21491716 is an even 8-digits composite number following 21491715
and preceding 21491717 . In scientific notation, it is written as 2.1491716 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 10745856 positive integers (up to 21491716) that are relatively prime to 21491716.
21491716 has 6 divisors, whose sum is 37610510
The reverse of 21491716 is 61719412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-one thousand seven hundred sixteen
Scientific notation
2.1491716 × 10^7
Engineering notation
2.1491716 × 10^6
Prime Factorization
2 × 2 × 5372929
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10745858
Product of the distinct prime numbers
The prime factorization of 21491716 is 2 × 2 × 5372929.
Since it has a total of 3 prime factors.
4 , 2 , 30 , 43 , 604 , 602 , 3298 , 5041 , 83273 , 72466 , 449106 , 682159 , 9035333 , 8918048 , 57966929 , 92657365 , 44859148 , 344975469 , 8530888893 , 7200656008
n×2
42983432
n×3
64475148
n×4
85966864
n×5
107458580
n÷2
10745858
n÷3
7163905.3333333
n÷3
5372929
n÷5
4298343.2
n2
461893856624656
n3
9.9268915887218E+21
n4
2.133459347876E+29
n5
4.5851702402096E+36
2 √n
4635.9158749917
3 √n
278.02917072227
4 √n
68.087560354236
5 √n
29.272122813508
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21491715
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21491716 can be divided by 6 positive divisors.
The sum of these divisors (counting 21491716) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010001111111000000000100
3
Ternary
1111102220002111
4
Quaternary
1101333000010
5
Quinary
21000213331
6
Senary
2044350404
8
Octal
121770004
10
Decimal
21491716
12
Duodecimal
7245404
16
Hexadecimal
147f004
20
Vigesimal
6e695g
36
Base36
csn44
md5
329bec13c583cf525fdfd22ff5c84d9b
sha1
9e8fe0936884547c615d3dc729a44bfd86f52551
sha256
0d6894bcb032f001650355c48d1dda1897351e1b9ddcfd04283bb9581af56426
sha512
bc516e9489d95b215e85413df72d95c862d257be5cc8de467380eda2d4fc57228c55b3dd161639b333389ae18baa20979b1e1f2ab0ba964955b752a420966785
ripemd-160
aa47d3181921d80e99f0fc2a2e1cbe38128b6a0a
Diameter
42983432
Circumference
135036434.19728
Area
1.4510823467103E+15
Volume
4.1581666250814E+22
Surface area
5.8043293868411E+15
Circumference
135036434.19728
Perimeter
85966864
Area
461893856624656
Diagonal
30393876.245871
Surface area
2771363139747936
Volume
9.9268915887218E+21
Space diagonal
37224744.053841
Perimeter
64475148
Area
2.0000590684446E+14
Altitude
18612372.02692
Surface area
2.0000590684446E+14
Volume
1.1698953930815E+21
Height
10131292.081957