21496789 is an odd 8-digits composite number following 21496788
and preceding 21496790 . In scientific notation, it is written as 2.1496789 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 19352256 positive integers (up to 21496789) that are relatively prime to 21496789.
21496789 has 8 divisors, whose sum is 23751360
The reverse of 21496789 is 98769412
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-one million four hundred ninety-six thousand seven hundred eighty-nine
Scientific notation
2.1496789 × 10^7
Engineering notation
2.1496789 × 10^6
Prime Factorization
17 × 23 × 54979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21496789
Product of the distinct prime numbers
The prime factorization of 21496789 is 17 × 23 × 54979.
Since it has a total of 3 prime factors.
7 , 8 , 65 , 84 , 245 , 855 , 4159 , 9763 , 59260 , 63278 , 247739 , 122856 , 4646749 , 3561069 , 48293221 , 19748026 , 869842609 , 247570541 , 162035084 , 7312908300
n×2
42993578
n×3
64490367
n×4
85987156
n×5
107483945
n÷2
10748394.5
n÷3
7165596.3333333
n÷3
5374197.25
n÷5
4299357.8
n2
462111937310521
n3
9.9339228107455E+21
n4
2.1354744260488E+29
n5
4.5905843151668E+36
2 √n
4636.4629837841
3 √n
278.05104474762
4 √n
68.091577921092
5 √n
29.273504587399
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
-21496788
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 21496789 can be divided by 8 positive divisors.
The sum of these divisors (counting 21496789) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000000001111010101
3
Ternary
1111110011001101
4
Quaternary
1102000033111
5
Quinary
21000344124
6
Senary
2044430101
8
Octal
122001725
10
Decimal
21496789
12
Duodecimal
7248331
16
Hexadecimal
14803d5
20
Vigesimal
6e71j9
36
Base36
csr11
md5
c0296c6d19f257ac5b641bd69905b063
sha1
6f01ef02f97a3f509af7c54bf6ef5e5ba29b03f5
sha256
d4f05312ee8cef90a8770eb8cbd2d4be1ae9659c5085fcddcd0a83f61648431a
sha512
b48041938345203f7e93437bf951cf08b5e4c81e256b5fb4543943888a04eb99ec3ee214e5092e3cff4e6f557a07e13ca888622dcdec3c330e26e3fd384a1696
ripemd-160
c8864d47e001a98f10d28d142f78d92d22ec3b38
Diameter
42993578
Circumference
135068308.79634
Area
1.4517674673909E+15
Volume
4.1611118564755E+22
Surface area
5.8070698695635E+15
Circumference
135068308.79634
Perimeter
85987156
Area
462111937310521
Diagonal
30401050.551273
Surface area
2772671623863126
Volume
9.9339228107455E+21
Space diagonal
37233530.747588
Perimeter
64490367
Area
2.0010033855148E+14
Altitude
18616765.373794
Surface area
2.0010033855148E+14
Volume
1.1707240305436E+21
Height
10133683.517091