12895721 is an odd 8-digits composite number following 12895720
and preceding 12895722 . In scientific notation, it is written as 1.2895721 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 12141360 positive integers (up to 12895721) that are relatively prime to 12895721.
12895721 has 8 divisors, whose sum is 13672704
The reverse of 12895721 is 12759821
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million eight hundred ninety-five thousand seven hundred twenty-one
Scientific notation
1.2895721 × 10^7
Engineering notation
1.2895721 × 10^6
Prime Factorization
31 × 37 × 11243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12895721
Product of the distinct prime numbers
The prime factorization of 12895721 is 31 × 37 × 11243.
Since it has a total of 3 prime factors.
2 , 10 , 26 , 74 , 149 , 263 , 2917 , 65 , 32978 , 60106 , 736124 , 651654 , 7489094 , 9393962 , 3323566 , 52142502 , 767091114 , 372055220 , 8001857976 , 1801762329
n×2
25791442
n×3
38687163
n×4
51582884
n×5
64478605
n÷2
6447860.5
n÷3
4298573.6666667
n÷3
3223930.25
n÷5
2579144.2
n2
166299620109841
n3
2.1445535033425E+21
n4
2.7655563648677E+28
n5
3.5663843291109E+35
2 √n
3591.0612637492
3 √n
234.50307550487
4 √n
59.925464234741
5 √n
26.429510868735
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
-12895720
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 12895721 can be divided by 8 positive divisors.
The sum of these divisors (counting 12895721) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001100010111101001
3
Ternary
220021011121022
4
Quaternary
301030113221
5
Quinary
11300130341
6
Senary
1140222225
8
Octal
61142751
10
Decimal
12895721
12
Duodecimal
439a975
16
Hexadecimal
c4c5e9
20
Vigesimal
40bj61
36
Base36
7oeeh
md5
99e72d3c3d780164179164682d3f89f8
sha1
59da3e751bd83489152b56452d79dd89d2acf1ad
sha256
1a07e7a20e4716df95eaa54d7022f56cb2be9c29a2f4dc2d15f3d4dd70b53afa
sha512
47b5531deca5193703a58cdc4b1419270d7974ce002694f9d55ceb6bfcd914624fbe6b4f99ab209bfe7e12a5af22826799a39634f4db407015472d01f104af1a
ripemd-160
9ad346c985539bad4909fec1373e82954184c84d
Diameter
25791442
Circumference
81026204.712687
Area
5.2244566483185E+14
Volume
8.9830847084414E+21
Surface area
2.0897826593274E+15
Circumference
81026204.712687
Perimeter
51582884
Area
166299620109841
Diagonal
18237303.53478
Surface area
997797720659046
Volume
2.1445535033425E+21
Space diagonal
22336043.972233
Perimeter
38687163
Area
72009847827412
Altitude
11168021.986116
Surface area
72009847827412
Volume
2.5273805413847E+20
Height
6079101.1782598