20045145 is an odd 8-digits composite number following 20045144
and preceding 20045146 . In scientific notation, it is written as 2.0045145 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 10690736 positive integers (up to 20045145) that are relatively prime to 20045145.
20045145 has 8 divisors, whose sum is 32072256
The reverse of 20045145 is 54154002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million forty-five thousand one hundred forty-five
Scientific notation
2.0045145 × 10^7
Engineering notation
2.0045145 × 10^6
Prime Factorization
3 × 5 × 1336343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20045145
Product of the distinct prime numbers
The prime factorization of 20045145 is 3 × 5 × 1336343.
Since it has a total of 3 prime factors.
6 , 3 , 14 , 90 , 252 , 140 , 4587 , 4025 , 18492 , 21646 , 711466 , 246515 , 3520950 , 6693071 , 83614010 , 65959367 , 192459370 , 370587497 , 6128783807 , 9280185040
n×2
40090290
n×3
60135435
n×4
80180580
n×5
100225725
n÷2
10022572.5
n÷3
6681715
n÷3
5011286.25
n÷5
4009029
n2
401807838071025
n3
8.0542963762702E+21
n4
1.6144953873531E+29
n5
3.2362794141324E+36
2 √n
4477.1804743611
3 √n
271.64584548586
4 √n
66.911736447062
5 √n
28.867012510199
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
-20045144
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 20045145 can be divided by 8 positive divisors.
The sum of these divisors (counting 20045145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011101110101011001
3
Ternary
1101201101202210
4
Quaternary
1030131311121
5
Quinary
20112421040
6
Senary
1553345333
8
Octal
114356531
10
Decimal
20045145
12
Duodecimal
6868249
16
Hexadecimal
131dd59
20
Vigesimal
655ch5
36
Base36
bxmxl
md5
5465713047275dd2826a52cf657c0475
sha1
bf9c0388b83808512cd878ce37b48979498e23e2
sha256
73450fec35879513566a8dbbb58bf5602f135f038f5497e32acccb9b806e4175
sha512
528d61ae732b73dd962d0e816f65e8519bec0d4fffd7065bd37397bcaf058126d1140706b005a85dac3af8cbe95e6d32861195fddcaa20da6878f91ed58f2caa
ripemd-160
234d04fc82fb69c24dd89796d53d61717432ac44
Diameter
40090290
Circumference
125947360.54428
Area
1.2623165522387E+15
Volume
3.3737757767367E+22
Surface area
5.0492662089549E+15
Circumference
125947360.54428
Perimeter
80180580
Area
401807838071025
Diagonal
28348115.918735
Surface area
2410847028426150
Volume
8.0542963762702E+21
Space diagonal
34719209.585085
Perimeter
60135435
Area
1.7398789760461E+14
Altitude
17359604.792543
Surface area
1.7398789760461E+14
Volume
9.4920793089115E+20
Height
9449371.9729117