20984977 is an odd 8-digits composite number following 20984976
and preceding 20984978 . In scientific notation, it is written as 2.0984977 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 19370736 positive integers (up to 20984977) that are relatively prime to 20984977.
20984977 has 4 divisors, whose sum is 22599220
The reverse of 20984977 is 77948902
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million nine hundred eighty-four thousand nine hundred seventy-seven
Scientific notation
2.0984977 × 10^7
Engineering notation
2.0984977 × 10^6
Prime Factorization
13 × 1614229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20984977
Product of the distinct prime numbers
The prime factorization of 20984977 is 13 × 1614229.
Since it has a total of 2 prime factors.
6 , 3 , 45 , 30 , 961 , 806 , 8065 , 6127 , 33174 , 13964 , 35912 , 241141 , 4326901 , 1222615 , 88906069 , 45658221 , 407410318 , 340888158 , 6780376282 , 8640874626
n×2
41969954
n×3
62954931
n×4
83939908
n×5
104924885
n÷2
10492488.5
n÷3
6994992.3333333
n÷3
5246244.25
n÷5
4196995.4
n2
440369259690529
n3
9.2411387861128E+21
n4
1.9392508488038E+29
n5
4.0695134459379E+36
2 √n
4580.9362580154
3 √n
275.82661255022
4 √n
67.6826141488
5 √n
29.132764590734
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20984976
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20984977 can be divided by 4 positive divisors.
The sum of these divisors (counting 20984977) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000011010010010001
3
Ternary
1110111010222101
4
Quaternary
1100003102101
5
Quinary
20333004402
6
Senary
2025440401
8
Octal
120032221
10
Decimal
20984977
12
Duodecimal
7040101
16
Hexadecimal
1403491
20
Vigesimal
6b328h
36
Base36
chs41
md5
4d7dd1596219d6f1602206f2051d67eb
sha1
6c33154e7378b5d820b49351ef71d9f02b3920c5
sha256
680e0be68a817ff5cf4cf13ee3bd14d0d42333c360026c965cadfb34cd92eb8f
sha512
730df064d1c8aaff9bc6682646fa34fac42c4fc6ba99276b37aeefd07a275cede3129102bd716a1fa647c26de9b847cd40828cf7444e1c35c8898113d2980ec6
ripemd-160
721fe8f72cb891e40adaba7a0bf497eb415ed5a6
Diameter
41969954
Circumference
131852499.1579
Area
1.3834608311105E+15
Volume
3.8709191628341E+22
Surface area
5.5338433244422E+15
Circumference
131852499.1579
Perimeter
83939908
Area
440369259690529
Diagonal
29677239.079487
Surface area
2642215558143174
Volume
9.2411387861128E+21
Space diagonal
36347046.359664
Perimeter
62954931
Area
1.9068548296887E+14
Altitude
18173523.179832
Surface area
1.9068548296887E+14
Volume
1.0890786502577E+21
Height
9892413.0264958