20512889 is an odd 8-digits composite number following 20512888
and preceding 20512890 . In scientific notation, it is written as 2.0512889 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 19805520 positive integers (up to 20512889) that are relatively prime to 20512889.
20512889 has 4 divisors, whose sum is 21220260
The reverse of 20512889 is 98821502
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million five hundred twelve thousand eight hundred eighty-nine
Scientific notation
2.0512889 × 10^7
Engineering notation
2.0512889 × 10^6
Prime Factorization
29 × 707341
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20512889
Product of the distinct prime numbers
The prime factorization of 20512889 is 29 × 707341.
Since it has a total of 2 prime factors.
1 , 6 , 18 , 65 , 533 , 36 , 9066 , 9305 , 71759 , 28661 , 185859 , 493296 , 2364311 , 1752900 , 95872768 , 15052557 , 823488664 , 38783565 , 9144758698 , 6246715121
n×2
41025778
n×3
61538667
n×4
82051556
n×5
102564445
n÷2
10256444.5
n÷3
6837629.6666667
n÷3
5128222.25
n÷5
4102577.8
n2
420778615126321
n3
8.6313850256599E+21
n4
1.7705464294762E+29
n5
3.6319022377193E+36
2 √n
4529.115697352
3 √n
273.74252990743
4 √n
67.298705019874
5 √n
29.000492008398
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
-20512888
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 20512889 can be divided by 4 positive divisors.
The sum of these divisors (counting 20512889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010000000001111001
3
Ternary
1102121011101122
4
Quaternary
1032100001321
5
Quinary
20222403024
6
Senary
2011355025
8
Octal
116200171
10
Decimal
20512889
12
Duodecimal
6a52a75
16
Hexadecimal
1390079
20
Vigesimal
684249
36
Base36
c7nuh
md5
14468e06c51adcee4b4b3fe375e6fccd
sha1
8804cbeb27fa7d2c85bd22ac292bcfd78c5ebed1
sha256
03de8c18f8def6f1454dbb1fa21811258357c342cea3a506b12dcc38d5a34332
sha512
cf911f55283aec0b3595db79351745409c32a5359e8207d514259ab2f54f0c580a1d8994fc9c78d0fae2b58c2ee7fd57d37741fc39e6bb072411f4aee19aa874
ripemd-160
2a26897b6a4a29bf0b636047adf21fea9578f386
Diameter
41025778
Circumference
128886282.77261
Area
1.3219150060685E+15
Volume
3.6155061049224E+22
Surface area
5.2876600242741E+15
Circumference
128886282.77261
Perimeter
82051556
Area
420778615126321
Diagonal
29009605.827254
Surface area
2524671690757926
Volume
8.6313850256599E+21
Space diagonal
35529365.958021
Perimeter
61538667
Area
1.8220248503431E+14
Altitude
17764682.97901
Surface area
1.8220248503431E+14
Volume
1.017218480446E+21
Height
9669868.6090846