21496720 is an even 8-digits composite number following 21496719
and preceding 21496721 . In scientific notation, it is written as 2.1496720 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 7045632 positive integers (up to 21496720) that are relatively prime to 21496720.
21496720 has 20 divisors, whose sum is 41726620
The reverse of 21496720 is 02769412
Previous prime number is 805
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-six thousand seven hundred twenty
Scientific notation
2.1496720 × 10^7
Engineering notation
2.1496720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 805 × 1669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2687090
Product of the distinct prime numbers
The prime factorization of 21496720 is 2 × 2 × 2 × 2 × 805 × 1669.
Since it has a total of 6 prime factors.
2 , 8 , 3 , 75 , 993 , 192 , 4273 , 1120 , 59648 , 76198 , 633933 , 713276 , 1221869 , 3074572 , 59069290 , 7522352 , 932493418 , 248103457 , 9046386776 , 9502144396
n×2
42993440
n×3
64490160
n×4
85986880
n×5
107483600
n÷2
10748360
n÷3
7165573.3333333
n÷3
5374180
n÷5
4299344
n2
462108970758400
n3
9.9338271538815E+21
n4
2.1354470085539E+29
n5
4.590510641772E+36
2 √n
4636.4555427611
3 √n
278.05074725291
4 √n
68.091523281251
5 √n
29.273485795063
1 , 2 , 4 , 8 , 16 , 805 , 1610 , 1669 , 3220 , 3338 , 6440 , 6676 , 12880 , 13352 , 26704 , 1343545 , 2687090 , 5374180 , 10748360 , 21496720
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21496719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21496720 can be divided by 20 positive divisors.
The sum of these divisors (counting 21496720) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010010000000001110010000
3
Ternary
1111110010221211
4
Quaternary
1102000032100
5
Quinary
21000343340
6
Senary
2044425504
8
Octal
122001620
10
Decimal
21496720
12
Duodecimal
7248294
16
Hexadecimal
1480390
20
Vigesimal
6e71g0
36
Base36
csqz4
md5
7f59292cf7a694dc9bbc8b81720240f4
sha1
fada7cf85fee1d60dc1e5aff4b655100c8e8e939
sha256
93d396f7cbe35a1f298d873cfa1287df8fa33e2a0628093e54052a8855c18d50
sha512
05bd5a2436a3cc6ad4eb740fc7c7eb94833df8732bc78602af9c40c38e5842f42f00eb6b32f03708a1dc7b029e1ee93c7aaab9a7c5973910885ba2296e727ba6
ripemd-160
bd3942252918411141e5ce0edc3ad2c5fb31b059
Diameter
42993440
Circumference
135067875.25655
Area
1.4517581476925E+15
Volume
4.161071787822E+22
Surface area
5.8070325907701E+15
Circumference
135067875.25655
Perimeter
85986880
Area
462108970758400
Diagonal
30400952.970537
Surface area
2772653824550400
Volume
9.9338271538815E+21
Space diagonal
37233411.236082
Perimeter
64490160
Area
2.0009905399673E+14
Altitude
18616705.618041
Surface area
2.0009905399673E+14
Volume
1.1707127572741E+21
Height
10133650.990179