21000542 is an even 8-digits composite number following 21000541
and preceding 21000543 . In scientific notation, it is written as 2.1000542 × 10^7.
The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors.
There are 9855360 positive integers (up to 21000542) that are relatively prime to 21000542.
21000542 has 16 divisors, whose sum is 33445872
The reverse of 21000542 is 24500012
Previous prime number is 1181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million five hundred forty-two
Scientific notation
2.1000542 × 10^7
Engineering notation
2.1000542 × 10^6
Prime Factorization
2 × 17 × 1181 × 523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21000542
Product of the distinct prime numbers
The prime factorization of 21000542 is 2 × 17 × 1181 × 523.
Since it has a total of 4 prime factors.
2 , 2 , 16 , 37 , 349 , 415 , 5115 , 9425 , 61923 , 54060 , 859446 , 769394 , 6905440 , 4491487 , 96492835 , 58508779 , 938115430 , 911539856 , 4586312573 , 7153169114
n×2
42001084
n×3
63001626
n×4
84002168
n×5
105002710
n÷2
10500271
n÷3
7000180.6666667
n÷3
5250135.5
n÷5
4200108.4
n2
441022764293764
n3
9.2617170845073E+21
n4
1.9450107862531E+29
n5
4.0846280707162E+36
2 √n
4582.6348316225
3 √n
275.89479116833
4 √n
67.695161065046
5 √n
29.137084986291
1 , 2 , 17 , 34 , 523 , 1046 , 1181 , 2362 , 8891 , 17782 , 20077 , 40154 , 617663 , 1235326 , 10500271 , 21000542
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
-21000541
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 21000542 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000542) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000101011110
3
Ternary
1110111221022212
4
Quaternary
1100013011132
5
Quinary
20334004132
6
Senary
2030040422
8
Octal
120070536
10
Decimal
21000542
12
Duodecimal
7049112
16
Hexadecimal
140715e
20
Vigesimal
6b5172
36
Base36
ci44e
md5
bf66543e9146e1df234c57291caf7885
sha1
d54206b23dff4a494b7eb0b7334b4e1bad19f072
sha256
b264d3b9ba06f85fd04349e83bb842fd9ff6a422dc7023be4d05a000d0dabc78
sha512
c183009eea010bc83207828dff1a04d176f8e3f843a425b74dc433d8aa3987332161b28ede9fba058c6e00334c21e2d282e41f862a175a09a0bfa80d9fe39180
ripemd-160
19629fe648694bbc3523987a9719806f983343d1
Diameter
42001084
Circumference
131950296.93721
Area
1.3855138763712E+15
Volume
3.8795389803087E+22
Surface area
5.5420555054846E+15
Circumference
131950296.93721
Perimeter
84002168
Area
441022764293764
Diagonal
29699251.313586
Surface area
2646136585762584
Volume
9.2617170845073E+21
Space diagonal
36374005.730484
Perimeter
63001626
Area
1.9096845876282E+14
Altitude
18187002.865242
Surface area
1.9096845876282E+14
Volume
1.0915038259811E+21
Height
9899750.4378619