21886979 is an odd 8-digits prime number following 21886978
and preceding 21886980 . In scientific notation, it is written as 2.1886979 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 21886978 positive integers (up to 21886979) that are relatively prime to 21886979.
21886979 has 2 divisors, whose sum is 21886980
The reverse of 21886979 is 97968812
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-one million eight hundred eighty-six thousand nine hundred seventy-nine
Scientific notation
2.1886979 × 10^7
Engineering notation
2.1886979 × 10^6
Prime Factorization
21886979
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21886979
Product of the distinct prime numbers
The prime factorization of 21886979 is 21886979.
Since it has a total of 1 prime factors.
10 , 5 , 15 , 27 , 991 , 890 , 6519 , 9940 , 8329 , 1411 , 465659 , 372489 , 7148498 , 6293998 , 88715015 , 23270449 , 446033073 , 458542143 , 3979135040 , 4391370414
n×2
43773958
n×3
65660937
n×4
87547916
n×5
109434895
n÷2
10943489.5
n÷3
7295659.6666667
n÷3
5471744.75
n÷5
4377395.8
n2
479039849746441
n3
1.0484735131564E+22
n4
2.2947917764509E+29
n5
5.0226059420554E+36
2 √n
4678.3521671631
3 √n
279.72327677537
4 √n
68.398480737244
5 √n
29.379010486649
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21886980
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10943490
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4678.3522740384
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999086215
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21886979 can be divided by 2 positive divisors.
The sum of these divisors (counting 21886979) is 21886980, the average is 10943490.
Base
System
Value
2
Binary
1010011011111100000000011
3
Ternary
1112011222021212
4
Quaternary
1103133200003
5
Quinary
21100340404
6
Senary
2101040335
8
Octal
123374003
10
Decimal
21886979
12
Duodecimal
73b60ab
16
Hexadecimal
14df803
20
Vigesimal
6gfh8j
36
Base36
d143n
md5
5329fea0ddc17e5345b341b4e7a924f5
sha1
c989bb133322501c04d03887532a584227154dcd
sha256
34ba8efe73bb4fb285db028b341b2f764d11f95a8bd8bbf13df3d61e55a549cf
sha512
2f9abff986aeba829c87caecfa2e2034ec903d127d2353bc5398c453b16088e31cd59573cf598c630554d9102806af0467aef079edf760a8aab69f570f27e8b5
ripemd-160
1e794a4999185732c3dfdd4f1dfc06d0a094e37e
Diameter
43773958
Circumference
137519944.87135
Area
1.5049480727402E+15
Volume
4.3918355818873E+22
Surface area
6.0197922909607E+15
Circumference
137519944.87135
Perimeter
87547916
Area
479039849746441
Diagonal
30952862.541175
Surface area
2874239098478646
Volume
1.0484735131564E+22
Space diagonal
37909359.652193
Perimeter
65660937
Area
2.0743033965275E+14
Altitude
18954679.826097
Surface area
2.0743033965275E+14
Volume
1.2356378850789E+21
Height
10317620.847058