21504454 is an even 8-digits composite number following 21504453
and preceding 21504455 . In scientific notation, it is written as 2.1504454 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 10591680 positive integers (up to 21504454) that are relatively prime to 21504454.
21504454 has 8 divisors, whose sum is 32738328
The reverse of 21504454 is 45440512
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million five hundred four thousand four hundred fifty-four
Scientific notation
2.1504454 × 10^7
Engineering notation
2.1504454 × 10^6
Prime Factorization
2 × 67 × 160481
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21504454
Product of the distinct prime numbers
The prime factorization of 21504454 is 2 × 67 × 160481.
Since it has a total of 3 prime factors.
6 , 2 , 18 , 55 , 851 , 885 , 6290 , 7842 , 75962 , 8471 , 66598 , 85358 , 5588623 , 6506387 , 31562447 , 58801201 , 98743423 , 96601192 , 5164966779 , 5824500462
n×2
43008908
n×3
64513362
n×4
86017816
n×5
107522270
n÷2
10752227
n÷3
7168151.3333333
n÷3
5376113.5
n÷5
4300890.8
n2
462441541838116
n3
9.9445528641468E+21
n4
2.1385217961761E+29
n5
4.5987743593867E+36
2 √n
4637.2895100479
3 √n
278.08408856635
4 √n
68.097646875996
5 √n
29.275591870453
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
-21504453
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 21504454 can be divided by 8 positive divisors.
The sum of these divisors (counting 21504454) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000010000111000110
3
Ternary
1111110112120021
4
Quaternary
1102002013012
5
Quinary
21001120304
6
Senary
2044525354
8
Octal
122020706
10
Decimal
21504454
12
Duodecimal
725085a
16
Hexadecimal
14821c6
20
Vigesimal
6e812e
36
Base36
cswxy
md5
478f897665dd4c5b92d528b6ff51f33c
sha1
fbb1444aa4bebc68b4c653184838eb419f4a286e
sha256
1cbca0e29e837ffb2d4fb8a9c55379d9da26294fb2238f050042dc47f094e808
sha512
a59f8c17e338411325c3f84e796385eab47b3a94d040430b3c53a03bb7e3af65b8ee1dbb6fc6d79f2675ea2505ebf39881807f4bb166176dddbdd930c6fed0b6
ripemd-160
7dd33ea34fe16b3dfd9d004c974477634c0b3ea7
Diameter
43008908
Circumference
135116469.41172
Area
1.4528029505534E+15
Volume
4.1655645628319E+22
Surface area
5.8112118022134E+15
Circumference
135116469.41172
Perimeter
86017816
Area
462441541838116
Diagonal
30411890.498228
Surface area
2774649251028696
Volume
9.9445528641468E+21
Space diagonal
37246806.917028
Perimeter
64513362
Area
2.0024306149853E+14
Altitude
18623403.458514
Surface area
2.0024306149853E+14
Volume
1.1719767943511E+21
Height
10137296.832743