21003902 is an even 8-digits composite number following 21003901
and preceding 21003903 . In scientific notation, it is written as 2.1003902 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 10501950 positive integers (up to 21003902) that are relatively prime to 21003902.
21003902 has 4 divisors, whose sum is 31505856
The reverse of 21003902 is 20930012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million three thousand nine hundred two
Scientific notation
2.1003902 × 10^7
Engineering notation
2.1003902 × 10^6
Prime Factorization
2 × 10501951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21003902
Product of the distinct prime numbers
The prime factorization of 21003902 is 2 × 10501951.
Since it has a total of 2 prime factors.
9 , 5 , 20 , 95 , 267 , 88 , 882 , 8235 , 97208 , 860 , 846956 , 176056 , 8930926 , 1648662 , 69275014 , 1050617 , 292441867 , 800792822 , 3534317299 , 155218033
n×2
42007804
n×3
63011706
n×4
84015608
n×5
105019510
n÷2
10501951
n÷3
7001300.6666667
n÷3
5250975.5
n÷5
4200780.4
n2
441163899225604
n3
9.2661633052725E+21
n4
1.9462558597994E+29
n5
4.0878967346152E+36
2 √n
4583.0014182847
3 √n
275.90950439278
4 √n
67.697868639158
5 √n
29.138017289282
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
-21003901
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 21003902 can be divided by 4 positive divisors.
The sum of these divisors (counting 21003902) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000111111001111110
3
Ternary
1110112002221022
4
Quaternary
1100013321332
5
Quinary
20334111102
6
Senary
2030104142
8
Octal
120077176
10
Decimal
21003902
12
Duodecimal
704b052
16
Hexadecimal
1407e7e
20
Vigesimal
6b59f2
36
Base36
ci6pq
md5
2012e2c0347389a1626982b146369317
sha1
035e985df1afc96608a8bbd8324ac43d8ff2b1e9
sha256
50dde3b4c7936a4936024149b479155add0df66fd71c57d378f5232a00a90506
sha512
aa24d47856db683e8ce96a4ccc5b858d91a561da39d799bb6c3529053b2ea2705f338cf3b1e135d9536c92d059819846b5721c5f820a430b97367da5690e8d52
ripemd-160
7eab3ac66b201bd461ad21bd6faeaeffafd9da19
Diameter
42007804
Circumference
131971408.43984
Area
1.3859572648362E+15
Volume
3.8814014089076E+22
Surface area
5.5438290593447E+15
Circumference
131971408.43984
Perimeter
84015608
Area
441163899225604
Diagonal
29704003.071155
Surface area
2646983395353624
Volume
9.2661633052725E+21
Space diagonal
36379825.421198
Perimeter
63011706
Area
1.9102957198099E+14
Altitude
18189912.710599
Surface area
1.9102957198099E+14
Volume
1.0920278181234E+21
Height
9901334.3570518