21508714 is an even 8-digits composite number following 21508713
and preceding 21508715 . In scientific notation, it is written as 2.1508714 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10754356 positive integers (up to 21508714) that are relatively prime to 21508714.
21508714 has 4 divisors, whose sum is 32263074
The reverse of 21508714 is 41780512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million five hundred eight thousand seven hundred fourteen
Scientific notation
2.1508714 × 10^7
Engineering notation
2.1508714 × 10^6
Prime Factorization
2 × 10754357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21508714
Product of the distinct prime numbers
The prime factorization of 21508714 is 2 × 10754357.
Since it has a total of 2 prime factors.
10 , 10 , 10 , 31 , 624 , 913 , 5141 , 3749 , 95604 , 61128 , 361897 , 866924 , 7789995 , 6816037 , 4191609 , 21682269 , 675605643 , 164241443 , 6482519736 , 6870493327
n×2
43017428
n×3
64526142
n×4
86034856
n×5
107543570
n÷2
10754357
n÷3
7169571.3333333
n÷3
5377178.5
n÷5
4301742.8
n2
462624777933796
n3
9.9504640378915E+21
n4
2.1402168515829E+29
n5
4.6033312158678E+36
2 √n
4637.7488073418
3 √n
278.10245003387
4 √n
68.101019135853
5 √n
29.2767516687
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21508713
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21508714 can be divided by 4 positive divisors.
The sum of these divisors (counting 21508714) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000011001001101010
3
Ternary
1111110202102001
4
Quaternary
1102003021222
5
Quinary
21001234324
6
Senary
2045001214
8
Octal
122031152
10
Decimal
21508714
12
Duodecimal
725320a
16
Hexadecimal
148326a
20
Vigesimal
6e8bfe
36
Base36
ct08a
md5
c72424143e6c76ed56115e37dda4723c
sha1
c11706750a706b2d986b2528dccee907d6dbc253
sha256
566d905c3691677178a503df24d28dac64d23d95a6027ea60fe476b83645490a
sha512
e99bf36ef1e821c59ace4125034576c431b7ad984a08c076845dbf4be441431c438605c9c8150bf5c4bcb5f34db21a06912301bf3e052d740032132ff34ab233
ripemd-160
9332cca2cc5d28c87cc3058c73baa9d6c16ddbbe
Diameter
43017428
Circumference
135143235.78113
Area
1.4533786037254E+15
Volume
4.1680406294999E+22
Surface area
5.8135144149017E+15
Circumference
135143235.78113
Perimeter
86034856
Area
462624777933796
Diagonal
30417915.048004
Surface area
2775748667602776
Volume
9.9504640378915E+21
Space diagonal
37254185.453468
Perimeter
64526142
Area
2.003224050554E+14
Altitude
18627092.726734
Surface area
2.003224050554E+14
Volume
1.1726734328577E+21
Height
10139305.016001