21000530 is an even 8-digits composite number following 21000529
and preceding 21000531 . In scientific notation, it is written as 2.1000530 × 10^7.
The sum of its digits is 11. It has a total of 3 prime factors and 8 positive divisors.
There are 8400208 positive integers (up to 21000530) that are relatively prime to 21000530.
21000530 has 8 divisors, whose sum is 37800972
The reverse of 21000530 is 03500012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 11
Digital Root 2
Name
twenty-one million five hundred thirty
Scientific notation
2.1000530 × 10^7
Engineering notation
2.1000530 × 10^6
Prime Factorization
2 × 5 × 2100053
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000530
Product of the distinct prime numbers
The prime factorization of 21000530 is 2 × 5 × 2100053.
Since it has a total of 3 prime factors.
7 , 3 , 87 , 84 , 954 , 596 , 6314 , 7729 , 87408 , 98831 , 209543 , 524653 , 6699982 , 3259780 , 3543665 , 87102269 , 883204708 , 661834809 , 5461741875 , 9435744384
n×2
42001060
n×3
63001590
n×4
84002120
n×5
105002650
n÷2
10500265
n÷3
7000176.6666667
n÷3
5250132.5
n÷5
4200106
n2
441022260280900
n3
9.2617012076968E+21
n4
1.9450063406327E+29
n5
4.0846164006648E+36
2 √n
4582.6335223319
3 √n
275.89473861829
4 √n
67.695151394556
5 √n
29.137081656423
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
-21000529
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 21000530 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000530) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111000101010010
3
Ternary
1110111221022102
4
Quaternary
1100013011102
5
Quinary
20334004110
6
Senary
2030040402
8
Octal
120070522
10
Decimal
21000530
12
Duodecimal
7049102
16
Hexadecimal
1407152
20
Vigesimal
6b516a
36
Base36
ci442
md5
e134712040cc053ef5786dc9fa763c1e
sha1
dcc6a34e39f2d17fdd851face850f6a91e00f7db
sha256
e17ebd1cd1644d55ae98ca14327657452761d8aee0589af61b3e7cda9257e493
sha512
3810e79ee1da32e07b74c4b36224c1e7f545ade82c8632af8382156b2308df5e7cb6490eda59784227a8140ac8380fef4bff12f253bc9b8c4181340df4065240
ripemd-160
fd3c6e939aaad74ebdffe4214a26e00f296298b6
Diameter
42001060
Circumference
131950221.53898
Area
1.385512292968E+15
Volume
3.8795323298459E+22
Surface area
5.5420491718722E+15
Circumference
131950221.53898
Perimeter
84002120
Area
441022260280900
Diagonal
29699234.343023
Surface area
2646133561685400
Volume
9.2617012076968E+21
Space diagonal
36373984.945874
Perimeter
63001590
Area
1.9096824051885E+14
Altitude
18186992.472937
Surface area
1.9096824051885E+14
Volume
1.091501954881E+21
Height
9899744.7810077