20028955 is an odd 8-digits composite number following 20028954
and preceding 20028956 . In scientific notation, it is written as 2.0028955 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 16023160 positive integers (up to 20028955) that are relatively prime to 20028955.
20028955 has 4 divisors, whose sum is 24034752
The reverse of 20028955 is 55982002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million twenty-eight thousand nine hundred fifty-five
Scientific notation
2.0028955 × 10^7
Engineering notation
2.0028955 × 10^6
Prime Factorization
5 × 4005791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20028955
Product of the distinct prime numbers
The prime factorization of 20028955 is 5 × 4005791.
Since it has a total of 2 prime factors.
4 , 8 , 44 , 92 , 292 , 919 , 7226 , 2106 , 17597 , 53882 , 202518 , 409551 , 6742955 , 9669889 , 79224208 , 23574687 , 616202379 , 820360282 , 6252077692 , 881537768
n×2
40057910
n×3
60086865
n×4
80115820
n×5
100144775
n÷2
10014477.5
n÷3
6676318.3333333
n÷3
5007238.75
n÷5
4005791
n2
401159038392025
n3
8.0347963277971E+21
n4
1.6092857408361E+29
n5
3.2232311685349E+36
2 √n
4475.3720515729
3 √n
271.57269176526
4 √n
66.89822158752
5 √n
28.862347959305
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20028954
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20028955 can be divided by 4 positive divisors.
The sum of these divisors (counting 20028955) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011001111000011011
3
Ternary
1101200120120011
4
Quaternary
1030121320123
5
Quinary
20111411310
6
Senary
1553142351
8
Octal
114317033
10
Decimal
20028955
12
Duodecimal
685a9b7
16
Hexadecimal
1319e1b
20
Vigesimal
653c7f
36
Base36
bxafv
md5
5c14ebb3820e27d552f9a9ffdf813a3b
sha1
595447bd0a94db99a54c444c45961e17ea9a6b47
sha256
cc0356cd0be87a494771253449f97ae857e07c44561cf6599c4f8d0c09b6021f
sha512
f09f5abea247f0e58cbb0f8145d100ad4332609167c2bda022d5e4fe97be68a62d0fc756e25920bfad8a98894524b9afad6649e5eede96eedc0f3b431cefa0fa
ripemd-160
11497455e14ba0c2ff1a4b80daaccd88499a5fc7
Diameter
40057910
Circumference
125845635.77416
Area
1.2602782879335E+15
Volume
3.365607615533E+22
Surface area
5.0411131517341E+15
Circumference
125845635.77416
Perimeter
80115820
Area
401159038392025
Diagonal
28325219.80116
Surface area
2406954230352150
Volume
8.0347963277971E+21
Space diagonal
34691167.682511
Perimeter
60086865
Area
1.7370695910262E+14
Altitude
17345583.841255
Surface area
1.7370695910262E+14
Volume
9.4690982813969E+20
Height
9441739.9337201