20998910 is an even 8-digits composite number following 20998909
and preceding 20998911 . In scientific notation, it is written as 2.0998910 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors.
There are 7820800 positive integers (up to 20998910) that are relatively prime to 20998910.
20998910 has 32 divisors, whose sum is 40450752
The reverse of 20998910 is 01989902
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred ninety-eight thousand nine hundred ten
Scientific notation
2.0998910 × 10^7
Engineering notation
2.0998910 × 10^6
Prime Factorization
2 × 5 × 101 × 17 × 1223
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20998910
Product of the distinct prime numbers
The prime factorization of 20998910 is 2 × 5 × 101 × 17 × 1223.
Since it has a total of 5 prime factors.
5 , 5 , 29 , 76 , 664 , 955 , 6840 , 584 , 7564 , 27961 , 306245 , 270665 , 8154630 , 9346348 , 61795363 , 80106639 , 817264452 , 453346386 , 8279374164 , 879267988
n×2
41997820
n×3
62996730
n×4
83995640
n×5
104994550
n÷2
10499455
n÷3
6999636.6666667
n÷3
5249727.5
n÷5
4199782
n2
440954221188100
n3
9.259558004849E+21
n4
1.944406251836E+29
n5
4.0830411885742E+36
2 √n
4582.4567646624
3 √n
275.88764417877
4 √n
67.693845840389
5 √n
29.136632110351
1 , 2 , 5 , 10 , 17 , 34 , 85 , 101 , 170 , 202 , 505 , 1010 , 1223 , 1717 , 2446 , 3434 , 6115 , 8585 , 12230 , 17170 , 20791 , 41582 , 103955 , 123523 , 207910 , 247046 , 617615 , 1235230 , 2099891 , 4199782 , 10499455 , 20998910
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20998909
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20998910 can be divided by 32 positive divisors.
The sum of these divisors (counting 20998910) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000110101011111110
3
Ternary
1110111212002102
4
Quaternary
1100012223332
5
Quinary
20333431120
6
Senary
2030025102
8
Octal
120065376
10
Decimal
20998910
12
Duodecimal
7048192
16
Hexadecimal
1406afe
20
Vigesimal
6b4h5a
36
Base36
ci2v2
md5
8acfe36401da63fd68ebd2aa138d02bb
sha1
7bc1b17092b596770937a60d805f1febe125353f
sha256
b25006a846bbe24c3344491f795ad0602b4f49d712d0bbd853d0862de77f8d1b
sha512
bb491f5a48ed02abec8d8654c6a79475280c6f308b0ab6384ba7a094bcc8cc4d7a3380a08d9570bffc3a1c677f389f4ae9ad6c080e0a8ec3ff16c3cd87a268fa
ripemd-160
53a448f0606fa3a6d6c4a98336bf07cb5c83d734
Diameter
41997820
Circumference
131940042.77879
Area
1.3852985418539E+15
Volume
3.8786345871363E+22
Surface area
5.5411941674158E+15
Circumference
131940042.77879
Perimeter
83995640
Area
440954221188100
Diagonal
29696943.317052
Surface area
2645725327128600
Volume
9.259558004849E+21
Space diagonal
36371179.023566
Perimeter
62996730
Area
1.9093877872744E+14
Altitude
18185589.511783
Surface area
1.9093877872744E+14
Volume
1.0912493760032E+21
Height
9898981.105684