21508716 is an even 8-digits composite number following 21508715
and preceding 21508717 . In scientific notation, it is written as 2.1508716 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 7132752 positive integers (up to 21508716) that are relatively prime to 21508716.
21508716 has 24 divisors, whose sum is 50444800
The reverse of 21508716 is 61780512
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred eight thousand seven hundred sixteen
Scientific notation
2.1508716 × 10^7
Engineering notation
2.1508716 × 10^6
Prime Factorization
2 × 2 × 3 × 199 × 9007
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10754358
Product of the distinct prime numbers
The prime factorization of 21508716 is 2 × 2 × 3 × 199 × 9007.
Since it has a total of 5 prime factors.
2 , 1 , 57 , 38 , 389 , 344 , 183 , 8226 , 14490 , 54129 , 701081 , 209534 , 7942405 , 482944 , 7990650 , 16769726 , 614999173 , 635398254 , 5553248016 , 1628044106
n×2
43017432
n×3
64526148
n×4
86034864
n×5
107543580
n÷2
10754358
n÷3
7169572
n÷3
5377179
n÷5
4301743.2
n2
462624863968656
n3
9.9504668136405E+21
n4
2.1402176476202E+29
n5
4.603333356085E+36
2 √n
4637.7490229636
3 √n
278.10245865371
4 √n
68.101020718956
5 √n
29.276752213163
1 , 2 , 3 , 4 , 6 , 12 , 199 , 398 , 597 , 796 , 1194 , 2388 , 9007 , 18014 , 27021 , 36028 , 54042 , 108084 , 1792393 , 3584786 , 5377179 , 7169572 , 10754358 , 21508716
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
-21508715
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 21508716 can be divided by 24 positive divisors.
The sum of these divisors (counting 21508716) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010000011001001101100
3
Ternary
1111110202102010
4
Quaternary
1102003021230
5
Quinary
21001234331
6
Senary
2045001220
8
Octal
122031154
10
Decimal
21508716
12
Duodecimal
7253210
16
Hexadecimal
148326c
20
Vigesimal
6e8bfg
36
Base36
ct08c
md5
8c2bade9a4a0f8ea3b18e09cc8cf739b
sha1
90f496c80e0cf7b6a28aaffb4cfd72fe2f4f908a
sha256
b42bb076a6590f1d4738432a4b67af9f5289f8d471a86ff5d09b1f0d0a1f8274
sha512
eac0b88f24162eaad03d758495ebb18916b3dc18ad9c425af8571ac68be4e5d92648df22f2ae11b862017413c3864bd751d4066e8d0b13a46df053fd499a1b77
ripemd-160
440763bc1fc9dbeb562daf5f7316034d32477847
Diameter
43017432
Circumference
135143248.3475
Area
1.4533788740119E+15
Volume
4.1680417922029E+22
Surface area
5.8135154960476E+15
Circumference
135143248.3475
Perimeter
86034864
Area
462624863968656
Diagonal
30417917.876431
Surface area
2775749183811936
Volume
9.9504668136405E+21
Space diagonal
37254188.91757
Perimeter
64526148
Area
2.0032244230959E+14
Altitude
18627094.458785
Surface area
2.0032244230959E+14
Volume
1.1726737599828E+21
Height
10139305.95881