21454025 is an odd 8-digits composite number following 21454024
and preceding 21454026 . In scientific notation, it is written as 2.1454025 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 17163200 positive integers (up to 21454025) that are relatively prime to 21454025.
21454025 has 4 divisors, whose sum is 22312212
The reverse of 21454025 is 52045412
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million four hundred fifty-four thousand twenty-five
Scientific notation
2.1454025 × 10^7
Engineering notation
2.1454025 × 10^6
Prime Factorization
25 × 858161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21454025
Product of the distinct prime numbers
The prime factorization of 21454025 is 25 × 858161.
Since it has a total of 2 prime factors.
5 , 6 , 12 , 25 , 19 , 892 , 1820 , 6523 , 34075 , 48804 , 699128 , 922351 , 8771813 , 9554571 , 30954760 , 10263231 , 506056598 , 869521139 , 866699097 , 7853908576
n×2
42908050
n×3
64362075
n×4
85816100
n×5
107270125
n÷2
10727012.5
n÷3
7151341.6666667
n÷3
5363506.25
n÷5
4290805
n2
460275188700625
n3
9.8747554052629E+21
n4
2.118532493334E+29
n5
4.5451049075299E+36
2 √n
4631.8489828577
3 √n
277.86654481565
4 √n
68.057688638814
5 √n
29.261848432847
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21454024
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21454025 can be divided by 4 positive divisors.
The sum of these divisors (counting 21454025) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001110101110011001001
3
Ternary
1111100222101112
4
Quaternary
1101311303021
5
Quinary
20443012100
6
Senary
2043500105
8
Octal
121656311
10
Decimal
21454025
12
Duodecimal
7227635
16
Hexadecimal
1475cc9
20
Vigesimal
6e1f15
36
Base36
cru15
md5
f8c1d7556aee0d884033eaaa25fe4517
sha1
9a3a35b8fdc7494d11755074d168c4eb12f9f49c
sha256
ce4fe7d39a1853a15bdf457095de2a1b7f11dc0713a1a17d5eca52283ba797b1
sha512
0a161fd6b52e89452386ff448cb3d173b6b28b19676d8ca18cf90f2c02eccff19a6241f5aa1b414870565a58052012d577848effa07b8816751e8d7ed7f88549
ripemd-160
12d812269a5a19fd287afab90beb4f0e597563af
Diameter
42908050
Circumference
134799614.65986
Area
1.4459971514515E+15
Volume
4.1363278716227E+22
Surface area
5.7839886058062E+15
Circumference
134799614.65986
Perimeter
85816100
Area
460275188700625
Diagonal
30340573.122491
Surface area
2761651132203750
Volume
9.8747554052629E+21
Space diagonal
37159461.326853
Perimeter
64362075
Area
1.9930500307321E+14
Altitude
18579730.663426
Surface area
1.9930500307321E+14
Volume
1.1637510849367E+21
Height
10113524.374164