20998973 is an odd 8-digits composite number following 20998972
and preceding 20998974 . In scientific notation, it is written as 2.0998973 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 20958300 positive integers (up to 20998973) that are relatively prime to 20998973.
20998973 has 4 divisors, whose sum is 21039648
The reverse of 20998973 is 37989902
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million nine hundred ninety-eight thousand nine hundred seventy-three
Scientific notation
2.0998973 × 10^7
Engineering notation
2.0998973 × 10^6
Prime Factorization
523 × 40151
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20998973
Product of the distinct prime numbers
The prime factorization of 20998973 is 523 × 40151.
Since it has a total of 2 prime factors.
8 , 1 , 9 , 69 , 304 , 431 , 8977 , 5492 , 16924 , 64764 , 910327 , 294933 , 7457775 , 6734262 , 58186794 , 90480385 , 733839 , 960502878 , 3933740365 , 3618810940
n×2
41997946
n×3
62996919
n×4
83995892
n×5
104994865
n÷2
10499486.5
n÷3
6999657.6666667
n÷3
5249743.25
n÷5
4199794.6
n2
440956867054729
n3
9.2596413454468E+21
n4
1.9444295860272E+29
n5
4.0831024377387E+36
2 √n
4582.4636386992
3 √n
275.88792008046
4 √n
67.693896613352
5 √n
29.136649593217
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
-20998972
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 20998973 can be divided by 4 positive divisors.
The sum of these divisors (counting 20998973) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000110101100111101
3
Ternary
1110111212011202
4
Quaternary
1100012230331
5
Quinary
20333431343
6
Senary
2030025245
8
Octal
120065475
10
Decimal
20998973
12
Duodecimal
7048225
16
Hexadecimal
1406b3d
20
Vigesimal
6b4h8d
36
Base36
ci2wt
md5
429a244196c1b03a271bad247800ece3
sha1
daf4202f02ba0d6bc915bef7b3cf56afd4da2e04
sha256
6eb098a0092b136f9328fecb4e7976f241c6deac4564b9755de2ef442ecee8a4
sha512
17af1922e0b3acdfb350a6671d0095be1c181d668b05dc36576da595bc367e5f65d47a838793767d0a3344198505d48c58578b9c8fcafe9a652636217b59e531
ripemd-160
24498a8594ad13058302165b59e7e2c20eebd9d0
Diameter
41997946
Circumference
131940438.61946
Area
1.3853068540891E+15
Volume
3.8786694967643E+22
Surface area
5.5412274163564E+15
Circumference
131940438.61946
Perimeter
83995892
Area
440956867054729
Diagonal
29697032.412506
Surface area
2645741202328374
Volume
9.2596413454468E+21
Space diagonal
36371288.142767
Perimeter
62996919
Area
1.909399244213E+14
Altitude
18185644.071384
Surface area
1.909399244213E+14
Volume
1.0912591977868E+21
Height
9899010.8041688