12978085 is an odd 8-digits composite number following 12978084
and preceding 12978086 . In scientific notation, it is written as 1.2978085 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 10286784 positive integers (up to 12978085) that are relatively prime to 12978085.
12978085 has 8 divisors, whose sum is 15717240
The reverse of 12978085 is 58087921
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million nine hundred seventy-eight thousand eighty-five
Scientific notation
1.2978085 × 10^7
Engineering notation
1.2978085 × 10^6
Prime Factorization
5 × 109 × 23813
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12978085
Product of the distinct prime numbers
The prime factorization of 12978085 is 5 × 109 × 23813.
Since it has a total of 3 prime factors.
8 , 5 , 67 , 67 , 63 , 872 , 4361 , 9686 , 75827 , 74597 , 746338 , 181709 , 1042703 , 2090808 , 22178678 , 2646236 , 222202104 , 387559198 , 2523970661 , 2164998193
n×2
25956170
n×3
38934255
n×4
51912340
n×5
64890425
n÷2
6489042.5
n÷3
4326028.3333333
n÷3
3244521.25
n÷5
2595617
n2
168430690267225
n3
2.1859078148967E+21
n4
2.8368897423894E+28
n5
3.6817396212358E+35
2 √n
3602.5109298932
3 √n
235.00126753504
4 √n
60.020920768455
5 √n
26.463185606647
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12978084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12978085 can be divided by 8 positive divisors.
The sum of these divisors (counting 12978085) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100000011110100101
3
Ternary
220102100120211
4
Quaternary
301200132211
5
Quinary
11310244320
6
Senary
1142055421
8
Octal
61403645
10
Decimal
12978085
12
Duodecimal
441a571
16
Hexadecimal
c607a5
20
Vigesimal
412545
36
Base36
7q5yd
md5
bef6d8343fc8a13ae6d260c281c03872
sha1
fad23e5a005a8e451dfd9142f9d7f22e81d50307
sha256
0867409a6d7267bc342501f9f83b8a25f4a09a543726c7d468a8cf33c1f3f8f8
sha512
10c90b1d351457d29e7ab94cd106a1c55459395f0d960af7c96128e51970a82d389745a25831fa059a0c4f84fd2dca09250cbd3a24e9ce7ae2f3a70649c1c616
ripemd-160
972a93c857e39f86c86d4639242bcc63b47def4c
Diameter
25956170
Circumference
81543712.987328
Area
5.2914061918257E+14
Volume
9.1563092436054E+21
Surface area
2.1165624767303E+15
Circumference
81543712.987328
Perimeter
51912340
Area
168430690267225
Diagonal
18353783.820631
Surface area
1010584141603350
Volume
2.1859078148967E+21
Space diagonal
22478702.604948
Perimeter
38934255
Area
72932628274183
Altitude
11239351.302474
Surface area
72932628274183
Volume
2.5761170649369E+20
Height
6117927.9402103