20145472 is an even 8-digits composite number following 20145471
and preceding 20145473 . In scientific notation, it is written as 2.0145472 × 10^7.
The sum of its digits is 25. It has a total of 8 prime factors and 28 positive divisors.
There are 9542016 positive integers (up to 20145472) that are relatively prime to 20145472.
20145472 has 28 divisors, whose sum is 42082720
The reverse of 20145472 is 27454102
Previous prime number is 19
Is Prime? no Number parity even Number length 8 Sum of Digits 25 Digital Root 7
Name
twenty million one hundred forty-five thousand four hundred seventy-two
Scientific notation
2.0145472 × 10^7
Engineering notation
2.0145472 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 19 × 16567
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
8 Total number of prime factors
rad Radical
629546 Product of the distinct prime numbers
The prime factorization of 20145472 is 2 × 2 × 2 × 2 × 2 × 2 × 19 × 16567.
Since it has a total of 8 prime factors.
4 , 3 , 36 , 69 , 821 , 548 , 5671 , 3771 , 24219 , 88445 , 514486 , 513322 , 3757249 , 7401649 , 70353524 , 54203661 , 126326966 , 261959376 , 8416427479 , 8074384038
n×2
40290944
n×3
60436416
n×4
80581888
n×5
100727360
n÷2
10072736
n÷3
6715157.3333333
n÷3
5036368
n÷5
4029094.4
n2
405840042102784
n3
8.1758392046605E+21
n4
1.6470613977399E+29
n5
3.318082927045E+36
2 √n4488.3707511746
3 √n272.09829204246
4 √n66.99530394867
5 √n28.895851014294
1 , 2 , 4 , 8 , 16 , 19 , 32 , 38 , 64 , 76 , 152 , 304 , 608 , 1216 , 16567 , 33134 , 66268 , 132536 , 265072 , 314773 , 530144 , 629546 , 1060288 , 1259092 , 2518184 , 5036368 , 10072736 , 20145472
28 divisors
τ Total Divisors
28 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-20145471 Sum of the proper positive divisors of n
A Arithmetic Mean
0.035714285714286 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
28 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145472 can be divided by 28 positive divisors.
The sum of these divisors (counting 20145472) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001100110110010101000000
3
Ternary
1101220111101121
4
Quaternary
1030312111000
5
Quinary
20124123342
6
Senary
1555442024
8
Octal
114662500
10
Decimal
20145472
12
Duodecimal
68b6314
16
Hexadecimal
1336540
20
Vigesimal
65i3dc
36
Base36
bzscg
md5
6145fbc96a78e723e57ebab66ac76b90
sha1
ef02bb3c0092018bb2f7654aecb0bea0f9e4dc19
sha256
ffc62cb0b82ef7e22c045cdfe0bed3044b1400557dd63331956428627a3340a9
sha512
b0e7b71a4fd2670a994a887790d5ad464ee675bb33ce1d73d165d2a6a0ae93ed0dfd147bc8a0dde2acff1dbe23d660f1235ba980125e729c33fd67b4325487c6
ripemd-160
f24e41b69411582d200edc147f3d8907303f7e6b
Diameter
40290944
Circumference
126577733.6766
Area
1.2749840948027E+15
Volume
3.424687517639E+22
Surface area
5.0999363792107E+15
Circumference
126577733.6766
Perimeter
80581888
Area
405840042102784
Diagonal
28489999.722807
Surface area
2435040252616704
Volume
8.1758392046605E+21
Space diagonal
34892981.046456
Perimeter
60436416
Area
1.7573389316698E+14
Altitude
17446490.523228
Surface area
1.7573389316698E+14
Volume
9.6353189058437E+20
Height
9496666.5742691