21998903 is an odd 8-digits composite number following 21998902
and preceding 21998904 . In scientific notation, it is written as 2.1998903 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 20841048 positive integers (up to 21998903) that are relatively prime to 21998903.
21998903 has 4 divisors, whose sum is 23156760
The reverse of 21998903 is 30989912
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million nine hundred ninety-eight thousand nine hundred three
Scientific notation
2.1998903 × 10^7
Engineering notation
2.1998903 × 10^6
Prime Factorization
19 × 1157837
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21998903
Product of the distinct prime numbers
The prime factorization of 21998903 is 19 × 1157837.
Since it has a total of 2 prime factors.
9 , 8 , 26 , 1 , 367 , 484 , 6085 , 6187 , 63226 , 98864 , 857502 , 445926 , 6789887 , 3190120 , 48997857 , 45134863 , 87869333 , 156507110 , 4959349714 , 9560395238
n×2
43997806
n×3
65996709
n×4
87995612
n×5
109994515
n÷2
10999451.5
n÷3
7332967.6666667
n÷3
5499725.75
n÷5
4399780.6
n2
483951733203409
n3
1.0646407235424E+22
n4
2.3420928007058E+29
n5
5.1523472339726E+36
2 √n
4690.2988177727
3 √n
280.19927565912
4 √n
68.485756313066
5 √n
29.408996451537
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
-21998902
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 21998903 can be divided by 4 positive divisors.
The sum of these divisors (counting 21998903) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011111010110100110111
3
Ternary
1112101122211012
4
Quaternary
1103322310313
5
Quinary
21112431103
6
Senary
2103302435
8
Octal
123726467
10
Decimal
21998903
12
Duodecimal
744aa1b
16
Hexadecimal
14fad37
20
Vigesimal
6h9h53
36
Base36
d3ign
md5
60476e169d38933b6ce4364ff36a3e07
sha1
e1ff42eef2c66d9d5803cfd32b440c369e625279
sha256
2fe81e770e443718ff7e2776de73cbc7ccd3b1576da0341c3343be448a3cb875
sha512
f5fbd9ff3b01795bcc7c35e45048b4e22cff3465da397147643459f30dc7154846ca63b1e46d489ab97c34a7a026fbb0272ed6a5af4cb4a4d931e3bfdb363bf8
ripemd-160
42f70a232ba681ee8495d07a27f182c1d800e036
Diameter
43997806
Circumference
138223184.10367
Area
1.5203792097239E+15
Volume
4.459556634391E+22
Surface area
6.0815168388955E+15
Circumference
138223184.10367
Perimeter
87995612
Area
483951733203409
Diagonal
31111146.97993
Surface area
2903710399220454
Volume
1.0646407235424E+22
Space diagonal
38103217.706779
Perimeter
65996709
Area
2.0955724757983E+14
Altitude
19051608.85339
Surface area
2.0955724757983E+14
Volume
1.2546911252403E+21
Height
10370382.326643