20998742 is an even 8-digits composite number following 20998741
and preceding 20998743 . In scientific notation, it is written as 2.0998742 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 10355472 positive integers (up to 20998742) that are relatively prime to 20998742.
20998742 has 8 divisors, whose sum is 31929816
The reverse of 20998742 is 24789902
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million nine hundred ninety-eight thousand seven hundred forty-two
Scientific notation
2.0998742 × 10^7
Engineering notation
2.0998742 × 10^6
Prime Factorization
2 × 73 × 143827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20998742
Product of the distinct prime numbers
The prime factorization of 20998742 is 2 × 73 × 143827.
Since it has a total of 3 prime factors.
9 , 2 , 82 , 76 , 750 , 222 , 5906 , 1497 , 90557 , 99529 , 374200 , 822689 , 7850624 , 3157329 , 46469680 , 7782747 , 677637984 , 216008394 , 9802483868 , 2324227718
n×2
41997484
n×3
62996226
n×4
83994968
n×5
104993710
n÷2
10499371
n÷3
6999580.6666667
n÷3
5249685.5
n÷5
4199748.4
n2
440947165582564
n3
9.2593357656995E+21
n4
1.944344028353E+29
n5
4.0828778610625E+36
2 √n
4582.4384338472
3 √n
275.88690843824
4 √n
67.693710445264
5 √n
29.136585489171
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20998741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20998742 can be divided by 8 positive divisors.
The sum of these divisors (counting 20998742) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000110101001010110
3
Ternary
1110111211212012
4
Quaternary
1100012221112
5
Quinary
20333424432
6
Senary
2030024222
8
Octal
120065126
10
Decimal
20998742
12
Duodecimal
7048072
16
Hexadecimal
1406a56
20
Vigesimal
6b4gh2
36
Base36
ci2qe
md5
691d048ca9b1d18c37c342bd56fbe6d1
sha1
6266f8b18a7d0abd8bf9db3e8bde2d2e72f16445
sha256
0ecf2db7e6b5307b51a49d67e1c78e94a976988b227e181135644a8780ad3414
sha512
1b87afcc1c1a9cdfd3086ce8d3afb00f84a208e3fc56001ee6c57af2b538b6c0656e330a980d7c09256aa7e0a635ab8d26a7d7aca48f2aa9a6c7c2c010d3ed31
ripemd-160
5db4771794ad8a405806453b4dcf6b7b7701d8e4
Diameter
41997484
Circumference
131938987.20365
Area
1.3852763760154E+15
Volume
3.8785414958191E+22
Surface area
5.5411055040617E+15
Circumference
131938987.20365
Perimeter
83994968
Area
440947165582564
Diagonal
29696705.729174
Surface area
2645682993495384
Volume
9.2593357656995E+21
Space diagonal
36370888.03903
Perimeter
62996226
Area
1.9093572356062E+14
Altitude
18185444.019515
Surface area
1.9093572356062E+14
Volume
1.0912231848682E+21
Height
9898901.9097245