20984885 is an odd 8-digits composite number following 20984884
and preceding 20984886 . In scientific notation, it is written as 2.0984885 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 15724800 positive integers (up to 20984885) that are relatively prime to 20984885.
20984885 has 16 divisors, whose sum is 26790912
The reverse of 20984885 is 58848902
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million nine hundred eighty-four thousand eight hundred eighty-five
Scientific notation
2.0984885 × 10^7
Engineering notation
2.0984885 × 10^6
Prime Factorization
5 × 17 × 271 × 911
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20984885
Product of the distinct prime numbers
The prime factorization of 20984885 is 5 × 17 × 271 × 911.
Since it has a total of 4 prime factors.
10 , 8 , 11 , 3 , 236 , 210 , 7579 , 4466 , 77245 , 82473 , 791371 , 442456 , 3951252 , 5348128 , 8236219 , 40547821 , 226047043 , 218569406 , 6214140525 , 2544535492
n×2
41969770
n×3
62954655
n×4
83939540
n×5
104924425
n÷2
10492442.5
n÷3
6994961.6666667
n÷3
5246221.25
n÷5
4196977
n2
440365398463225
n3
9.24101724473E+21
n4
1.9392168416367E+29
n5
4.069424241181E+36
2 √n
4580.926216389
3 √n
275.82620946685
4 √n
67.682539967033
5 √n
29.132739046565
1 , 5 , 17 , 85 , 271 , 911 , 1355 , 4555 , 4607 , 15487 , 23035 , 77435 , 246881 , 1234405 , 4196977 , 20984885
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
-20984884
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 20984885 can be divided by 16 positive divisors.
The sum of these divisors (counting 20984885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000011010000110101
3
Ternary
1110111010211222
4
Quaternary
1100003100311
5
Quinary
20333004020
6
Senary
2025440125
8
Octal
120032065
10
Decimal
20984885
12
Duodecimal
7040045
16
Hexadecimal
1403435
20
Vigesimal
6b3245
36
Base36
chs1h
md5
1b9db6b1316dfbb73f3e85cb65a5cea8
sha1
8846f72b91d6e7d5ad94af2fbdc220905ac1a542
sha256
69764dd2050d1d1e587f175c984c8e559be7e2a58b915b0541fcb581641c2963
sha512
915f8676f7f32150d370909d65fc9f4b3da5bf92407f5e2d22a80115b32d10185a4b0b26ce505974cce004a15ff9ccaaa7d319aef4caaa5f3c83a5a8a2982005
ripemd-160
e9e83031fe470f1225249e33e61dcdaa108d543b
Diameter
41969770
Circumference
131851921.10485
Area
1.3834487007072E+15
Volume
3.8708682516987E+22
Surface area
5.5337948028288E+15
Circumference
131851921.10485
Perimeter
83939540
Area
440365398463225
Diagonal
29677108.97184
Surface area
2642192390779350
Volume
9.24101724473E+21
Space diagonal
36346887.01099
Perimeter
62954655
Area
1.906838110084E+14
Altitude
18173443.505495
Surface area
1.906838110084E+14
Volume
1.0890643264684E+21
Height
9892369.6572799