12856865 is an odd 8-digits composite number following 12856864
and preceding 12856866 . In scientific notation, it is written as 1.2856865 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors.
There are 8709120 positive integers (up to 12856865) that are relatively prime to 12856865.
12856865 has 24 divisors, whose sum is 18165672
The reverse of 12856865 is 56865821
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million eight hundred fifty-six thousand eight hundred sixty-five
Scientific notation
1.2856865 × 10^7
Engineering notation
1.2856865 × 10^6
Prime Factorization
5 × 7 × 7 × 97 × 541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1836695
Product of the distinct prime numbers
The prime factorization of 12856865 is 5 × 7 × 7 × 97 × 541.
Since it has a total of 5 prime factors.
8 , 3 , 22 , 2 , 799 , 648 , 8470 , 2239 , 71313 , 22456 , 842775 , 841385 , 3206393 , 1986201 , 51955767 , 70692637 , 219564398 , 416734768 , 6326028950 , 4753908828
n×2
25713730
n×3
38570595
n×4
51427460
n×5
64284325
n÷2
6428432.5
n÷3
4285621.6666667
n÷3
3214216.25
n÷5
2571373
n2
165298977628225
n3
2.1252266400041E+21
n4
2.7323752004936E+28
n5
3.5129779082095E+35
2 √n
3585.6470824664
3 √n
234.26731206911
4 √n
59.880272899064
5 √n
26.413564726153
1 , 5 , 7 , 35 , 49 , 97 , 245 , 485 , 541 , 679 , 2705 , 3395 , 3787 , 4753 , 18935 , 23765 , 26509 , 52477 , 132545 , 262385 , 367339 , 1836695 , 2571373 , 12856865
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
-12856864
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 12856865 can be divided by 24 positive divisors.
The sum of these divisors (counting 12856865) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001000010111000100001
3
Ternary
220012012022012
4
Quaternary
301002320201
5
Quinary
11242404430
6
Senary
1135322305
8
Octal
61027041
10
Decimal
12856865
12
Duodecimal
4380395
16
Hexadecimal
c42e21
20
Vigesimal
407235
36
Base36
7nkf5
md5
1ed15e73598417d373eacabf18e36a1d
sha1
a595c98707e5f35af2e462707a2fb2b65049ce6a
sha256
d94f94f4afb3e95785737d846a3af42b7f8b52b59ea0bb243fa487ba09febc7e
sha512
46284f962b811b37a493049d6e65034a2a65c39bd5ec3865c03b9161d10a1c6d0976acec008d79ed215378b0cb82868dcbc6e8ac2494f509b2084406644f6b3c
ripemd-160
a7d37337213df007b41593d5de0b79ea22176e2c
Diameter
25713730
Circumference
80782065.264391
Area
5.1930205376274E+14
Volume
8.9021285326003E+21
Surface area
2.0772082150509E+15
Circumference
80782065.264391
Perimeter
51427460
Area
165298977628225
Diagonal
18182352.8526
Surface area
991793865769350
Volume
2.1252266400041E+21
Space diagonal
22268743.406054
Perimeter
38570595
Area
71576556922819
Altitude
11134371.703027
Surface area
71576556922819
Volume
2.5046036145087E+20
Height
6060784.2842