20145448 is an even 8-digits composite number following 20145447
and preceding 20145449 . In scientific notation, it is written as 2.0145448 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 8 positive divisors.
There are 10072720 positive integers (up to 20145448) that are relatively prime to 20145448.
20145448 has 8 divisors, whose sum is 37772730
The reverse of 20145448 is 84454102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred forty-five thousand four hundred forty-eight
Scientific notation
2.0145448 × 10^7
Engineering notation
2.0145448 × 10^6
Prime Factorization
2 × 2 × 2 × 2518181
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5036362
Product of the distinct prime numbers
The prime factorization of 20145448 is 2 × 2 × 2 × 2518181.
Since it has a total of 4 prime factors.
9 , 10 , 21 , 7 , 953 , 465 , 7293 , 9234 , 93689 , 51398 , 734527 , 364345 , 8775102 , 7607013 , 45289319 , 34180616 , 544054651 , 525987133 , 8827400415 , 7878670336
n×2
40290896
n×3
60436344
n×4
80581792
n×5
100727240
n÷2
10072724
n÷3
6715149.3333333
n÷3
5036362
n÷5
4029089.6
n2
405839075120704
n3
8.1758099842122E+21
n4
1.6470535489483E+29
n5
3.3180631623553E+36
2 √n
4488.3680775979
3 √n
272.09818398904
4 √n
66.995283995203
5 √n
28.895844129365
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145447
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145448 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145448) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110010100101000
3
Ternary
1101220111100201
4
Quaternary
1030312110220
5
Quinary
20124123243
6
Senary
1555441544
8
Octal
114662450
10
Decimal
20145448
12
Duodecimal
68b62b4
16
Hexadecimal
1336528
20
Vigesimal
65i3c8
36
Base36
bzsbs
md5
f82f7c9357fc67916a658103d4018f47
sha1
074a487707981278942159b71328737ea1928f57
sha256
41c4131eedb830c3fd8933d3170b2f99729d4c81968e48da58e76529c68c091a
sha512
4dfd23ed73c5d9abd1994196145121f18292aab2a768d80aad3f6f2095897ad4aa1a7ae0f07b03fd7aa3078dcd904a8b20ed81a40282c1b724d936d0126c37db
ripemd-160
4122e0112d5112e4fe23b7711a409b101ce32c51
Diameter
40290896
Circumference
126577582.88015
Area
1.2749810569389E+15
Volume
3.4246752778063E+22
Surface area
5.0999242277555E+15
Circumference
126577582.88015
Perimeter
80581792
Area
405839075120704
Diagonal
28489965.781682
Surface area
2435034450724224
Volume
8.1758099842122E+21
Space diagonal
34892939.477237
Perimeter
60436344
Area
1.7573347445146E+14
Altitude
17446469.738618
Surface area
1.7573347445146E+14
Volume
9.6352844692153E+20
Height
9496655.2605606