20998512 is an even 8-digits composite number following 20998511
and preceding 20998513 . In scientific notation, it is written as 2.0998512 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors.
There are 6999456 positive integers (up to 20998512) that are relatively prime to 20998512.
20998512 has 20 divisors, whose sum is 45205440
The reverse of 20998512 is 21589902
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million nine hundred ninety-eight thousand five hundred twelve
Scientific notation
2.0998512 × 10^7
Engineering notation
2.0998512 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 145823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2624814
Product of the distinct prime numbers
The prime factorization of 20998512 is 2 × 2 × 2 × 2 × 9 × 145823.
Since it has a total of 6 prime factors.
7 , 8 , 55 , 70 , 284 , 330 , 7784 , 3837 , 75227 , 68783 , 23708 , 673196 , 6793516 , 1508395 , 97294964 , 62973272 , 292206277 , 236332927 , 820988088 , 3122195613
n×2
41997024
n×3
62995536
n×4
83994048
n×5
104992560
n÷2
10499256
n÷3
6999504
n÷3
5249628
n÷5
4199702.4
n2
440937506214144
n3
9.2590315154878E+21
n4
1.9442588438635E+29
n5
4.0826542663973E+36
2 √n
4582.4133379694
3 √n
275.88590116805
4 √n
67.693525081572
5 √n
29.136521662071
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 145823 , 291646 , 583292 , 1166584 , 1312407 , 2333168 , 2624814 , 5249628 , 10499256 , 20998512
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20998511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20998512 can be divided by 20 positive divisors.
The sum of these divisors (counting 20998512) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000000110100101110000
3
Ternary
1110111211112200
4
Quaternary
1100012211300
5
Quinary
20333423022
6
Senary
2030023200
8
Octal
120064560
10
Decimal
20998512
12
Duodecimal
7047b00
16
Hexadecimal
1406970
20
Vigesimal
6b4g5c
36
Base36
ci2k0
md5
97f061e455d7221c0f2d87b60ea8569c
sha1
f34f6915ea246f00732b9f6e1873511873825616
sha256
7dd6c9bcb9c57f30a350eb64d166ee7512952812da0714f855920e832fe8a5a7
sha512
811eff561814210b135604ef1df0397663836529deefdd3b016ef0246d9cdcf6008d055c6d494a71f9a7e7b6428b260546ff38734b61901e61ec7050b2e9626e
ripemd-160
d0c7aba6139d151cbb91fc6e0a831c705b025457
Diameter
41997024
Circumference
131937542.07103
Area
1.3852460302146E+15
Volume
3.8784140517884E+22
Surface area
5.5409841208582E+15
Circumference
131937542.07103
Perimeter
83994048
Area
440937506214144
Diagonal
29696380.460054
Surface area
2645625037284864
Volume
9.2590315154878E+21
Space diagonal
36370489.667345
Perimeter
62995536
Area
1.909315409314E+14
Altitude
18185244.833672
Surface area
1.909315409314E+14
Volume
1.0911873286369E+21
Height
9898793.4866847