20451521 is an odd 8-digits prime number following 20451520
and preceding 20451522 . In scientific notation, it is written as 2.0451521 × 10^7.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 20451520 positive integers (up to 20451521) that are relatively prime to 20451521.
20451521 has 2 divisors, whose sum is 20451522
The reverse of 20451521 is 12515402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million four hundred fifty-one thousand five hundred twenty-one
Scientific notation
2.0451521 × 10^7
Engineering notation
2.0451521 × 10^6
Prime Factorization
20451521
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20451521
Product of the distinct prime numbers
The prime factorization of 20451521 is 20451521.
Since it has a total of 1 prime factors.
4 , 7 , 37 , 48 , 53 , 536 , 8464 , 8400 , 59856 , 3774 , 960784 , 217148 , 9517471 , 8532033 , 45668903 , 31721151 , 966533651 , 351641561 , 7186742518 , 5075769358
n×2
40903042
n×3
61354563
n×4
81806084
n×5
102257605
n÷2
10225760.5
n÷3
6817173.6666667
n÷3
5112880.25
n÷5
4090304.2
n2
418264711213441
n3
8.5541495249406E+21
n4
1.7494536864646E+29
n5
3.5778988807259E+36
2 √n
4522.3357902748
3 √n
273.46927387612
4 √n
67.24831440471
5 √n
28.983119167895
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20451522
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10225761
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4522.3359008371
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999022078
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20451521 can be divided by 2 positive divisors.
The sum of these divisors (counting 20451521) is 20451522, the average is 10225761.
Base
System
Value
2
Binary
1001110000001000011000001
3
Ternary
1102111001012202
4
Quaternary
1032001003001
5
Quinary
20213422041
6
Senary
2010202545
8
Octal
116010301
10
Decimal
20451521
12
Duodecimal
6a23455
16
Hexadecimal
13810c1
20
Vigesimal
67g8g1
36
Base36
c6cht
md5
34b8f253d0fdde602b1e08b9d2b12d04
sha1
db401eadf9ec327775420e119a3427c66d3ab41d
sha256
c01f73145463b46af7dcccca7a57928553aed2b88a79df23cdae53bb91c9b458
sha512
39d67bed1936b87e9f53a75a2f856238a71fd104fdd816d2b2d8e06d77693dc3a16b6918bb5e4daa5304e0bd6a1851d1e8cff62fbfb11b6b6bc8ad8728340add
ripemd-160
509a88c19b35d58417d13d6d48dffb368036ade2
Diameter
40903042
Circumference
128500696.25667
Area
1.314017344004E+15
Volume
3.5831537740349E+22
Surface area
5.256069376016E+15
Circumference
128500696.25667
Perimeter
81806084
Area
418264711213441
Diagonal
28922818.369358
Surface area
2509588267280646
Volume
8.5541495249406E+21
Space diagonal
35423073.464062
Perimeter
61354563
Area
1.811139327087E+14
Altitude
17711536.732031
Surface area
1.811139327087E+14
Volume
1.0081161893949E+21
Height
9640939.4564527