21000399 is an odd 8-digits composite number following 21000398
and preceding 21000400 . In scientific notation, it is written as 2.1000399 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 11744352 positive integers (up to 21000399) that are relatively prime to 21000399.
21000399 has 8 divisors, whose sum is 22469568
The reverse of 21000399 is 99300012
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million three hundred ninety-nine
Scientific notation
2.1000399 × 10^7
Engineering notation
2.1000399 × 10^6
Prime Factorization
21 × 47 × 21277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000399
Product of the distinct prime numbers
The prime factorization of 21000399 is 21 × 47 × 21277.
Since it has a total of 3 prime factors.
1 , 5 , 65 , 37 , 842 , 857 , 2820 , 7182 , 87764 , 94147 , 961445 , 491580 , 3899954 , 5214804 , 7751994 , 10963540 , 604694630 , 789427683 , 5332116245 , 4931894280
n×2
42000798
n×3
63001197
n×4
84001596
n×5
105001995
n÷2
10500199.5
n÷3
7000133
n÷3
5250099.75
n÷5
4200079.8
n2
441016758159201
n3
9.2615278870297E+21
n4
1.9449578097725E+29
n5
4.0844890043389E+36
2 √n
4582.6192292182
3 √n
275.89416494569
4 √n
67.695045824773
5 √n
29.137045305272
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000398
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000399 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000399) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111000011001111
3
Ternary
1110111221010120
4
Quaternary
1100013003033
5
Quinary
20334003044
6
Senary
2030040023
8
Octal
120070317
10
Decimal
21000399
12
Duodecimal
7049013
16
Hexadecimal
14070cf
20
Vigesimal
6b50jj
36
Base36
ci40f
md5
1eb224d62d399d1f6053f6325512df4d
sha1
f7f9dabbbf76bb1e3a693ffe9702d2421f99ffff
sha256
87faa6b54e04670f468bf38ad00dfcdf54b427ec95e0cb59cb3fcd936afac35c
sha512
ce709b93bcc6a43c7896af97bcc481df966bc2593df1812b6c6548ebcb64ac4a17f074f742e51ba0673571332afa1c72642e3d505b91306e46a197c0d253560a
ripemd-160
950cc79202d90ab014958bd0cfc1d4091adfcf68
Diameter
42000798
Circumference
131949398.44171
Area
1.3854950075429E+15
Volume
3.8794597294546E+22
Surface area
5.5419800301717E+15
Circumference
131949398.44171
Perimeter
84001596
Area
441016758159201
Diagonal
29699049.081046
Surface area
2646100548955206
Volume
9.2615278870297E+21
Space diagonal
36373758.047219
Perimeter
63001197
Area
1.9096585803026E+14
Altitude
18186879.023609
Surface area
1.9096585803026E+14
Volume
1.0914815288445E+21
Height
9899683.0270155