12887951 is an odd 8-digits composite number following 12887950
and preceding 12887952 . In scientific notation, it is written as 1.2887951 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 12539592 positive integers (up to 12887951) that are relatively prime to 12887951.
12887951 has 4 divisors, whose sum is 13236312
The reverse of 12887951 is 15978821
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million eight hundred eighty-seven thousand nine hundred fifty-one
Scientific notation
1.2887951 × 10^7
Engineering notation
1.2887951 × 10^6
Prime Factorization
37 × 348323
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12887951
Product of the distinct prime numbers
The prime factorization of 12887951 is 37 × 348323.
Since it has a total of 2 prime factors.
10 , 3 , 46 , 39 , 38 , 729 , 8599 , 6856 , 54580 , 770 , 710043 , 475587 , 3468196 , 6105989 , 50958133 , 27652879 , 492705393 , 639383534 , 1643447304 , 1219030975
n×2
25775902
n×3
38663853
n×4
51551804
n×5
64439755
n÷2
6443975.5
n÷3
4295983.6666667
n÷3
3221987.75
n÷5
2577590.2
n2
166099280978401
n3
2.1406793943849E+21
n4
2.7588971141542E+28
n5
3.555653082126E+35
2 √n
3589.9792478509
3 √n
234.45596801935
4 √n
59.916435540266
5 √n
26.426325210321
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12887950
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12887951 can be divided by 4 positive divisors.
The sum of these divisors (counting 12887951) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001010011110001111
3
Ternary
220020202221112
4
Quaternary
301022132033
5
Quinary
11244403301
6
Senary
1140122235
8
Octal
61123617
10
Decimal
12887951
12
Duodecimal
439637b
16
Hexadecimal
c4a78f
20
Vigesimal
40ajhb
36
Base36
7o8en
md5
0d844a6bfa0bb2a2921d7e579e807e65
sha1
cb6f53fa4e71290235374b94e3d24319b7c87be6
sha256
4a9c5f65758b8661c4b035eee3f55f831b6a94f7c5cd74bffe95412a0595413b
sha512
31140a0197c060a4c6753cecb834259816e100b8b8abf8f316dc327d100724089a7ccaa063d561416acf93960a59daafba79d7f5d7cc4ede5f2df8aea2fafb5e
ripemd-160
4b4abe7c7c23bf5ff3ab37d4ce0b821df63b9234
Diameter
25775902
Circumference
80977384.36285
Area
5.2181628088829E+14
Volume
8.9668568787874E+21
Surface area
2.0872651235532E+15
Circumference
80977384.36285
Perimeter
51551804
Area
166099280978401
Diagonal
18226315.0954
Surface area
996595685870406
Volume
2.1406793943849E+21
Space diagonal
22322585.937458
Perimeter
38663853
Area
71923098438812
Altitude
11161292.968729
Surface area
71923098438812
Volume
2.5228148601931E+20
Height
6075438.3651333