21000860 is an even 8-digits composite number following 21000859
and preceding 21000861 . In scientific notation, it is written as 2.1000860 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors.
There are 8383680 positive integers (up to 21000860) that are relatively prime to 21000860.
21000860 has 24 divisors, whose sum is 44189376
The reverse of 21000860 is 06800012
Previous prime number is 853
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million eight hundred sixty
Scientific notation
2.1000860 × 10^7
Engineering notation
2.1000860 × 10^6
Prime Factorization
2 × 2 × 5 × 853 × 1231
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10500430
Product of the distinct prime numbers
The prime factorization of 21000860 is 2 × 2 × 5 × 853 × 1231.
Since it has a total of 5 prime factors.
7 , 7 , 60 , 73 , 831 , 332 , 1325 , 6485 , 18779 , 238 , 930192 , 96393 , 7014844 , 3181814 , 61268227 , 74846906 , 957610612 , 216272838 , 581398617 , 7700362659
n×2
42001720
n×3
63002580
n×4
84003440
n×5
105004300
n÷2
10500430
n÷3
7000286.6666667
n÷3
5250215
n÷5
4200172
n2
441036120739600
n3
9.2621378265954E+21
n4
1.9451285979704E+29
n5
4.0849373367972E+36
2 √n
4582.669527688
3 √n
275.89618373717
4 √n
67.695417331515
5 √n
29.137173227222
1 , 2 , 4 , 5 , 10 , 20 , 853 , 1231 , 1706 , 2462 , 3412 , 4265 , 4924 , 6155 , 8530 , 12310 , 17060 , 24620 , 1050043 , 2100086 , 4200172 , 5250215 , 10500430 , 21000860
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000859
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000860 can be divided by 24 positive divisors.
The sum of these divisors (counting 21000860) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111001010011100
3
Ternary
1110111221202122
4
Quaternary
1100013022130
5
Quinary
20334011420
6
Senary
2030042112
8
Octal
120071234
10
Decimal
21000860
12
Duodecimal
7049338
16
Hexadecimal
140729c
20
Vigesimal
6b5230
36
Base36
ci4d8
md5
cb9f7056d8d0cf771e57c3c19e3815d0
sha1
5076e496ad75d9d390ce5e4f219b4098563d4387
sha256
d80822c953872133343f8ab05d6406ff9e7f6e3fd4345d705e69d2b9667fe55d
sha512
9f35669a8ccfb91aebc0f32d6705d5b52c5f6ee6927f5642bdf2cb91fada192b1435549913028bb72c83107e8b4f8f10788e1e27a881294ab4fcc4a7453b5459
ripemd-160
5e445d451897fcc5bf8489646bbcde320216c071
Diameter
42001720
Circumference
131952294.99014
Area
1.3855558368833E+15
Volume
3.8797152203424E+22
Surface area
5.5422233475331E+15
Circumference
131952294.99014
Perimeter
84003440
Area
441036120739600
Diagonal
29699701.033499
Surface area
2646216724437600
Volume
9.2621378265954E+21
Space diagonal
36374556.522641
Perimeter
63002580
Area
1.9097424227352E+14
Altitude
18187278.26132
Surface area
1.9097424227352E+14
Volume
1.0915534109117E+21
Height
9899900.3444995