it is written as 7.8894172 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 33811776 positive integers (up to 78894172) that are relatively prime to 78894172.
78894172 has 12 divisors, whose sum is 157788400
The reverse of 78894172 is 27149887
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-eight million eight hundred ninety-four thousand one hundred seventy-two
Scientific notation
7.8894172 × 10^7
Engineering notation
7.8894172 × 10^6
Prime Factorization
2 × 2 × 7 × 2817649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39447086
Product of the distinct prime numbers
The prime factorization of 78894172 is 2 × 2 × 7 × 2817649.
Since it has a total of 4 prime factors.
1 , 9 , 99 , 8 , 305 , 431 , 7818 , 5485 , 75200 , 63955 , 197887 , 916384 , 8798685 , 7721101 , 95286898 , 3946948 , 15095241 , 134368587 , 8938514191 , 450563366
n×2
157788344
n×3
236682516
n×4
315576688
n×5
394470860
n÷2
39447086
n÷3
26298057.333333
n÷3
19723543
n÷5
15778834.4
n2
6224290375565584
n3
4.9106023546782E+23
n4
3.8741790679358E+31
n5
3.0565014974453E+39
2 √n
8882.2391321108
3 √n
428.89235747993
4 √n
94.245631899366
5 √n
37.967236235559
1 , 2 , 4 , 7 , 14 , 28 , 2817649 , 5635298 , 11270596 , 19723543 , 39447086 , 78894172
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78894171
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78894172 can be divided by 12 positive divisors.
The sum of these divisors (counting 78894172) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101100111101010001011100
3
Ternary
12111110020110101
4
Quaternary
10230331101130
5
Quinary
130144103142
6
Senary
11454550444
8
Octal
454752134
10
Decimal
78894172
12
Duodecimal
22508424
16
Hexadecimal
4b3d45c
20
Vigesimal
14d1f8c
36
Base36
1ayz4s
md5
4ca6dbac4ae4a27e33cf8de436d4bfb6
sha1
91c0a76f7d8d6404010c394df2f8e3cd6681e17e
sha256
25bf3277fa868773d8e1fd7a0b76cdd1b304989d8fdfa797c6b4ff27e9bc9e1f
sha512
39ac485486c49f4125ab0a9c33341609f1a6678d1e7e0b7933fa8cdff77191fb7a31f8760fb4b13257aa34175d45fe1c4b3edb97f84e039d7730b3921e195d56
ripemd-160
13b14dadd58bffc6ebaeb3fabf66aa5b4c68b805
Diameter
157788344
Circumference
495706702.3325
Area
1.9554184917686E+16
Volume
2.0569483042877E+24
Surface area
7.8216739670746E+16
Circumference
495706702.3325
Perimeter
315576688
Area
6224290375565584
Diagonal
111573208.0346
Surface area
37345742253393504
Volume
4.9106023546782E+23
Space diagonal
136648714.32508
Perimeter
236682516
Area
2.6951967928854E+15
Altitude
68324357.162539
Surface area
2.6951967928854E+15
Volume
5.7872003745059E+22
Height
37191069.344865