20106990 is an even 8-digits composite number following 20106989
and preceding 20106991 . In scientific notation, it is written as 2.0106990 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 5323968 positive integers (up to 20106990) that are relatively prime to 20106990.
20106990 has 32 divisors, whose sum is 40498560
The reverse of 20106990 is 09960102
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred six thousand nine hundred ninety
Scientific notation
2.0106990 × 10^7
Engineering notation
2.0106990 × 10^6
Prime Factorization
2 × 5 × 9 × 157 × 1423
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20106990
Product of the distinct prime numbers
The prime factorization of 20106990 is 2 × 5 × 9 × 157 × 1423.
Since it has a total of 5 prime factors.
2 , 6 , 73 , 83 , 758 , 656 , 5642 , 2351 , 41521 , 47830 , 385171 , 887054 , 2401186 , 8959317 , 78347924 , 12985284 , 294998528 , 392375188 , 4910177340 , 7512437968
n×2
40213980
n×3
60320970
n×4
80427960
n×5
100534950
n÷2
10053495
n÷3
6702330
n÷3
5026747.5
n÷5
4021398
n2
404291046860100
n3
8.1290760363056E+21
n4
1.6345125057124E+29
n5
3.2865126607233E+36
2 √n
4484.0818458186
3 √n
271.92492701794
4 √n
66.963287298479
5 √n
28.884803164429
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 157 , 314 , 785 , 1413 , 1423 , 1570 , 2826 , 2846 , 7065 , 7115 , 12807 , 14130 , 14230 , 25614 , 64035 , 128070 , 223411 , 446822 , 1117055 , 2010699 , 2234110 , 4021398 , 10053495 , 20106990
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
-20106989
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 20106990 can be divided by 32 positive divisors.
The sum of these divisors (counting 20106990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100101100111011101110
3
Ternary
1101211112121100
4
Quaternary
1030230323232
5
Quinary
20121410430
6
Senary
1554543530
8
Octal
114547356
10
Decimal
20106990
12
Duodecimal
6897ba6
16
Hexadecimal
132ceee
20
Vigesimal
65d79a
36
Base36
byyni
md5
30131fadab223a5a303b38752deffd1d
sha1
0ca824a6f954caed2a72baf325b856428abc6a31
sha256
9cd015539c750eb6c750b20c243e2fb3a6f24968dee9a649d28128bc02afa5aa
sha512
cc9287ee19cbf40cb17de367a6ce1f9ba09d45b093d6f92eb8f237b0756a3673630be3f469d16f9ebfb2fb2c2e0808201c4c3c3d2229c0e5f7b85276c1e8f209
ripemd-160
e9b3b02d2bf4a7fe90f309c7f36163caed8a03f9
Diameter
40213980
Circumference
126335944.13961
Area
1.2701177827278E+15
Volume
3.4050994074841E+22
Surface area
5.0804711309113E+15
Circumference
126335944.13961
Perimeter
80427960
Area
404291046860100
Diagonal
28435577.9565
Surface area
2425746281160600
Volume
8.1290760363056E+21
Space diagonal
34826328.267279
Perimeter
60320970
Area
1.7506315855173E+14
Altitude
17413164.13364
Surface area
1.7506315855173E+14
Volume
9.5802079834212E+20
Height
9478525.9855001