21001310 is an even 8-digits composite number following 21001309
and preceding 21001311 . In scientific notation, it is written as 2.1001310 × 10^7.
The sum of its digits is 8. It has a total of 3 prime factors and 8 positive divisors.
There are 7636800 positive integers (up to 21001310) that are relatively prime to 21001310.
21001310 has 8 divisors, whose sum is 32074896
The reverse of 21001310 is 01310012
Previous prime number is 55
Is Prime? no
Number parity even
Number length 8
Sum of Digits 8
Digital Root 8
Name
twenty-one million one thousand three hundred ten
Scientific notation
2.1001310 × 10^7
Engineering notation
2.1001310 × 10^6
Prime Factorization
2 × 55 × 190921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21001310
Product of the distinct prime numbers
The prime factorization of 21001310 is 2 × 55 × 190921.
Since it has a total of 3 prime factors.
7 , 1 , 57 , 21 , 528 , 340 , 3983 , 4689 , 75488 , 43339 , 916471 , 813412 , 9399720 , 5185 , 83357906 , 45236226 , 188100077 , 594665666 , 3419647984 , 9926494412
n×2
42002620
n×3
63003930
n×4
84005240
n×5
105006550
n÷2
10500655
n÷3
7000436.6666667
n÷3
5250327.5
n÷5
4200262
n2
441055021716100
n3
9.2627332381165E+21
n4
1.9452953218099E+29
n5
4.0853750094879E+36
2 √n
4582.7186254449
3 √n
275.89815432942
4 √n
67.695779967772
5 √n
29.137298094637
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
-21001309
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 21001310 can be divided by 8 positive divisors.
The sum of these divisors (counting 21001310) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111010001011110
3
Ternary
1110111222101022
4
Quaternary
1100013101132
5
Quinary
20334020220
6
Senary
2030044142
8
Octal
120072136
10
Decimal
21001310
12
Duodecimal
7049652
16
Hexadecimal
140745e
20
Vigesimal
6b535a
36
Base36
ci4pq
md5
8548032e7a4d0c541bc63c575d7d7e59
sha1
335fbccc6364aa324aafa126d1be20d6bb5484f5
sha256
d18a4d8da1f8217b82c00fbb2c7975b90dd467ecd2f0a9f9eebd02b2d6b25d1a
sha512
bd74cc23d1f99535cb6a2310acbf1d508b655788fd9aa12c75ad7aa1ba7da9384b601f4c7e7f99c9885e5aba2590e7485e53af287e133f71821c453deb818747
ripemd-160
5194d2e90c0774810560a05c7ef828244d287dbc
Diameter
42002620
Circumference
131955122.42352
Area
1.3856152160522E+15
Volume
3.8799646257372E+22
Surface area
5.5424608642087E+15
Circumference
131955122.42352
Perimeter
84005240
Area
441055021716100
Diagonal
29700337.429602
Surface area
2646330130296600
Volume
9.2627332381165E+21
Space diagonal
36375335.945504
Perimeter
63003930
Area
1.9098242663642E+14
Altitude
18187667.972752
Surface area
1.9098242663642E+14
Volume
1.0916235808324E+21
Height
9900112.4765339