20109481 is an odd 8-digits composite number following 20109480
and preceding 20109482 . In scientific notation, it is written as 2.0109481 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 17236692 positive integers (up to 20109481) that are relatively prime to 20109481.
20109481 has 4 divisors, whose sum is 22982272
The reverse of 20109481 is 18490102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred nine thousand four hundred eighty-one
Scientific notation
2.0109481 × 10^7
Engineering notation
2.0109481 × 10^6
Prime Factorization
7 × 2872783
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20109481
Product of the distinct prime numbers
The prime factorization of 20109481 is 7 × 2872783.
Since it has a total of 2 prime factors.
3 , 2 , 87 , 90 , 944 , 596 , 1391 , 6446 , 41649 , 37190 , 397034 , 119394 , 1174782 , 8650537 , 7817512 , 76573333 , 17100007 , 336499854 , 324619978 , 8403596416
n×2
40218962
n×3
60328443
n×4
80437924
n×5
100547405
n÷2
10054740.5
n÷3
6703160.3333333
n÷3
5027370.25
n÷5
4021896.2
n2
404391226089361
n3
8.1320976776107E+21
n4
1.6353226373806E+29
n5
3.2885489505274E+36
2 √n
4484.3595975345
3 √n
271.93615589942
4 √n
66.965361176765
5 √n
28.885518820819
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
-20109480
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 20109481 can be divided by 4 positive divisors.
The sum of these divisors (counting 20109481) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101101100010101001
3
Ternary
1101211200000121
4
Quaternary
1030231202221
5
Quinary
20122000411
6
Senary
1555003241
8
Octal
114554251
10
Decimal
20109481
12
Duodecimal
6899521
16
Hexadecimal
132d8a9
20
Vigesimal
65dde1
36
Base36
bz0kp
md5
cde8d7abf810ffd7804f0469deb45d19
sha1
3a2dd35708b7045e96fe1437c2c2250a9279e732
sha256
edebc9885f721b48ac72bb6d86a0c106bb8a895bb9c6cf2bb9c441df240235e7
sha512
43a865bc7cd230f0eb59e13f669e5e52e3d2aa902cdef9113b83a9ea0c3baeaad973af49820d11a3d0de8c0cde40bf8e946d01d685ad27f8b5f12031290f4413
ripemd-160
c4aec1a21646fe2c3ab1c8aa9ae959bd466c6726
Diameter
40218962
Circumference
126351595.55421
Area
1.2704325050585E+15
Volume
3.4063651096342E+22
Surface area
5.081730020234E+15
Circumference
126351595.55421
Perimeter
80437924
Area
404391226089361
Diagonal
28439100.762484
Surface area
2426347356536166
Volume
8.1320976776107E+21
Space diagonal
34830642.805841
Perimeter
60328443
Area
1.7510653743046E+14
Altitude
17415321.40292
Surface area
1.7510653743046E+14
Volume
9.5837690218498E+20
Height
9479700.2541614