20145485 is an odd 8-digits composite number following 20145484
and preceding 20145486 . In scientific notation, it is written as 2.0145485 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 16116384 positive integers (up to 20145485) that are relatively prime to 20145485.
20145485 has 4 divisors, whose sum is 24174588
The reverse of 20145485 is 58454102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred forty-five thousand four hundred eighty-five
Scientific notation
2.0145485 × 10^7
Engineering notation
2.0145485 × 10^6
Prime Factorization
5 × 4029097
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145485
Product of the distinct prime numbers
The prime factorization of 20145485 is 5 × 4029097.
Since it has a total of 2 prime factors.
5 , 6 , 2 , 38 , 185 , 40 , 1640 , 5675 , 24882 , 89676 , 767420 , 870915 , 1008750 , 7355723 , 37261308 , 29682508 , 576496548 , 537367318 , 1537349063 , 9853968724
n×2
40290970
n×3
60436455
n×4
80581940
n×5
100727425
n÷2
10072742.5
n÷3
6715161.6666667
n÷3
5036371.25
n÷5
4029097
n2
405840565885225
n3
8.1758550324323E+21
n4
1.6470656491804E+29
n5
3.3180936329579E+36
2 √n
4488.3721993614
3 √n
272.09835057136
4 √n
66.99531475679
5 √n
28.895854743628
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
-20145484
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 20145485 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145485) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110010101001101
3
Ternary
1101220111102002
4
Quaternary
1030312111031
5
Quinary
20124123420
6
Senary
1555442045
8
Octal
114662515
10
Decimal
20145485
12
Duodecimal
68b6325
16
Hexadecimal
133654d
20
Vigesimal
65i3e5
36
Base36
bzsct
md5
7da405eb402ea8bf19cdb4a72be5e1f4
sha1
d18026043054b7a6069ca1825b67713ec7e069bf
sha256
f7e4d77f29b70b7151ec52c64e4f56c94ea834c4a3a40a86aef4bdf88aa8d517
sha512
a05cdca1164c2462260f2e6e9a9d430e39492cd4d529ee7ef9f542227c83472a475acbe1799a57a48254931feed96c886bfae7ff7aa840938d67a6edc14f4744
ripemd-160
f4da6fcc3846a68e937640864ba96a9ee57bcf48
Diameter
40290970
Circumference
126577815.35801
Area
1.2749857403137E+15
Volume
3.4246941475606E+22
Surface area
5.099942961255E+15
Circumference
126577815.35801
Perimeter
80581940
Area
405840565885225
Diagonal
28490018.107584
Surface area
2435043395311350
Volume
8.1758550324323E+21
Space diagonal
34893003.563117
Perimeter
60436455
Area
1.7573411997143E+14
Altitude
17446501.781558
Surface area
1.7573411997143E+14
Volume
9.6353375590517E+20
Height
9496672.7025279