12885021 is an odd 8-digits composite number following 12885020
and preceding 12885022 . In scientific notation, it is written as 1.2885021 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 8137584 positive integers (up to 12885021) that are relatively prime to 12885021.
12885021 has 16 divisors, whose sum is 20094400
The reverse of 12885021 is 12058821
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million eight hundred eighty-five thousand twenty-one
Scientific notation
1.2885021 × 10^7
Engineering notation
1.2885021 × 10^6
Prime Factorization
3 × 3 × 3 × 19 × 25117
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1431669
Product of the distinct prime numbers
The prime factorization of 12885021 is 3 × 3 × 3 × 19 × 25117.
Since it has a total of 5 prime factors.
4 , 7 , 56 , 86 , 637 , 956 , 6888 , 6064 , 62704 , 75563 , 452196 , 78070 , 5657808 , 9379849 , 57794038 , 57120940 , 188455506 , 214628090 , 9726314485 , 3057076008
n×2
25770042
n×3
38655063
n×4
51540084
n×5
64425105
n÷2
6442510.5
n÷3
4295007
n÷3
3221255.25
n÷5
2577004.2
n2
166023766170441
n3
2.1392197136052E+21
n4
2.7563890933417E+28
n5
3.5516131351879E+35
2 √n
3589.5711443012
3 √n
234.43819927677
4 √n
59.913029837434
5 √n
26.425123527058
1 , 3 , 9 , 19 , 27 , 57 , 171 , 513 , 25117 , 75351 , 226053 , 477223 , 678159 , 1431669 , 4295007 , 12885021
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12885020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12885021 can be divided by 16 positive divisors.
The sum of these divisors (counting 12885021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001001110000011101
3
Ternary
220020121221000
4
Quaternary
301021300131
5
Quinary
11244310041
6
Senary
1140100513
8
Octal
61116035
10
Decimal
12885021
12
Duodecimal
4394739
16
Hexadecimal
c49c1d
20
Vigesimal
40acb1
36
Base36
7o659
md5
0571fe4e92847d9b9fe8ae38f3616886
sha1
268af19858c6cd12398932012e1bd0a1e168c4d6
sha256
c6ce8d9f903011041fa5dd81b13616975f957d521e3ca6d2f93b496de7217906
sha512
7234f9a7e89cbab25c0cef74a7ac08550ea83fa26f1f237922716519bf61c84a782c6afd30825cff267cc0cffee91d52f144e138e9fe82dbe39ca9c521df2b35
ripemd-160
b283c78b3baf3b9b9eb5761808b353b8cbc970f3
Diameter
25770042
Circumference
80958974.6299
Area
5.2157904412237E+14
Volume
8.9607425822355E+21
Surface area
2.0863161764895E+15
Circumference
80958974.6299
Perimeter
51540084
Area
166023766170441
Diagonal
18222171.449662
Surface area
996142597022646
Volume
2.1392197136052E+21
Space diagonal
22317511.028592
Perimeter
38655063
Area
71890399567785
Altitude
11158755.514296
Surface area
71890399567785
Volume
2.521094609897E+20
Height
6074057.1498874