78997130 is an even 8-digits composite number following 78997129
and preceding 78997131 . In scientific notation, it is written as 7.8997130 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 32 positive divisors.
There are 29104384 positive integers (up to 78997130) that are relatively prime to 78997130.
78997130 has 32 divisors, whose sum is 153778176
The reverse of 78997130 is 03179987
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million nine hundred ninety-seven thousand one hundred thirty
Scientific notation
7.8997130 × 10^7
Engineering notation
7.8997130 × 10^6
Prime Factorization
2 × 5 × 17 × 47 × 9887
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78997130
Product of the distinct prime numbers
The prime factorization of 78997130 is 2 × 5 × 17 × 47 × 9887.
Since it has a total of 5 prime factors.
3 , 6 , 13 , 1 , 269 , 18 , 9593 , 2441 , 76489 , 53187 , 281572 , 363996 , 8960334 , 8377488 , 33815441 , 72565475 , 496213171 , 854474996 , 8809719247 , 6492825148
n×2
157994260
n×3
236991390
n×4
315988520
n×5
394985650
n÷2
39498565
n÷3
26332376.666667
n÷3
19749282.5
n÷5
15799426
n2
6240546548236900
n3
4.9298526694212E+23
n4
3.8944421220711E+31
n5
3.0764975059473E+39
2 √n
8888.0329657354
3 √n
429.07884655867
4 √n
94.276364830934
5 √n
37.977140621826
1 , 2 , 5 , 10 , 17 , 34 , 47 , 85 , 94 , 170 , 235 , 470 , 799 , 1598 , 3995 , 7990 , 9887 , 19774 , 49435 , 98870 , 168079 , 336158 , 464689 , 840395 , 929378 , 1680790 , 2323445 , 4646890 , 7899713 , 15799426 , 39498565 , 78997130
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78997129
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78997130 can be divided by 32 positive divisors.
The sum of these divisors (counting 78997130) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101101010110011010001010
3
Ternary
12111122110200122
4
Quaternary
10231112122022
5
Quinary
130210402010
6
Senary
11501103242
8
Octal
455263212
10
Decimal
78997130
12
Duodecimal
22557b22
16
Hexadecimal
4b5668a
20
Vigesimal
14decga
36
Base36
1b16kq
md5
7ebb394cec691ac7471edda47c50a57f
sha1
38fa04772d91870a2fc786f8fc7dac2da24ae165
sha256
157af9f6292a0ea92eef15cfc7404d61ce22db9241cb8b3725c10f8bfd5b8935
sha512
d2b46b822113c07e430135a5f2f2cc6e4328c000f71adfabae405dcbb82ef8195fd6362fe1824c4a897d201f50aab2b739878953dbcf091d192a1bc370d24d8d
ripemd-160
7411baabc59afc17b8a3f1fc9c0cbed864003f41
Diameter
157994260
Circumference
496353606.52536
Area
1.9605255190326E+16
Volume
2.0650118572712E+24
Surface area
7.8421020761305E+16
Circumference
496353606.52536
Perimeter
315988520
Area
6240546548236900
Diagonal
111718812.63455
Surface area
37443279289421400
Volume
4.9298526694212E+23
Space diagonal
136827042.81212
Perimeter
236991390
Area
2.7022359221362E+15
Altitude
68413521.406062
Surface area
2.7022359221362E+15
Volume
5.8098870879972E+22
Height
37239604.211517