20145492 is an even 8-digits composite number following 20145491
and preceding 20145493 . In scientific notation, it is written as 2.0145492 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 18 positive divisors.
There are 6715152 positive integers (up to 20145492) that are relatively prime to 20145492.
20145492 has 18 divisors, whose sum is 50923418
The reverse of 20145492 is 29454102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-five thousand four hundred ninety-two
Scientific notation
2.0145492 × 10^7
Engineering notation
2.0145492 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 559597
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3357582
Product of the distinct prime numbers
The prime factorization of 20145492 is 2 × 2 × 3 × 3 × 559597.
Since it has a total of 5 prime factors.
8 , 2 , 63 , 61 , 374 , 216 , 5444 , 4149 , 57623 , 50651 , 840293 , 136733 , 163456 , 6242950 , 69774074 , 35750496 , 304730758 , 743880146 , 3616025446 , 3251193425
n×2
40290984
n×3
60436476
n×4
80581968
n×5
100727460
n÷2
10072746
n÷3
6715164
n÷3
5036373
n÷5
4029098.4
n2
405840847922064
n3
8.1758635550872E+21
n4
1.647067938421E+29
n5
3.3180993976917E+36
2 √n
4488.372979154
3 √n
272.09838208692
4 √n
66.995320576545
5 √n
28.89585675173
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 559597 , 1119194 , 1678791 , 2238388 , 3357582 , 5036373 , 6715164 , 10072746 , 20145492
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145491
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145492 can be divided by 18 positive divisors.
The sum of these divisors (counting 20145492) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001100110110010101010100
3
Ternary
1101220111102100
4
Quaternary
1030312111110
5
Quinary
20124123432
6
Senary
1555442100
8
Octal
114662524
10
Decimal
20145492
12
Duodecimal
68b6330
16
Hexadecimal
1336554
20
Vigesimal
65i3ec
36
Base36
bzsd0
md5
f0e9711973bb9adbfef3d3d2e7c4eb9a
sha1
cadfc18bc90146142785c54b4a258462bb5a5e2d
sha256
1e2a44893aa86802bd098826f43fc831433f8ed5d901106b773d6353f01fe2c7
sha512
28997915a60e52dbd201fe2423a59add74817274bb75a6b954ad8637a31222b52ca73111ddf8a8dfda385efb19c60acadf299d6b1bf8441fc47a0c4417e25d2d
ripemd-160
3dfab66fd399cb0cd0cd7dd21deed29b173b58a9
Diameter
40290984
Circumference
126577859.3403
Area
1.2749866263586E+15
Volume
3.4246977175219E+22
Surface area
5.0999465054344E+15
Circumference
126577859.3403
Perimeter
80581968
Area
405840847922064
Diagonal
28490028.007079
Surface area
2435045087532384
Volume
8.1758635550872E+21
Space diagonal
34893015.687472
Perimeter
60436476
Area
1.7573424209696E+14
Altitude
17446507.843736
Surface area
1.7573424209696E+14
Volume
9.6353476030968E+20
Height
9496676.0023596