21497903 is an odd 8-digits composite number following 21497902
and preceding 21497904 . In scientific notation, it is written as 2.1497903 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 17638656 positive integers (up to 21497903) that are relatively prime to 21497903.
21497903 has 16 divisors, whose sum is 25634880
The reverse of 21497903 is 30979412
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety-seven thousand nine hundred three
Scientific notation
2.1497903 × 10^7
Engineering notation
2.1497903 × 10^6
Prime Factorization
29 × 7 × 137 × 773
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21497903
Product of the distinct prime numbers
The prime factorization of 21497903 is 29 × 7 × 137 × 773.
Since it has a total of 4 prime factors.
5 , 10 , 58 , 30 , 213 , 443 , 8212 , 7723 , 44378 , 5715 , 78841 , 309224 , 3363199 , 4813130 , 38962651 , 13946775 , 472971084 , 915312768 , 1865301112 , 6807491590
n×2
42995806
n×3
64493709
n×4
85991612
n×5
107489515
n÷2
10748951.5
n÷3
7165967.6666667
n÷3
5374475.75
n÷5
4299580.6
n2
462159833397409
n3
9.9354672688737E+21
n4
2.1359171160592E+29
n5
4.5917738977081E+36
2 √n
4636.5831169084
3 √n
278.05584768995
4 √n
68.092460059161
5 √n
29.273807981624
1 , 7 , 29 , 137 , 203 , 773 , 959 , 3973 , 5411 , 22417 , 27811 , 105901 , 156919 , 741307 , 3071129 , 21497903
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497902
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497903 can be divided by 16 positive divisors.
The sum of these divisors (counting 21497903) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000000100000101111
3
Ternary
1111110012120122
4
Quaternary
1102000200233
5
Quinary
21000413103
6
Senary
2044435155
8
Octal
122004057
10
Decimal
21497903
12
Duodecimal
7248abb
16
Hexadecimal
148082f
20
Vigesimal
6e74f3
36
Base36
csrvz
md5
13ad9c0dd3e4427ccc5497043f938ec0
sha1
210d1c0379abe89634aabd0ac0d4a0a0abbd58f2
sha256
6e2e4e56176a866df4c26f8cbeba24e25057ea52bcb93c7eaa68ef0ae8a7efe8
sha512
feda318285dae5d87b0ff6aa732a0fc522de0bc7e1c9b66933d189eeff354c376be73b4cc06706a94275b16f7adb7b3d2bcda4ad095976b5373cda0282f47737
ripemd-160
20acf90fd85ea07dbc3d04a3d8bbeacb50f728fd
Diameter
42995806
Circumference
135075308.26477
Area
1.4519179373856E+15
Volume
4.1617587975834E+22
Surface area
5.8076717495423E+15
Circumference
135075308.26477
Perimeter
85991612
Area
462159833397409
Diagonal
30402625.985181
Surface area
2772959000384454
Volume
9.9354672688737E+21
Space diagonal
37235460.252187
Perimeter
64493709
Area
2.0012107816547E+14
Altitude
18617730.126094
Surface area
2.0012107816547E+14
Volume
1.1709060466796E+21
Height
10134208.661727