21492454 is an even 8-digits composite number following 21492453
and preceding 21492455 . In scientific notation, it is written as 2.1492454 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9922432 positive integers (up to 21492454) that are relatively prime to 21492454.
21492454 has 16 divisors, whose sum is 34782048
The reverse of 21492454 is 45429412
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-two thousand four hundred fifty-four
Scientific notation
2.1492454 × 10^7
Engineering notation
2.1492454 × 10^6
Prime Factorization
2 × 17 × 53 × 11927
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492454
Product of the distinct prime numbers
The prime factorization of 21492454 is 2 × 17 × 53 × 11927.
Since it has a total of 4 prime factors.
10 , 7 , 10 , 34 , 267 , 962 , 3622 , 8882 , 93270 , 2908 , 966594 , 588536 , 9478564 , 626522 , 19761531 , 27133269 , 117664527 , 473842210 , 1342633148 , 8802757627
n×2
42984908
n×3
64477362
n×4
85969816
n×5
107462270
n÷2
10746227
n÷3
7164151.3333333
n÷3
5373113.5
n÷5
4298490.8
n2
461925578942116
n3
9.9279142568368E+21
n4
2.1337524048101E+29
n5
4.585957540777E+36
2 √n
4635.9954702307
3 √n
278.032353083
4 √n
68.088144858196
5 √n
29.272323844733
1 , 2 , 17 , 34 , 53 , 106 , 901 , 1802 , 11927 , 23854 , 202759 , 405518 , 632131 , 1264262 , 10746227 , 21492454
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
-21492453
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 21492454 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492454) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111001011100110
3
Ternary
1111102221002211
4
Quaternary
1101333023212
5
Quinary
21000224304
6
Senary
2044354034
8
Octal
121771346
10
Decimal
21492454
12
Duodecimal
724591a
16
Hexadecimal
147f2e6
20
Vigesimal
6e6b2e
36
Base36
csnom
md5
d9264e6f5309cb8d9a7e280b618fb4d3
sha1
55c08de84d7d396f7a0cae7faf5d49945b015ef6
sha256
b5965208a3e27b06e833c24a596482acd5f63ad6cec2aaceb8f4f5a247d6fd2e
sha512
9f9a8a473c158563fb9be7a025a8ce1ad6e8eaeb47fc0caaf38179d875f3b4455a1ba28c4cbb939913d4770dc2c23e190f7a260c9b5efceeb5eea13acc262601
ripemd-160
2aaed6e94f1eb412fad1559d8a236ea21cf9c33e
Diameter
42984908
Circumference
135041071.18803
Area
1.4511820053098E+15
Volume
4.1585949992997E+22
Surface area
5.8047280212391E+15
Circumference
135041071.18803
Perimeter
85969816
Area
461925578942116
Diagonal
30394919.93548
Surface area
2771553473652696
Volume
9.9279142568368E+21
Space diagonal
37226022.307337
Perimeter
64477362
Area
2.0001964301085E+14
Altitude
18613011.153668
Surface area
2.0001964301085E+14
Volume
1.1700159156747E+21
Height
10131639.978493