20145554 is an even 8-digits composite number following 20145553
and preceding 20145555 . In scientific notation, it is written as 2.0145554 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8452560 positive integers (up to 20145554) that are relatively prime to 20145554.
20145554 has 16 divisors, whose sum is 35501760
The reverse of 20145554 is 45554102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred forty-five thousand five hundred fifty-four
Scientific notation
2.0145554 × 10^7
Engineering notation
2.0145554 × 10^6
Prime Factorization
2 × 11 × 13 × 70439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145554
Product of the distinct prime numbers
The prime factorization of 20145554 is 2 × 11 × 13 × 70439.
Since it has a total of 4 prime factors.
2 , 8 , 30 , 76 , 274 , 588 , 3961 , 9895 , 43668 , 27579 , 942592 , 971574 , 4744154 , 1453136 , 26665553 , 39891728 , 689466442 , 729316036 , 300304847 , 9249367696
n×2
40291108
n×3
60436662
n×4
80582216
n×5
100727770
n÷2
10072777
n÷3
6715184.6666667
n÷3
5036388.5
n÷5
4029110.8
n2
405843345966916
n3
8.1759390417172E+21
n4
1.6470882146562E+29
n5
3.318150457112E+36
2 √n
4488.3798858831
3 √n
272.09866122434
4 √n
66.99537212288
5 √n
28.895874537753
1 , 2 , 11 , 13 , 22 , 26 , 143 , 286 , 70439 , 140878 , 774829 , 915707 , 1549658 , 1831414 , 10072777 , 20145554
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
-20145553
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 20145554 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145554) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110010110010010
3
Ternary
1101220111111122
4
Quaternary
1030312112102
5
Quinary
20124124204
6
Senary
1555442242
8
Octal
114662622
10
Decimal
20145554
12
Duodecimal
68b6382
16
Hexadecimal
1336592
20
Vigesimal
65i3he
36
Base36
bzseq
md5
3cbe0f2b9c9b98cbdfb189db42f79b88
sha1
668247115e50c0e4e662a14a5549e589742a9900
sha256
177fa11ad7223bcee46b9235df6988082e3a3e1c08cc08564e129085f7c22e31
sha512
15541bcbc884a8e834fb24bb2afebd519ed9c18ca2f301dce3417c3b134f5582a687f5c321259f1c27ac6a9c8bc41edac07d5cb882261e928c61632de6bf3f11
ripemd-160
8ca153ad6adf9d90480366ef9649e376c695449b
Diameter
40291108
Circumference
126578248.89779
Area
1.274994474198E+15
Volume
3.4247293372876E+22
Surface area
5.0999778967919E+15
Circumference
126578248.89779
Perimeter
80582216
Area
405843345966916
Diagonal
28490115.68832
Surface area
2435060075801496
Volume
8.1759390417172E+21
Space diagonal
34893123.074622
Perimeter
60436662
Area
1.7573532378211E+14
Altitude
17446561.537311
Surface area
1.7573532378211E+14
Volume
9.6354365649434E+20
Height
9496705.2294399