20512091 is an odd 8-digits composite number following 20512090
and preceding 20512092 . In scientific notation, it is written as 2.0512091 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 20223072 positive integers (up to 20512091) that are relatively prime to 20512091.
20512091 has 8 divisors, whose sum is 20803440
The reverse of 20512091 is 19021502
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million five hundred twelve thousand ninety-one
Scientific notation
2.0512091 × 10^7
Engineering notation
2.0512091 × 10^6
Prime Factorization
173 × 139 × 853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20512091
Product of the distinct prime numbers
The prime factorization of 20512091 is 173 × 139 × 853.
Since it has a total of 3 prime factors.
9 , 3 , 3 , 44 , 750 , 861 , 699 , 6263 , 42380 , 7691 , 992944 , 271790 , 2510832 , 505838 , 12676443 , 97073292 , 417411725 , 371599695 , 1855937793 , 2102564125
n×2
41024182
n×3
61536273
n×4
82048364
n×5
102560455
n÷2
10256045.5
n÷3
6837363.6666667
n÷3
5128022.75
n÷5
4102418.2
n2
420745877192281
n3
8.6303777208429E+21
n4
1.770270931743E+29
n5
3.6311958446568E+36
2 √n
4529.0275998276
3 √n
273.73898011699
4 √n
67.298050490542
5 √n
29.000266367312
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
-20512090
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 20512091 can be divided by 8 positive divisors.
The sum of these divisors (counting 20512091) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111110101011011
3
Ternary
1102121010022002
4
Quaternary
1032033311123
5
Quinary
20222341331
6
Senary
2011351215
8
Octal
116176533
10
Decimal
20512091
12
Duodecimal
6a5250b
16
Hexadecimal
138fd5b
20
Vigesimal
68404b
36
Base36
c7n8b
md5
9d067082b97479893deee25d16111116
sha1
abfa04cbf699d47d17a9f72dbfdd812ec2572228
sha256
14285164815a44f6936b44a820cf91f06133cf63bf7ed5ad37151d5d9fc1a10a
sha512
9f22027ab05f3fae35f31e381199b71b548e7b6e8bcb5bfa71f6bfe267bc8bb4020e3ee0c7eb5191ae12f69538a733d0c3c232cfdc226cbf4d2df36212d4fc0e
ripemd-160
e546df662553d069c65d4245b2a2bea56cb087c9
Diameter
41024182
Circumference
128881268.79073
Area
1.3218121568155E+15
Volume
3.6150841660673E+22
Surface area
5.2872486272619E+15
Circumference
128881268.79073
Perimeter
82048364
Area
420745877192281
Diagonal
29008477.284831
Surface area
2524475263153686
Volume
8.6303777208429E+21
Space diagonal
35527983.781476
Perimeter
61536273
Area
1.8218830909304E+14
Altitude
17763991.890738
Surface area
1.8218830909304E+14
Volume
1.0170997684349E+21
Height
9669492.428277