20998755 is an odd 8-digits composite number following 20998754
and preceding 20998756 . In scientific notation, it is written as 2.0998755 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 10812480 positive integers (up to 20998755) that are relatively prime to 20998755.
20998755 has 16 divisors, whose sum is 30896640
The reverse of 20998755 is 55789902
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million nine hundred ninety-eight thousand seven hundred fifty-five
Scientific notation
2.0998755 × 10^7
Engineering notation
2.0998755 × 10^6
Prime Factorization
15 × 3 × 29 × 16091
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20998755
Product of the distinct prime numbers
The prime factorization of 20998755 is 15 × 3 × 29 × 16091.
Since it has a total of 4 prime factors.
6 , 8 , 58 , 71 , 520 , 477 , 5345 , 6736 , 27834 , 84034 , 427401 , 798460 , 1822604 , 4209726 , 56627397 , 56992682 , 368540760 , 59300574 , 2847512522 , 5637742314
n×2
41997510
n×3
62996265
n×4
83995020
n×5
104993775
n÷2
10499377.5
n÷3
6999585
n÷3
5249688.75
n÷5
4199751
n2
440947711550025
n3
9.2593529626496E+21
n4
1.944348843212E+29
n5
4.0828904993143E+36
2 √n
4582.4398523058
3 √n
275.88696537068
4 √n
67.693720922296
5 √n
29.136589096773
1 , 3 , 15 , 29 , 45 , 87 , 435 , 1305 , 16091 , 48273 , 241365 , 466639 , 724095 , 1399917 , 6999585 , 20998755
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
-20998754
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 20998755 can be divided by 16 positive divisors.
The sum of these divisors (counting 20998755) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000110101001100011
3
Ternary
1110111211212200
4
Quaternary
1100012221203
5
Quinary
20333430010
6
Senary
2030024243
8
Octal
120065143
10
Decimal
20998755
12
Duodecimal
7048083
16
Hexadecimal
1406a63
20
Vigesimal
6b4ghf
36
Base36
ci2qr
md5
c4d9cc443b20cbde2b58f3fb17d5a525
sha1
e4e5eac2856c3c20bfa11514d0b65bc6d13a870e
sha256
f87c7150e46f29187cd2bb2a0eeff97e347cf324ea684a2d8755ba68836d2014
sha512
dbd2de4d56915722e3e953d41235d6ba029385e70277e6091f6dbc165775d269e1fbac49139f05ff4abab6174dd7b9fb62e1c3777f82e0c4af00c054c5ed0d1e
ripemd-160
aca60841e49c59fa30cbe5dcea4d1e5a59b23acb
Diameter
41997510
Circumference
131939068.88506
Area
1.3852780912228E+15
Volume
3.8785486992607E+22
Surface area
5.5411123648912E+15
Circumference
131939068.88506
Perimeter
83995020
Area
440947711550025
Diagonal
29696724.11395
Surface area
2645686269300150
Volume
9.2593529626496E+21
Space diagonal
36370910.555691
Perimeter
62996265
Area
1.9093595997147E+14
Altitude
18185455.277845
Surface area
1.9093595997147E+14
Volume
1.0912252115482E+21
Height
9898908.0379833