21003899 is an odd 8-digits composite number following 21003898
and preceding 21003900 . In scientific notation, it is written as 2.1003899 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 17219664 positive integers (up to 21003899) that are relatively prime to 21003899.
21003899 has 4 divisors, whose sum is 21023664
The reverse of 21003899 is 99830012
Previous prime number is 1127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million three thousand eight hundred ninety-nine
Scientific notation
2.1003899 × 10^7
Engineering notation
2.1003899 × 10^6
Prime Factorization
1127 × 18637
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21003899
Product of the distinct prime numbers
The prime factorization of 21003899 is 1127 × 18637.
Since it has a total of 2 prime factors.
6 , 3 , 83 , 39 , 897 , 74 , 3476 , 2718 , 36655 , 711 , 739018 , 811381 , 5523526 , 8151133 , 63970221 , 1806012 , 56685942 , 811740058 , 3923832920 , 7482725564
n×2
42007798
n×3
63011697
n×4
84015596
n×5
105019495
n÷2
10501949.5
n÷3
7001299.6666667
n÷3
5250974.75
n÷5
4200779.8
n2
441163773202201
n3
9.2661593347979E+21
n4
1.94625474786E+29
n5
4.0878938152323E+36
2 √n
4583.0010909883
3 √n
275.90949125667
4 √n
67.697866221826
5 √n
29.138016456922
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
-21003898
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 21003899 can be divided by 4 positive divisors.
The sum of these divisors (counting 21003899) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000111111001111011
3
Ternary
1110112002221012
4
Quaternary
1100013321323
5
Quinary
20334111044
6
Senary
2030104135
8
Octal
120077173
10
Decimal
21003899
12
Duodecimal
704b04b
16
Hexadecimal
1407e7b
20
Vigesimal
6b59ej
36
Base36
ci6pn
md5
7a0ddec57cb4360343741b891233c9e9
sha1
d2fc0147684c4fa768aac7a7006c3a8c8e585568
sha256
ee423280dec57ce92761fd0570a0a5f88163fde923be56385af122728a050a35
sha512
98f190878abbac41488d1d0703e1daf0d4e77bb551f8fc90ada74ca750ae04eb434760b2241a1fbe21a3b11f27892937f618dfd32af70d92572def1508eb90cd
ripemd-160
6ac0a32055149d7a2bcefe02b951841292c5c089
Diameter
42007798
Circumference
131971389.59028
Area
1.385956868922E+15
Volume
3.8813997457592E+22
Surface area
5.543827475688E+15
Circumference
131971389.59028
Perimeter
84015596
Area
441163773202201
Diagonal
29703998.828515
Surface area
2646982639213206
Volume
9.2661593347979E+21
Space diagonal
36379820.225045
Perimeter
63011697
Area
1.9102951741125E+14
Altitude
18189910.112523
Surface area
1.9102951741125E+14
Volume
1.0920273501984E+21
Height
9901332.9428382