20854909 is an odd 8-digits composite number following 20854908
and preceding 20854910 . In scientific notation, it is written as 2.0854909 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 20124720 positive integers (up to 20854909) that are relatively prime to 20854909.
20854909 has 8 divisors, whose sum is 21588992
The reverse of 20854909 is 90945802
Previous prime number is 1453
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million eight hundred fifty-four thousand nine hundred nine
Scientific notation
2.0854909 × 10^7
Engineering notation
2.0854909 × 10^6
Prime Factorization
31 × 1453 × 463
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20854909
Product of the distinct prime numbers
The prime factorization of 20854909 is 31 × 1453 × 463.
Since it has a total of 3 prime factors.
3 , 3 , 82 , 80 , 656 , 939 , 5751 , 9718 , 58771 , 7656 , 401070 , 327918 , 3918169 , 423758 , 77763065 , 11415634 , 688670194 , 744887463 , 594630219 , 2554747308
n×2
41709818
n×3
62564727
n×4
83419636
n×5
104274545
n÷2
10427454.5
n÷3
6951636.3333333
n÷3
5213727.25
n÷5
4170981.8
n2
434927229398281
n3
9.0703677907233E+21
n4
1.8916169487206E+29
n5
3.9449499328427E+36
2 √n
4566.7175301304
3 √n
275.25555967798
4 √n
67.577492777776
5 √n
29.096560881539
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
-20854908
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 20854909 can be divided by 8 positive divisors.
The sum of these divisors (counting 20854909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100011100001111101
3
Ternary
1110020112120001
4
Quaternary
1033203201331
5
Quinary
20314324114
6
Senary
2022554301
8
Octal
117434175
10
Decimal
20854909
12
Duodecimal
6b98991
16
Hexadecimal
13e387d
20
Vigesimal
6a6h59
36
Base36
cezr1
md5
e5899ae7805b8ecd8885049a8d55029d
sha1
e0a85b3a15e09515acb0c41b7e72ec22e97fef44
sha256
d927098d471bbdcf306e50a310a005d71ca1063a6e79ca434a4c0125f208aa54
sha512
5f35ba4a5d6311c7fd0d729ef25cdada7bbce2543a0e14bcb6407a4f9d9cc69b171446c9f651d9f0687a5e4fd3027f6206da0dbaa37118040c37ecc53c43ed82
ripemd-160
147f5f244a61ef415a4ed5b43342337357f2f74e
Diameter
41709818
Circumference
131035257.81137
Area
1.3663641887238E+15
Volume
3.7993867755592E+22
Surface area
5.4654567548952E+15
Circumference
131035257.81137
Perimeter
83419636
Area
434927229398281
Diagonal
29493295.149857
Surface area
2609563376389686
Volume
9.0703677907233E+21
Space diagonal
36121761.975225
Perimeter
62564727
Area
1.8832901472825E+14
Altitude
18060880.987613
Surface area
1.8832901472825E+14
Volume
1.0689530954461E+21
Height
9831098.3832856