12857521 is an odd 8-digits prime number following 12857520
and preceding 12857522 . In scientific notation, it is written as 1.2857521 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 12857520 positive integers (up to 12857521) that are relatively prime to 12857521.
12857521 has 2 divisors, whose sum is 12857522
The reverse of 12857521 is 12575821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million eight hundred fifty-seven thousand five hundred twenty-one
Scientific notation
1.2857521 × 10^7
Engineering notation
1.2857521 × 10^6
Prime Factorization
12857521
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12857521
Product of the distinct prime numbers
The prime factorization of 12857521 is 12857521.
Since it has a total of 1 prime factors.
4 , 3 , 16 , 44 , 674 , 959 , 3063 , 9125 , 65146 , 67055 , 625988 , 61150 , 1922186 , 5917661 , 31203693 , 8694085 , 23976273 , 76655707 , 1834650295 , 7952017913
n×2
25715042
n×3
38572563
n×4
51430084
n×5
64287605
n÷2
6428760.5
n÷3
4285840.3333333
n÷3
3214380.25
n÷5
2571504.2
n2
165315846265441
n3
2.1255519649907E+21
n4
2.7329329026459E+28
n5
3.5138742187361E+35
2 √n
3585.7385571176
3 √n
234.27129636707
4 √n
59.881036707105
5 √n
26.413834262231
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12857522
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6428761
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3585.7386965589
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999844449
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12857521 can be divided by 2 positive divisors.
The sum of these divisors (counting 12857521) is 12857522, the average is 6428761.
Base
System
Value
2
Binary
110001000011000010110001
3
Ternary
220012020012111
4
Quaternary
301003002301
5
Quinary
11242420041
6
Senary
1135325321
8
Octal
61030261
10
Decimal
12857521
12
Duodecimal
4380841
16
Hexadecimal
c430b1
20
Vigesimal
4073g1
36
Base36
7nkxd
md5
a5ba37b9e3e5db097f1c338350face86
sha1
1443150ab36b939f2f04b4b93312d3f4dfbc9ea8
sha256
cce2648acf3e1c525c24eed41cb3f511def96e7dda6280cd19d7ed1d651f9718
sha512
9ee6e3f60231b37ac9c5e3542461f36fcdfeaf2daeebdd71b5123db8e1da0cc2c129bc89b0abe273f3aa0287e6c537c4a71f63887d17c53bc383b67bb9eea6d5
ripemd-160
c40e38f0439bc76965dbe6517439d5a2613095af
Diameter
25715042
Circumference
80786187.033953
Area
5.1935504814949E+14
Volume
8.9034912507174E+21
Surface area
2.077420192598E+15
Circumference
80786187.033953
Perimeter
51430084
Area
165315846265441
Diagonal
18183280.576697
Surface area
991895077592646
Volume
2.1255519649907E+21
Space diagonal
22269879.631384
Perimeter
38572563
Area
71583861256997
Altitude
11134939.815692
Surface area
71583861256997
Volume
2.5049870136822E+20
Height
6061093.5255656