21531708 is an even 8-digits composite number following 21531707
and preceding 21531709 . In scientific notation, it is written as 2.1531708 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors.
There are 6523440 positive integers (up to 21531708) that are relatively prime to 21531708.
21531708 has 36 divisors, whose sum is 46028640
The reverse of 21531708 is 80713512
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million five hundred thirty-one thousand seven hundred eight
Scientific notation
2.1531708 × 10^7
Engineering notation
2.1531708 × 10^6
Prime Factorization
2 × 2 × 9 × 11 × 11 × 4943
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
978714
Product of the distinct prime numbers
The prime factorization of 21531708 is 2 × 2 × 9 × 11 × 11 × 4943.
Since it has a total of 6 prime factors.
5 , 3 , 91 , 26 , 815 , 904 , 1882 , 287 , 38517 , 84412 , 886135 , 193179 , 86499 , 3946143 , 73042982 , 95166250 , 372632261 , 402836137 , 6271259890 , 4623060141
n×2
43063416
n×3
64595124
n×4
86126832
n×5
107658540
n÷2
10765854
n÷3
7177236
n÷3
5382927
n÷5
4306341.6
n2
463614449397264
n3
9.9824109490027E+21
n4
2.1493835768993E+29
n5
4.6279899557791E+36
2 √n
4640.2271496124
3 √n
278.2015170187
4 √n
68.119212778866
5 √n
29.283008685662
1 , 2 , 4 , 9 , 11 , 18 , 22 , 36 , 44 , 99 , 121 , 198 , 242 , 396 , 484 , 1089 , 2178 , 4356 , 4943 , 9886 , 19772 , 44487 , 54373 , 88974 , 108746 , 177948 , 217492 , 489357 , 598103 , 978714 , 1196206 , 1957428 , 2392412 , 5382927 , 10765854 , 21531708
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21531707
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21531708 can be divided by 36 positive divisors.
The sum of these divisors (counting 21531708) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010010001000110000111100
3
Ternary
1111111220221200
4
Quaternary
1102020300330
5
Quinary
21003003313
6
Senary
2045255500
8
Octal
122106074
10
Decimal
21531708
12
Duodecimal
7264590
16
Hexadecimal
1488c3c
20
Vigesimal
6eb958
36
Base36
cthz0
md5
d26fccc87a89c23744df9c573b8e76a5
sha1
30f7a32dcefba50721c2e88533a738cd7853448f
sha256
ea5395b0b548cb4b3f9485c5fb018101d8d46f7b1ab3f0f9782997220ff2b311
sha512
7bc06188ffb32ed20db0fdd37184a32e55c7cb7705c5530571b5a1892cb9356722ebb5e5cce2551a5251c0b0e815bcbd8e3b50a3395388aa2a5107dcb44f210f
ripemd-160
af33c479f02d26acfa076fcf00c0718f3cb81d82
Diameter
43063416
Circumference
135287711.34408
Area
1.4564877483245E+15
Volume
4.1814225203335E+22
Surface area
5.8259509932981E+15
Circumference
135287711.34408
Perimeter
86126832
Area
463614449397264
Diagonal
30450433.474657
Surface area
2781686696383584
Volume
9.9824109490027E+21
Space diagonal
37294012.229737
Perimeter
64595124
Area
2.0075094536978E+14
Altitude
18647006.114869
Surface area
2.0075094536978E+14
Volume
1.1764384124384E+21
Height
10150144.491552