12856891 is an odd 8-digits prime number following 12856890
and preceding 12856892 . In scientific notation, it is written as 1.2856891 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 12856890 positive integers (up to 12856891) that are relatively prime to 12856891.
12856891 has 2 divisors, whose sum is 12856892
The reverse of 12856891 is 19865821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million eight hundred fifty-six thousand eight hundred ninety-one
Scientific notation
1.2856891 × 10^7
Engineering notation
1.2856891 × 10^6
Prime Factorization
12856891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12856891
Product of the distinct prime numbers
The prime factorization of 12856891 is 12856891.
Since it has a total of 1 prime factors.
7 , 1 , 35 , 84 , 777 , 699 , 5169 , 8339 , 61080 , 33217 , 707131 , 806918 , 7452906 , 1264082 , 19226393 , 86441874 , 51700765 , 803801610 , 423062268 , 5242185659
n×2
25713782
n×3
38570673
n×4
51427564
n×5
64284455
n÷2
6428445.5
n÷3
4285630.3333333
n÷3
3214222.75
n÷5
2571378.2
n2
165299646185881
n3
2.1252395333504E+21
n4
2.7323973029177E+28
n5
3.5130134292307E+35
2 √n
3585.6507080306
3 √n
234.26746998593
4 √n
59.8803031725
5 √n
26.413575409194
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12856892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6428446
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3585.6508474753
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998444414
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12856891 can be divided by 2 positive divisors.
The sum of these divisors (counting 12856891) is 12856892, the average is 6428446.
Base
System
Value
2
Binary
110001000010111000111011
3
Ternary
220012012100011
4
Quaternary
301002320323
5
Quinary
11242410031
6
Senary
1135322351
8
Octal
61027073
10
Decimal
12856891
12
Duodecimal
43803b7
16
Hexadecimal
c42e3b
20
Vigesimal
40724b
36
Base36
7nkfv
md5
804ad5d4dec57e0e6cad1a0adf3533d5
sha1
237fdf7e595e88a8d3e994616a8611f9c0d54922
sha256
9e689e35af0162c8d471538d396fa72bd3273dbf147d80ea2b265d118fc6077c
sha512
debc76ed096018e9e35d905136c48918d0b0f1f5c5041698072c17ed1f7627a34592a70d6c15a11186454969f519e4c4b713dab92e0a381e01911ca3371fb912
ripemd-160
d96915cf8b1d502e66ab562c510dfb5b73d35cf8
Diameter
25713782
Circumference
80782228.627209
Area
5.1930415409856E+14
Volume
8.9021825401231E+21
Surface area
2.0772166163942E+15
Circumference
80782228.627209
Perimeter
51427564
Area
165299646185881
Diagonal
18182389.622153
Surface area
991797877115286
Volume
2.1252395333504E+21
Space diagonal
22268788.439375
Perimeter
38570673
Area
71576846416776
Altitude
11134394.219688
Surface area
71576846416776
Volume
2.504618809463E+20
Height
6060796.5407175