12856720 is an even 8-digits composite number following 12856719
and preceding 12856721 . In scientific notation, it is written as 1.2856720 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 5142656 positive integers (up to 12856720) that are relatively prime to 12856720.
12856720 has 20 divisors, whose sum is 29892060
The reverse of 12856720 is 02765821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million eight hundred fifty-six thousand seven hundred twenty
Scientific notation
1.2856720 × 10^7
Engineering notation
1.2856720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 160709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1607090
Product of the distinct prime numbers
The prime factorization of 12856720 is 2 × 2 × 2 × 2 × 5 × 160709.
Since it has a total of 6 prime factors.
4 , 6 , 93 , 22 , 485 , 914 , 4706 , 4413 , 80998 , 16100 , 171967 , 420546 , 1637689 , 5314922 , 22549191 , 92045026 , 703117089 , 683194471 , 42477814 , 5597548624
n×2
25713440
n×3
38570160
n×4
51426880
n×5
64283600
n÷2
6428360
n÷3
4285573.3333333
n÷3
3214180
n÷5
2571344
n2
165295249158400
n3
2.1251547357598E+21
n4
2.7322519394338E+28
n5
3.5127798154757E+35
2 √n
3585.626862907
3 √n
234.2664313752
4 √n
59.880104065599
5 √n
26.413505147334
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 160709 , 321418 , 642836 , 803545 , 1285672 , 1607090 , 2571344 , 3214180 , 6428360 , 12856720
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12856719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12856720 can be divided by 20 positive divisors.
The sum of these divisors (counting 12856720) is 1, the average is 0.05.
Base
System
Value
2
Binary
110001000010110110010000
3
Ternary
220012012002211
4
Quaternary
301002312100
5
Quinary
11242403340
6
Senary
1135321504
8
Octal
61026620
10
Decimal
12856720
12
Duodecimal
4380294
16
Hexadecimal
c42d90
20
Vigesimal
4071g0
36
Base36
7nkb4
md5
b2218ef576da5186e6047ac8e1766c49
sha1
ee37c00d520a23a494ceef2a4a772a8c2df6d88e
sha256
97beff29d19ff966852faabf17e48bd5b0a9a980aec67a42bee8e17fdb8f80f0
sha512
bd6a123399a5cdba35a1ffeb6590ee39d3336022d8c9046350036741ec426361bc69f248391b2ab95e2f2512ef77ba31cc097fe7125092fc3c7fe359f6cd9bdd
ripemd-160
deaf5edd50137c3e6e4d485eb998c490ae6ffffa
Diameter
25713440
Circumference
80781154.202522
Area
5.1929034042932E+14
Volume
8.901827340806E+21
Surface area
2.0771613617173E+15
Circumference
80781154.202522
Perimeter
51426880
Area
165295249158400
Diagonal
18182147.791633
Surface area
991771494950400
Volume
2.1251547357598E+21
Space diagonal
22268492.258687
Perimeter
38570160
Area
71574942448026
Altitude
11134246.129343
Surface area
71574942448026
Volume
2.5045188745441E+20
Height
6060715.9305445