12887345 is an odd 8-digits composite number following 12887344
and preceding 12887346 . In scientific notation, it is written as 1.2887345 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 10243584 positive integers (up to 12887345) that are relatively prime to 12887345.
12887345 has 8 divisors, whose sum is 15564264
The reverse of 12887345 is 54378821
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million eight hundred eighty-seven thousand three hundred forty-five
Scientific notation
1.2887345 × 10^7
Engineering notation
1.2887345 × 10^6
Prime Factorization
5 × 157 × 16417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12887345
Product of the distinct prime numbers
The prime factorization of 12887345 is 5 × 157 × 16417.
Since it has a total of 3 prime factors.
8 , 5 , 24 , 83 , 405 , 370 , 3324 , 7484 , 61259 , 19643 , 969174 , 265471 , 3911080 , 8068643 , 78347152 , 45529820 , 757272670 , 320094097 , 9068930572 , 8185573229
n×2
25774690
n×3
38662035
n×4
51549380
n×5
64436725
n÷2
6443672.5
n÷3
4295781.6666667
n÷3
3221836.25
n÷5
2577469
n2
166083661149025
n3
2.1403774400906E+21
n4
2.7583782500664E+28
n5
3.5548172149102E+35
2 √n
3589.8948452566
3 √n
234.45229320341
4 √n
59.915731200217
5 √n
26.426076688981
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
-12887344
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 12887345 can be divided by 8 positive divisors.
The sum of these divisors (counting 12887345) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001010010100110001
3
Ternary
220020202010002
4
Quaternary
301022110301
5
Quinary
11244343340
6
Senary
1140115345
8
Octal
61122461
10
Decimal
12887345
12
Duodecimal
4395b55
16
Hexadecimal
c4a531
20
Vigesimal
40ai75
36
Base36
7o7xt
md5
ddb96e308bc6ca80e969b616d715f640
sha1
e314ea3a297c5346ff57cdfa339a4942b2bd081f
sha256
bf40faa5b074d43f26a29286515f4003a75bd875e400a75f72f997a8d7a66dcb
sha512
c97d3d5abedce96f2bd76e87bbb3b4cd2238ac8473fd3abdb6ac331b968a833fe5ce403e42cf3a1f2e53f2b2c83487a5fbbcf060037f672caa770f81e111a701
ripemd-160
1c8a472fa3f451d623f3a89c84fe6d4296ee1648
Diameter
25774690
Circumference
80973576.752554
Area
5.2176720974707E+14
Volume
8.9655920555972E+21
Surface area
2.0870688389883E+15
Circumference
80973576.752554
Perimeter
51549380
Area
166083661149025
Diagonal
18225458.081981
Surface area
996501966894150
Volume
2.1403774400906E+21
Space diagonal
22321536.314669
Perimeter
38662035
Area
71916334854291
Altitude
11160768.157334
Surface area
71916334854291
Volume
2.5224590036446E+20
Height
6075152.6939937