21495968 is an even 8-digits composite number following 21495967
and preceding 21495969 . In scientific notation, it is written as 2.1495968 × 10^7.
The sum of its digits is 44. It has a total of 7 prime factors and 24 positive divisors.
There are 9921024 positive integers (up to 21495968) that are relatively prime to 21495968.
21495968 has 24 divisors, whose sum is 45576468
The reverse of 21495968 is 86959412
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million four hundred ninety-five thousand nine hundred sixty-eight
Scientific notation
2.1495968 × 10^7
Engineering notation
2.1495968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 13 × 51673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1343498
Product of the distinct prime numbers
The prime factorization of 21495968 is 2 × 2 × 2 × 2 × 2 × 13 × 51673.
Since it has a total of 7 prime factors.
3 , 9 , 36 , 2 , 192 , 485 , 3563 , 6883 , 19581 , 75031 , 488294 , 539816 , 5098450 , 9488565 , 7000572 , 90858539 , 2231760 , 421424014 , 1558673284 , 3220994820
n×2
42991936
n×3
64487904
n×4
85983872
n×5
107479840
n÷2
10747984
n÷3
7165322.6666667
n÷3
5373992
n÷5
4299193.6
n2
462076640257024
n3
9.9327846725125E+21
n4
2.1351482147122E+29
n5
4.589707769871E+36
2 √n
4636.3744456202
3 √n
278.04750495052
4 √n
68.090927777643
5 √n
29.273280982707
1 , 2 , 4 , 8 , 13 , 16 , 26 , 32 , 52 , 104 , 208 , 416 , 51673 , 103346 , 206692 , 413384 , 671749 , 826768 , 1343498 , 1653536 , 2686996 , 5373992 , 10747984 , 21495968
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21495967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21495968 can be divided by 24 positive divisors.
The sum of these divisors (counting 21495968) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010000000000010100000
3
Ternary
1111110002220222
4
Quaternary
1102000002200
5
Quinary
21000332333
6
Senary
2044422212
8
Octal
122000240
10
Decimal
21495968
12
Duodecimal
7247968
16
Hexadecimal
14800a0
20
Vigesimal
6e6ji8
36
Base36
csqe8
md5
9e6d85b987073eb78c080906cf1057a6
sha1
172ee02a350d8cab75a134635415d1f321f87b45
sha256
919a6273d6678078e4e4e63ea0baa3192f608d5b2b4512438c589feab467adb0
sha512
61712896de7c2c328d4bb27bc07ba10bca8b74daac76db3af2ea8f711a64f51bd3a3981d5eeb922682ccb5ac63928e3fc4832fac15d20ccf45653e09f1b05aed
ripemd-160
93fba15566fe45731ec7fcf17c2658866a0c7f15
Diameter
42991936
Circumference
135063150.3012
Area
1.4516565784269E+15
Volume
4.1606351142473E+22
Surface area
5.8066263137077E+15
Circumference
135063150.3012
Perimeter
85983872
Area
462076640257024
Diagonal
30399889.481938
Surface area
2772459841542144
Volume
9.9327846725125E+21
Space diagonal
37232108.733875
Perimeter
64487904
Area
2.0008505447897E+14
Altitude
18616054.366937
Surface area
2.0008505447897E+14
Volume
1.1705898996666E+21
Height
10133296.493979