21000513 is an odd 8-digits composite number following 21000512
and preceding 21000514 . In scientific notation, it is written as 2.1000513 × 10^7.
The sum of its digits is 12. It has a total of 2 prime factors and 4 positive divisors.
There are 14000340 positive integers (up to 21000513) that are relatively prime to 21000513.
21000513 has 4 divisors, whose sum is 28000688
The reverse of 21000513 is 31500012
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million five hundred thirteen
Scientific notation
2.1000513 × 10^7
Engineering notation
2.1000513 × 10^6
Prime Factorization
3 × 7000171
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21000513
Product of the distinct prime numbers
The prime factorization of 21000513 is 3 × 7000171.
Since it has a total of 2 prime factors.
9 , 7 , 67 , 94 , 402 , 423 , 9999 , 6324 , 85204 , 72956 , 472049 , 42699 , 5152124 , 3077098 , 72122467 , 79348041 , 766191516 , 540621363 , 6888063391 , 9005307902
n×2
42001026
n×3
63001539
n×4
84002052
n×5
105002565
n÷2
10500256.5
n÷3
7000171
n÷3
5250128.25
n÷5
4200102.6
n2
441021546263169
n3
9.2616787155798E+21
n4
1.9450000426836E+29
n5
4.0845998681377E+36
2 √n
4582.6316675029
3 √n
275.89466417236
4 √n
67.695137694689
5 √n
29.137076939108
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000512
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000513 can be divided by 4 positive divisors.
The sum of these divisors (counting 21000513) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000111000101000001
3
Ternary
1110111221021210
4
Quaternary
1100013011001
5
Quinary
20334004023
6
Senary
2030040333
8
Octal
120070501
10
Decimal
21000513
12
Duodecimal
70490a9
16
Hexadecimal
1407141
20
Vigesimal
6b515d
36
Base36
ci43l
md5
be9f3266a71f5d5744788711b20d4a15
sha1
5e3493888cb39bcb930bebe7afe79fb74b132221
sha256
41c7a42c8ad25fe71b4a414a5308a1b131c807033e9cb7790bde50d161b273f6
sha512
dcec7a7b33a9266d54b855296d2689f34657fe8fffdbd2bfa8e769c8b8ca26866e0cb5f2b2550d206c172bd7f24cabbc4ecbd0ff69c09734f87944099dcf9909
ripemd-160
a410d3ba731dbd7a417652e3ad12e5cdd218ddf2
Diameter
42001026
Circumference
131950114.72483
Area
1.3855100498152E+15
Volume
3.8795229083699E+22
Surface area
5.5420401992607E+15
Circumference
131950114.72483
Perimeter
84002052
Area
441021546263169
Diagonal
29699210.301392
Surface area
2646129277579014
Volume
9.2616787155798E+21
Space diagonal
36373955.501011
Perimeter
63001539
Area
1.909679313401E+14
Altitude
18186977.750505
Surface area
1.909679313401E+14
Volume
1.0914993041596E+21
Height
9899736.7671308