21000454 is an even 8-digits composite number following 21000453
and preceding 21000455 . In scientific notation, it is written as 2.1000454 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 10161480 positive integers (up to 21000454) that are relatively prime to 21000454.
21000454 has 8 divisors, whose sum is 32516928
The reverse of 21000454 is 45400012
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million four hundred fifty-four
Scientific notation
2.1000454 × 10^7
Engineering notation
2.1000454 × 10^6
Prime Factorization
2 × 31 × 338717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000454
Product of the distinct prime numbers
The prime factorization of 21000454 is 2 × 31 × 338717.
Since it has a total of 3 prime factors.
7 , 9 , 5 , 15 , 505 , 379 , 9560 , 2162 , 63226 , 24792 , 77642 , 397797 , 5278616 , 5135005 , 22511583 , 95447410 , 327689959 , 237243727 , 4530424352 , 5521414289
n×2
42000908
n×3
63001362
n×4
84001816
n×5
105002270
n÷2
10500227
n÷3
7000151.3333333
n÷3
5250113.5
n÷5
4200090.8
n2
441019068206116
n3
9.2616006549854E+21
n4
1.9449781852139E+29
n5
4.0845424909588E+36
2 √n
4582.6252301492
3 √n
275.89440580089
4 √n
67.695090148025
5 √n
29.137060567228
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
-21000453
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 21000454 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000454) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111000100000110
3
Ternary
1110111221012121
4
Quaternary
1100013010012
5
Quinary
20334003304
6
Senary
2030040154
8
Octal
120070406
10
Decimal
21000454
12
Duodecimal
704905a
16
Hexadecimal
1407106
20
Vigesimal
6b512e
36
Base36
ci41y
md5
92ac74a4cc3eb460fc60069efa34c404
sha1
193a8ca17501d3e43934fae634833f78cdc9f398
sha256
74cc153d4b6b51de95141164f529257df818ea2f9787d5011cbb4f9c46bcb831
sha512
72c6f95fdb0e1192fac54613ccbd4e134d313e83c49dbf426d7fe51efcb1bdb55c06ae3339ce17a6cf39426e866acbd51550d84db1b7f07025882b6e70ee235e
ripemd-160
f232010ce55303b80579972f01783082ab87c2de
Diameter
42000908
Circumference
131949744.0169
Area
1.3855022647694E+15
Volume
3.8794902104246E+22
Surface area
5.5420090590774E+15
Circumference
131949744.0169
Perimeter
84001816
Area
441019068206116
Diagonal
29699126.862792
Surface area
2646114409236696
Volume
9.2616006549854E+21
Space diagonal
36373853.310013
Perimeter
63001362
Area
1.9096685830992E+14
Altitude
18186926.655007
Surface area
1.9096685830992E+14
Volume
1.0914901046303E+21
Height
9899708.9542641