12887968 is an even 8-digits composite number following 12887967
and preceding 12887969 . In scientific notation, it is written as 1.2887968 × 10^7.
The sum of its digits is 49. It has a total of 7 prime factors and 24 positive divisors.
There are 6422976 positive integers (up to 12887968) that are relatively prime to 12887968.
12887968 has 24 divisors, whose sum is 25456032
The reverse of 12887968 is 86978821
Previous prime number is 487
Is Prime? no Number parity even Number length 8 Sum of Digits 49 Digital Root 4
Name
twelve million eight hundred eighty-seven thousand nine hundred sixty-eight
Scientific notation
1.2887968 × 10^7
Engineering notation
1.2887968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 487 × 827
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
7 Total number of prime factors
rad Radical
805498 Product of the distinct prime numbers
The prime factorization of 12887968 is 2 × 2 × 2 × 2 × 2 × 487 × 827.
Since it has a total of 7 prime factors.
3 , 2 , 15 , 59 , 240 , 750 , 8593 , 9424 , 92427 , 38749 , 6863 , 624723 , 7579650 , 2001795 , 39285452 , 76546552 , 328073085 , 946622590 , 1047250267 , 3385602575
n×2
25775936
n×3
38663904
n×4
51551872
n×5
64439840
n÷2
6443984
n÷3
4295989.3333333
n÷3
3221992
n÷5
2577593.6
n2
166099719169024
n3
2.1406878654594E+21
n4
2.7589116708029E+28
n5
3.5556765328134E+35
2 √n3589.9816155518
3 √n234.45607110659
4 √n59.916455298622
5 √n26.426332181907
1 , 2 , 4 , 8 , 16 , 32 , 487 , 827 , 974 , 1654 , 1948 , 3308 , 3896 , 6616 , 7792 , 13232 , 15584 , 26464 , 402749 , 805498 , 1610996 , 3221992 , 6443984 , 12887968
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-12887967 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12887968 can be divided by 24 positive divisors.
The sum of these divisors (counting 12887968) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001001010011110100000
3
Ternary
220020202222011
4
Quaternary
301022132200
5
Quinary
11244403333
6
Senary
1140122304
8
Octal
61123640
10
Decimal
12887968
12
Duodecimal
4396394
16
Hexadecimal
c4a7a0
20
Vigesimal
40aji8
36
Base36
7o8f4
md5
6c38e2a2d7fcc28bf68d243ca7ac4eff
sha1
09b11ea0c05ec543d19a8952889dbb62919a0829
sha256
f4d1daf1a25613fee2afde39f39d85abb99a068854dfd30cb7a75f98e0f25d67
sha512
341b7beb4f8e16281ff99381c8496619fec3d2c4165dfc763b9891ae8d02a2298991e40692759a0aeeed45d9b4e3e019b5876c1c345b7f40cf07e74495184a7c
ripemd-160
3c3235fefcc78f9c210043efe2a537d692e3caf4
Diameter
25775936
Circumference
80977491.177001
Area
5.2181765750473E+14
Volume
8.9668923623413E+21
Surface area
2.0872706300189E+15
Circumference
80977491.177001
Perimeter
51551872
Area
166099719169024
Diagonal
18226339.13703
Surface area
996598315014144
Volume
2.1406878654594E+21
Space diagonal
22322615.382322
Perimeter
38663904
Area
71923288180918
Altitude
11161307.691161
Surface area
71923288180918
Volume
2.5228248434501E+20
Height
6075446.3790102