21000250 is an even 8-digits composite number following 21000249
and preceding 21000251 . In scientific notation, it is written as 2.1000250 × 10^7.
The sum of its digits is 10. It has a total of 4 prime factors and 16 positive divisors.
There are 8333200 positive integers (up to 21000250) that are relatively prime to 21000250.
21000250 has 16 divisors, whose sum is 32006016
The reverse of 21000250 is 05200012
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 10
Digital Root 1
Name
twenty-one million two hundred fifty
Scientific notation
2.1000250 × 10^7
Engineering notation
2.1000250 × 10^6
Prime Factorization
2 × 125 × 167 × 503
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21000250
Product of the distinct prime numbers
The prime factorization of 21000250 is 2 × 125 × 167 × 503.
Since it has a total of 4 prime factors.
9 , 3 , 96 , 18 , 72 , 861 , 808 , 538 , 97825 , 55231 , 163171 , 738377 , 510783 , 5235307 , 94826329 , 26668656 , 126537295 , 668351899 , 1663367610 , 5991630176
n×2
42000500
n×3
63000750
n×4
84001000
n×5
105001250
n÷2
10500125
n÷3
7000083.3333333
n÷3
5250062.5
n÷5
4200050
n2
441010500062500
n3
9.2613307539375E+21
n4
1.9449026116538E+29
n5
4.0843441070382E+36
2 √n
4582.6029721109
3 √n
275.89351244495
4 √n
67.694925748618
5 √n
29.137003959085
1 , 2 , 125 , 167 , 250 , 334 , 503 , 1006 , 20875 , 41750 , 62875 , 84001 , 125750 , 168002 , 10500125 , 21000250
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
-21000249
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 21000250 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000250) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000000111010
3
Ternary
1110111220221001
4
Quaternary
1100013000322
5
Quinary
20334002000
6
Senary
2030035214
8
Octal
120070072
10
Decimal
21000250
12
Duodecimal
7048b0a
16
Hexadecimal
140703a
20
Vigesimal
6b50ca
36
Base36
ci3wa
md5
eeb9b2e16a7e56a6852715432a54f2a1
sha1
d59ca57f7417969e61dece8d72235692cb8532ad
sha256
4b022253597d1b7da09d4cab4eacf0d7736d949216406f335bbd1d804183e6ca
sha512
8ffe5ddfc7f338b69fc22174df8c8d6eb50152e0c8188c40bea924715f5bea4b6699ee5b615f2de4161797d5662ce392846fb9aa1ee662fe2d15afdaa7831b64
ripemd-160
5174d52df6432fd754d6599cd2d20dbc78c1b3fc
Diameter
42000500
Circumference
131948462.2471
Area
1.3854753471523E+15
Volume
3.879377154538E+22
Surface area
5.5419013886092E+15
Circumference
131948462.2471
Perimeter
84001000
Area
441010500062500
Diagonal
29698838.363226
Surface area
2646063000375000
Volume
9.2613307539375E+21
Space diagonal
36373499.971648
Perimeter
63000750
Area
1.909631481949E+14
Altitude
18186749.985824
Surface area
1.909631481949E+14
Volume
1.0914582964868E+21
Height
9899612.7877419