20158990 is an even 8-digits composite number following 20158989
and preceding 20158991 . In scientific notation, it is written as 2.0158990 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 7803360 positive integers (up to 20158990) that are relatively prime to 20158990.
20158990 has 16 divisors, whose sum is 37457280
The reverse of 20158990 is 09985102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred fifty-eight thousand nine hundred ninety
Scientific notation
2.0158990 × 10^7
Engineering notation
2.0158990 × 10^6
Prime Factorization
2 × 5 × 31 × 65029
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20158990
Product of the distinct prime numbers
The prime factorization of 20158990 is 2 × 5 × 31 × 65029.
Since it has a total of 4 prime factors.
5 , 3 , 80 , 83 , 732 , 362 , 917 , 7318 , 69546 , 19189 , 702436 , 996774 , 1845117 , 6297396 , 60076216 , 58200229 , 695629034 , 910694502 , 574025254 , 9535326711
n×2
40317980
n×3
60476970
n×4
80635960
n×5
100794950
n÷2
10079495
n÷3
6719663.3333333
n÷3
5039747.5
n÷5
4031798
n2
406384877820100
n3
8.1923086881266E+21
n4
1.6514866892086E+29
n5
3.3292303652889E+36
2 √n
4489.8763902807
3 √n
272.1591395007
4 √n
67.006539906793
5 √n
28.899727908441
1 , 2 , 5 , 10 , 31 , 62 , 155 , 310 , 65029 , 130058 , 325145 , 650290 , 2015899 , 4031798 , 10079495 , 20158990
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20158989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20158990 can be divided by 16 positive divisors.
The sum of these divisors (counting 20158990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111001101000001110
3
Ternary
1101221011221021
4
Quaternary
1030321220032
5
Quinary
20130041430
6
Senary
2000024354
8
Octal
114715016
10
Decimal
20158990
12
Duodecimal
69020ba
16
Hexadecimal
1339a0e
20
Vigesimal
65jh9a
36
Base36
c02ry
md5
93412d8e55f1f87bd17bd78a0ed4db13
sha1
63b7a8e55188654d2165341b47177fc16f725a70
sha256
11d4d385fedcf169296abe783d127e3d4b65d35a221dc098823263a0e2fd2c0d
sha512
6b9875acfaf14241f890250d275b18c858de51abe2e245871158805fce13d40b20feed7b8e2e55689b6e5ff0354935ee467954f9ab54d97f34280d7ad357b46c
ripemd-160
57c7ae4f2de4f81e17d0bed1e151ca3e5b9c89d1
Diameter
40317980
Circumference
126662669.77558
Area
1.2766957466896E+15
Volume
3.4315862387411E+22
Surface area
5.1067829867584E+15
Circumference
126662669.77558
Perimeter
80635960
Area
406384877820100
Diagonal
28509117.061744
Surface area
2438309266920600
Volume
8.1923086881266E+21
Space diagonal
34916394.909273
Perimeter
60476970
Area
1.7596981395302E+14
Altitude
17458197.454636
Surface area
1.7596981395302E+14
Volume
9.6547283782463E+20
Height
9503039.0205812