20512888 is an even 8-digits composite number following 20512887
and preceding 20512889 . In scientific notation, it is written as 2.0512888 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors.
There are 9323600 positive integers (up to 20512888) that are relatively prime to 20512888.
20512888 has 16 divisors, whose sum is 38781360
The reverse of 20512888 is 88821502
Previous prime number is 121
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million five hundred twelve thousand eight hundred eighty-eight
Scientific notation
2.0512888 × 10^7
Engineering notation
2.0512888 × 10^6
Prime Factorization
2 × 2 × 2 × 121 × 21191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5128222
Product of the distinct prime numbers
The prime factorization of 20512888 is 2 × 2 × 2 × 121 × 21191.
Since it has a total of 5 prime factors.
6 , 1 , 64 , 41 , 185 , 221 , 3715 , 1935 , 6271 , 19614 , 772285 , 476525 , 3079850 , 3097931 , 73897368 , 81712126 , 835754724 , 900951671 , 2242484002 , 3528017590
n×2
41025776
n×3
61538664
n×4
82051552
n×5
102564440
n÷2
10256444
n÷3
6837629.3333333
n÷3
5128222
n÷5
4102577.6
n2
420778574100544
n3
8.6313837633242E+21
n4
1.7705460842209E+29
n5
3.6319013524461E+36
2 √n
4529.1155869551
3 √n
273.74252545913
4 √n
67.298704199673
5 √n
29.000491725645
1 , 2 , 4 , 8 , 121 , 242 , 484 , 968 , 21191 , 42382 , 84764 , 169528 , 2564111 , 5128222 , 10256444 , 20512888
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
-20512887
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 20512888 can be divided by 16 positive divisors.
The sum of these divisors (counting 20512888) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110010000000001111000
3
Ternary
1102121011101121
4
Quaternary
1032100001320
5
Quinary
20222403023
6
Senary
2011355024
8
Octal
116200170
10
Decimal
20512888
12
Duodecimal
6a52a74
16
Hexadecimal
1390078
20
Vigesimal
684248
36
Base36
c7nug
md5
f155574a28787fc660335af0ef17345b
sha1
a12d181d16ad97c8b814f980efd12792e417ce71
sha256
cd053b6083f7681bf60143d8b982300bd3b8b3a7ff1e0fc934bddf27668fc1cd
sha512
6f3f006be8a7e6becc02baacc2fe42094f6f4fe33d86dd50580a619045e21bcc69f69d02692382638f5f0a2f3383aff945d944fa177b2d50a3d4af71554f5a5f
ripemd-160
159ff79eac6bdcb2a0ccd56f29b708373b2eefb4
Diameter
41025776
Circumference
128886276.48942
Area
1.3219148771823E+15
Volume
3.6155055761565E+22
Surface area
5.287659508729E+15
Circumference
128886276.48942
Perimeter
82051552
Area
420778574100544
Diagonal
29009604.41304
Surface area
2524671444603264
Volume
8.6313837633242E+21
Space diagonal
35529364.22597
Perimeter
61538664
Area
1.8220246726963E+14
Altitude
17764682.112985
Surface area
1.8220246726963E+14
Volume
1.0172183316783E+21
Height
9669868.1376801