12887679 is an odd 8-digits composite number following 12887678
and preceding 12887680 . In scientific notation, it is written as 1.2887679 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 7364376 positive integers (up to 12887679) that are relatively prime to 12887679.
12887679 has 4 divisors, whose sum is 13501400
The reverse of 12887679 is 97678821
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twelve million eight hundred eighty-seven thousand six hundred seventy-nine
Scientific notation
1.2887679 × 10^7
Engineering notation
1.2887679 × 10^6
Prime Factorization
21 × 613699
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12887679
Product of the distinct prime numbers
The prime factorization of 12887679 is 21 × 613699.
Since it has a total of 2 prime factors.
3 , 8 , 65 , 2 , 852 , 705 , 1014 , 7758 , 10583 , 5074 , 909946 , 205464 , 1719441 , 3693680 , 5288521 , 91105006 , 612215233 , 409609422 , 7899443572 , 6930930864
n×2
25775358
n×3
38663037
n×4
51550716
n×5
64438395
n÷2
6443839.5
n÷3
4295893
n÷3
3221919.75
n÷5
2577535.8
n2
166092270007041
n3
2.1405438602321E+21
n4
2.7586642156092E+28
n5
3.5552778879558E+35
2 √n
3589.9413644237
3 √n
234.45431861126
4 √n
59.91611940391
5 √n
26.426213663945
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
-12887678
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 12887679 can be divided by 4 positive divisors.
The sum of these divisors (counting 12887679) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001010011001111111
3
Ternary
220020202120110
4
Quaternary
301022121333
5
Quinary
11244401204
6
Senary
1140121103
8
Octal
61123177
10
Decimal
12887679
12
Duodecimal
4396193
16
Hexadecimal
c4a67f
20
Vigesimal
40aj3j
36
Base36
7o873
md5
e33597608afd41528dcb90c126ad47e2
sha1
e59180d3d8c6cb4514d820323cb5c618cf0e268d
sha256
01566866948cf864a1c1ec209a9b0717d982fd52e4cdcfb30525a832c69544c9
sha512
57e641b9726ece70205f1b4da3dac06703c439165e4a969d711af148b428c28110cf3011da63986c8ef8f6fa542757501d741b55390a67975bfc9cecf488c2d3
ripemd-160
c37f5eb624d8c7a3d3ee478389d16671e79f5121
Diameter
25775358
Circumference
80975675.336447
Area
5.2179425527217E+14
Volume
8.9662891546558E+21
Surface area
2.0871770210887E+15
Circumference
80975675.336447
Perimeter
51550716
Area
166092270007041
Diagonal
18225930.429311
Surface area
996553620042246
Volume
2.1405438602321E+21
Space diagonal
22322114.819638
Perimeter
38663037
Area
71920062599161
Altitude
11161057.409819
Surface area
71920062599161
Volume
2.5226551316622E+20
Height
6075310.1431036