20145790 is an even 8-digits composite number following 20145789
and preceding 20145791 . In scientific notation, it is written as 2.0145790 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 6817824 positive integers (up to 20145790) that are relatively prime to 20145790.
20145790 has 32 divisors, whose sum is 41978880
The reverse of 20145790 is 09754102
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred forty-five thousand seven hundred ninety
Scientific notation
2.0145790 × 10^7
Engineering notation
2.0145790 × 10^6
Prime Factorization
2 × 5 × 7 × 79 × 3643
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20145790
Product of the distinct prime numbers
The prime factorization of 20145790 is 2 × 5 × 7 × 79 × 3643.
Since it has a total of 5 prime factors.
8 , 2 , 95 , 49 , 374 , 951 , 2506 , 332 , 75156 , 98297 , 201677 , 389027 , 8547875 , 2712187 , 62840285 , 3301023 , 161895234 , 809351102 , 6265136300 , 3207389591
n×2
40291580
n×3
60437370
n×4
80583160
n×5
100728950
n÷2
10072895
n÷3
6715263.3333333
n÷3
5036447.5
n÷5
4029158
n2
405852854724100
n3
8.1762263821722E+21
n4
1.647165396877E+29
n5
3.3183448180751E+36
2 √n
4488.4061759159
3 √n
272.09972374221
4 √n
66.995568330419
5 √n
28.895942238988
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 79 , 158 , 395 , 553 , 790 , 1106 , 2765 , 3643 , 5530 , 7286 , 18215 , 25501 , 36430 , 51002 , 127505 , 255010 , 287797 , 575594 , 1438985 , 2014579 , 2877970 , 4029158 , 10072895 , 20145790
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145789
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145790 can be divided by 32 positive divisors.
The sum of these divisors (counting 20145790) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110110011001111110
3
Ternary
1101220111211101
4
Quaternary
1030312121332
5
Quinary
20124131130
6
Senary
1555443314
8
Octal
114663176
10
Decimal
20145790
12
Duodecimal
68b653a
16
Hexadecimal
133667e
20
Vigesimal
65i49a
36
Base36
bzsla
md5
052610f12ecd341267cffaa0c116727f
sha1
d342291e9958570579e828791d5ccebf8accc7d6
sha256
53876ba09565d336480592adc69f3dfaf6da595887fd6bfd7947c59bf06a4883
sha512
4bc96d51c30290bf5a756537768be32457d59e7d23d52aa57daf2be597f559e5e9472ed6f7eef24654e5c4f5421f13ca473ddcec00eb8bc607d264b246e3df70
ripemd-160
f17431fc8bba44dac58969c6742ef9313bba6f16
Diameter
40291580
Circumference
126579731.72953
Area
1.2750243468397E+15
Volume
3.4248496981759E+22
Surface area
5.1000973873587E+15
Circumference
126579731.72953
Perimeter
80583160
Area
405852854724100
Diagonal
28490449.44272
Surface area
2435117128344600
Volume
8.1762263821722E+21
Space diagonal
34893531.838613
Perimeter
60437370
Area
1.7573944119475E+14
Altitude
17446765.919307
Surface area
1.7573944119475E+14
Volume
9.6357751989172E+20
Height
9496816.4809068