21291708 is an even 8-digits composite number following 21291707
and preceding 21291709 . In scientific notation, it is written as 2.1291708 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6932016 positive integers (up to 21291708) that are relatively prime to 21291708.
21291708 has 24 divisors, whose sum is 50837248
The reverse of 21291708 is 80719212
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred ninety-one thousand seven hundred eight
Scientific notation
2.1291708 × 10^7
Engineering notation
2.1291708 × 10^6
Prime Factorization
2 × 2 × 3 × 43 × 41263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10645854
Product of the distinct prime numbers
The prime factorization of 21291708 is 2 × 2 × 3 × 43 × 41263.
Since it has a total of 5 prime factors.
6 , 3 , 66 , 4 , 704 , 755 , 7207 , 4607 , 50905 , 28273 , 308029 , 269999 , 6048776 , 6652654 , 66864088 , 98868713 , 841342374 , 586056237 , 7384909753 , 9323113104
n×2
42583416
n×3
63875124
n×4
85166832
n×5
106458540
n÷2
10645854
n÷3
7097236
n÷3
5322927
n÷5
4258341.6
n2
453336829557264
n3
9.652315400579E+21
n4
2.0551428103303E+29
n5
4.3757500615853E+36
2 √n
4614.2938788075
3 √n
277.16400857856
4 √n
67.928593970488
5 √n
29.217435925998
1 , 2 , 3 , 4 , 6 , 12 , 43 , 86 , 129 , 172 , 258 , 516 , 41263 , 82526 , 123789 , 165052 , 247578 , 495156 , 1774309 , 3548618 , 5322927 , 7097236 , 10645854 , 21291708
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
-21291707
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 21291708 can be divided by 24 positive divisors.
The sum of these divisors (counting 21291708) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001001110001010111100
3
Ternary
1111001201201210
4
Quaternary
1101032022330
5
Quinary
20422313313
6
Senary
2040204420
8
Octal
121161274
10
Decimal
21291708
12
Duodecimal
7169710
16
Hexadecimal
144e2bc
20
Vigesimal
6d1958
36
Base36
cocsc
md5
3ac186086be970abbce0c0eaf420cb30
sha1
bfb53597ac60e7da858efb667448f168ea44b1e7
sha256
463c9076ded2dfba891fa4e7b4b8d49160a2faa24c82aef81015770dcf27a2ae
sha512
2a3697053c4f4c58fba1900fda48f8d8c5025a292a0be45db40fa0ac4db87bcc0c405bb08c12a56e6fd1855f52d61ca6c3ed87b1ab4438de50bd3a87228016fd
ripemd-160
8df767b31a2effd0e2bc552935c2c3fc110e77e8
Diameter
42583416
Circumference
133779746.87036
Area
1.4241996533388E+15
Volume
4.0431524203454E+22
Surface area
5.6967986133552E+15
Circumference
133779746.87036
Perimeter
85166832
Area
453336829557264
Diagonal
30111022.219688
Surface area
2720020977343584
Volume
9.652315400579E+21
Space diagonal
36878320.035921
Perimeter
63875124
Area
1.9630060543384E+14
Altitude
18439160.01796
Surface area
1.9630060543384E+14
Volume
1.1375362789835E+21
Height
10037007.406563