21495798 is an even 8-digits composite number following 21495797
and preceding 21495799 . In scientific notation, it is written as 2.1495798 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 7165260 positive integers (up to 21495798) that are relatively prime to 21495798.
21495798 has 12 divisors, whose sum is 46574268
The reverse of 21495798 is 89759412
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million four hundred ninety-five thousand seven hundred ninety-eight
Scientific notation
2.1495798 × 10^7
Engineering notation
2.1495798 × 10^6
Prime Factorization
2 × 3 × 3 × 1194211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7165266
Product of the distinct prime numbers
The prime factorization of 21495798 is 2 × 3 × 3 × 1194211.
Since it has a total of 4 prime factors.
6 , 2 , 36 , 5 , 792 , 283 , 2801 , 8327 , 78024 , 17777 , 337994 , 174923 , 4109726 , 5616296 , 39317517 , 36755623 , 693703398 , 587845378 , 6243121636 , 4791373929
n×2
42991596
n×3
64487394
n×4
85983192
n×5
107478990
n÷2
10747899
n÷3
7165266
n÷3
5373949.5
n÷5
4299159.6
n2
462069331656804
n3
9.9325490152897E+21
n4
2.1350806725777E+29
n5
4.5895262851433E+36
2 √n
4636.3561122934
3 √n
278.04677197274
4 √n
68.090793153652
5 √n
29.273234681247
1 , 2 , 3 , 6 , 9 , 18 , 1194211 , 2388422 , 3582633 , 7165266 , 10747899 , 21495798
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21495797
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21495798 can be divided by 12 positive divisors.
The sum of these divisors (counting 21495798) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111111111110110
3
Ternary
1111110002200200
4
Quaternary
1101333333312
5
Quinary
21000331143
6
Senary
2044421330
8
Octal
121777766
10
Decimal
21495798
12
Duodecimal
7247846
16
Hexadecimal
147fff6
20
Vigesimal
6e6j9i
36
Base36
csq9i
md5
c6ce40aff6dc423d0a4094ca2a60416c
sha1
10207f58797c278fa14ba1eeadd71d8b7d2b73ab
sha256
eaa80b40982575a64241b092badc80125075e456935497f18840b2b07763c1dc
sha512
5f586be45810aaf4fb2093d25f96be31f6aac5f9d462cb9dd93a8cfcfb71d5adffb1d10b23bf0cad9a0a12d8cad70faca64cbd68963cdfa24765684497940d40
ripemd-160
d1cf03ca544bb0dcefdaabad73f4bc4743311612
Diameter
42991596
Circumference
135062082.1597
Area
1.4516336177822E+15
Volume
4.1605364023806E+22
Surface area
5.8065344711286E+15
Circumference
135062082.1597
Perimeter
85983192
Area
462069331656804
Diagonal
30399649.065632
Surface area
2772415989940824
Volume
9.9325490152897E+21
Space diagonal
37231814.285237
Perimeter
64487394
Area
2.0008188976224E+14
Altitude
18615907.142619
Surface area
2.0008188976224E+14
Volume
1.1705621271965E+21
Height
10133216.355211