21479906 is an even 8-digits composite number following 21479905
and preceding 21479907 . In scientific notation, it is written as 2.1479906 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 8956656 positive integers (up to 21479906) that are relatively prime to 21479906.
21479906 has 16 divisors, whose sum is 37818816
The reverse of 21479906 is 60997412
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred seventy-nine thousand nine hundred six
Scientific notation
2.1479906 × 10^7
Engineering notation
2.1479906 × 10^6
Prime Factorization
2 × 7 × 37 × 41467
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21479906
Product of the distinct prime numbers
The prime factorization of 21479906 is 2 × 7 × 37 × 41467.
Since it has a total of 4 prime factors.
9 , 6 , 9 , 2 , 793 , 501 , 6968 , 7382 , 41588 , 57623 , 306993 , 375694 , 6363654 , 914112 , 35297127 , 63538443 , 788073348 , 970116307 , 1145298217 , 6423393087
n×2
42959812
n×3
64439718
n×4
85919624
n×5
107399530
n÷2
10739953
n÷3
7159968.6666667
n÷3
5369976.5
n÷5
4295981.2
n2
461386361768836
n3
9.9105356804766E+21
n4
2.1287737482628E+29
n5
4.5725860007953E+36
2 √n
4634.641949493
3 √n
277.97823441208
4 √n
68.078204658268
5 √n
29.268905017562
1 , 2 , 7 , 14 , 37 , 74 , 259 , 518 , 41467 , 82934 , 290269 , 580538 , 1534279 , 3068558 , 10739953 , 21479906
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21479905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21479906 can be divided by 16 positive divisors.
The sum of these divisors (counting 21479906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111100000111100010
3
Ternary
1111102021220002
4
Quaternary
1101330013202
5
Quinary
20444324111
6
Senary
2044220002
8
Octal
121740742
10
Decimal
21479906
12
Duodecimal
723a602
16
Hexadecimal
147c1e2
20
Vigesimal
6e4jf6
36
Base36
cse02
md5
138c340e4eb8ba2f1d701cd0789664e8
sha1
4e2aeff8742fce4e356d4ed78039d6a3c1ca3682
sha256
784ab94f542f2f9a954c6389222cff2504874765c85671c4a3f77efcaf70b252
sha512
878f709a05109c0721db04cb7b505b5bc17ebb8a18e6d005e70a497466be03376310ca44d75d2885418d37f311542cbab5b8551e7ad334d6f953918a8c5034e8
ripemd-160
7795598548668090ef12b8952165e899cc224841
Diameter
42959812
Circumference
134962229.7788
Area
1.4494880045995E+15
Volume
4.1513154782566E+22
Surface area
5.797952018398E+15
Circumference
134962229.7788
Perimeter
85919624
Area
461386361768836
Diagonal
30377174.383699
Surface area
2768318170613016
Volume
9.9105356804766E+21
Space diagonal
37204288.533804
Perimeter
64439718
Area
1.9978615512574E+14
Altitude
18602144.266902
Surface area
1.9978615512574E+14
Volume
1.1679678308094E+21
Height
10125724.794566