21051708 is an even 8-digits composite number following 21051707
and preceding 21051709 . In scientific notation, it is written as 2.1051708 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 7017232 positive integers (up to 21051708) that are relatively prime to 21051708.
21051708 has 12 divisors, whose sum is 49120680
The reverse of 21051708 is 80715012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million fifty-one thousand seven hundred eight
Scientific notation
2.1051708 × 10^7
Engineering notation
2.1051708 × 10^6
Prime Factorization
2 × 2 × 3 × 1754309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10525854
Product of the distinct prime numbers
The prime factorization of 21051708 is 2 × 2 × 3 × 1754309.
Since it has a total of 4 prime factors.
8 , 1 , 85 , 16 , 27 , 68 , 4900 , 8736 , 39168 , 86949 , 229319 , 894940 , 8362821 , 2322357 , 38714204 , 90448973 , 541601467 , 619359555 , 4038830228 , 2711855401
n×2
42103416
n×3
63155124
n×4
84206832
n×5
105258540
n÷2
10525854
n÷3
7017236
n÷3
5262927
n÷5
4210341.6
n2
443174409717264
n3
9.3295782664402E+21
n4
1.9640355742825E+29
n5
4.1346303411407E+36
2 √n
4588.2140316249
3 √n
276.11867402319
4 √n
67.736356793268
5 √n
29.151269165931
1 , 2 , 3 , 4 , 6 , 12 , 1754309 , 3508618 , 5262927 , 7017236 , 10525854 , 21051708
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21051707
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21051708 can be divided by 12 positive divisors.
The sum of these divisors (counting 21051708) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000010011100100111100
3
Ternary
1110121112111220
4
Quaternary
1100103210330
5
Quinary
20342123313
6
Senary
2031113340
8
Octal
120234474
10
Decimal
21051708
12
Duodecimal
7072850
16
Hexadecimal
141393c
20
Vigesimal
6bb958
36
Base36
cj7lo
md5
40d6262706eecc7f6092ba3ca8eae917
sha1
757820a80bcd342067f9bb81f67b13d6139885f1
sha256
6b15bf64f01de30ae7a8d89414467b74479326ccd0b12388666e34a33f1720c0
sha512
faa2df5cdce5e6ccf9c5297b8326ad06a4fabc1fdf13c6ea91214427acb608ebfcdf85e07071db8c4656560f6bb19a5df41462d862d28c64e687410fc058923b
ripemd-160
3c8ded2bce4e2bca9a509599fb0ac29f769d744f
Diameter
42103416
Circumference
132271782.39663
Area
1.3922734698267E+15
Volume
3.9079646057253E+22
Surface area
5.569093879307E+15
Circumference
132271782.39663
Perimeter
84206832
Area
443174409717264
Diagonal
29771610.964718
Surface area
2659046458303584
Volume
9.3295782664402E+21
Space diagonal
36462627.842104
Perimeter
63155124
Area
1.9190014856116E+14
Altitude
18231313.921052
Surface area
1.9190014856116E+14
Volume
1.0995013429684E+21
Height
9923870.3215727