12978688 is an even 8-digits composite number following 12978687
and preceding 12978689 . In scientific notation, it is written as 1.2978688 × 10^7.
The sum of its digits is 49. It has a total of 10 prime factors and 20 positive divisors.
There are 6489088 positive integers (up to 12978688) that are relatively prime to 12978688.
12978688 has 20 divisors, whose sum is 25933050
The reverse of 12978688 is 88687921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twelve million nine hundred seventy-eight thousand six hundred eighty-eight
Scientific notation
1.2978688 × 10^7
Engineering notation
1.2978688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 25349
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
10
Total number of prime factors
rad
Radical
50698
Product of the distinct prime numbers
The prime factorization of 12978688 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 25349.
Since it has a total of 10 prime factors.
3 , 4 , 75 , 37 , 169 , 778 , 2848 , 4148 , 59287 , 24718 , 505148 , 25341 , 7745483 , 9096536 , 12066385 , 48029835 , 916385555 , 774633652 , 5709489636 , 962807712
n×2
25957376
n×3
38936064
n×4
51914752
n×5
64893440
n÷2
6489344
n÷3
4326229.3333333
n÷3
3244672
n÷5
2595737.6
n2
168446342201344
n3
2.1862125201725E+21
n4
2.8374170201012E+28
n5
3.6825950229784E+35
2 √n
3602.5946205478
3 √n
235.00490709536
4 √n
60.021617943436
5 √n
26.463431513564
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 25349 , 50698 , 101396 , 202792 , 405584 , 811168 , 1622336 , 3244672 , 6489344 , 12978688
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
-12978687
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 12978688 can be divided by 20 positive divisors.
The sum of these divisors (counting 12978688) is 1, the average is 0.05.
Base
System
Value
2
Binary
110001100000101000000000
3
Ternary
220102101102011
4
Quaternary
301200220000
5
Quinary
11310304223
6
Senary
1142102304
8
Octal
61405000
10
Decimal
12978688
12
Duodecimal
441a994
16
Hexadecimal
c60a00
20
Vigesimal
4126e8
36
Base36
7q6f4
md5
6fe44584dac9fd436a73404f16c25352
sha1
4f49a882132622b02cfd1ade4e76d9ae01920e65
sha256
3fa010687607776abf19ec7fc816c50021e8f12f5265bc8aed40bb7609ffe723
sha512
2dccfcef3dcade1282c9fc0e46f9e62ce5375eac283aed029b99df8d71c1f94c238d6fb18fa64718a60a9133609dea07e66eb73f528db85e41c0276d58407032
ripemd-160
9ec49dc0b358610418190b6b81d332064cd734aa
Diameter
25957376
Circumference
81547501.748068
Area
5.2918979118381E+14
Volume
9.1575855900798E+21
Surface area
2.1167591647353E+15
Circumference
81547501.748068
Perimeter
51914752
Area
168446342201344
Diagonal
18354636.591409
Surface area
1010678053208064
Volume
2.1862125201725E+21
Space diagonal
22479747.031584
Perimeter
38936064
Area
72939405760465
Altitude
11239873.515792
Surface area
72939405760465
Volume
2.5764761635482E+20
Height
6118212.1971363