20118891 is an odd 8-digits composite number following 20118890
and preceding 20118892 . In scientific notation, it is written as 2.0118891 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 11721024 positive integers (up to 20118891) that are relatively prime to 20118891.
20118891 has 24 divisors, whose sum is 30510480
The reverse of 20118891 is 19881102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred eighteen thousand eight hundred ninety-one
Scientific notation
2.0118891 × 10^7
Engineering notation
2.0118891 × 10^6
Prime Factorization
13 × 3 × 19 × 19 × 1429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1058889
Product of the distinct prime numbers
The prime factorization of 20118891 is 13 × 3 × 19 × 19 × 1429.
Since it has a total of 5 prime factors.
3 , 4 , 37 , 66 , 443 , 32 , 3206 , 6477 , 82338 , 19009 , 526180 , 243686 , 7518347 , 1477589 , 45576845 , 28078436 , 533942996 , 550230414 , 7712172532 , 3242887250
n×2
40237782
n×3
60356673
n×4
80475564
n×5
100594455
n÷2
10059445.5
n÷3
6706297
n÷3
5029722.75
n÷5
4023778.2
n2
404769775069881
n3
8.1435189847255E+21
n4
1.6383857081012E+29
n5
3.2962503477246E+36
2 √n
4485.4086770327
3 √n
271.97856574898
4 √n
66.973193719821
5 √n
28.888221644126
1 , 3 , 13 , 19 , 39 , 57 , 247 , 361 , 741 , 1083 , 1429 , 4287 , 4693 , 14079 , 18577 , 27151 , 55731 , 81453 , 352963 , 515869 , 1058889 , 1547607 , 6706297 , 20118891
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20118890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20118891 can be divided by 24 positive divisors.
The sum of these divisors (counting 20118891) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100101111110101101011
3
Ternary
1101212010221010
4
Quaternary
1030233311223
5
Quinary
20122301031
6
Senary
1555115003
8
Octal
114576553
10
Decimal
20118891
12
Duodecimal
68a2a63
16
Hexadecimal
132fd6b
20
Vigesimal
65eh4b
36
Base36
bz7u3
md5
8291b18e18f48563993e90aa819497ab
sha1
59d49194f103d2284da2e522f9cc286bbda48aac
sha256
ea01a437d6bc34dc15a3621678fe5ab823710e9f57b436e20de67b06938a148c
sha512
cf14572c2cf0698c879309235969d10cbfe8367965a7771062e66efd8b10eaf95a07e5d03c03f56efeae95671cda01c941e62032a4644adb5cbe37f6a33b76c3
ripemd-160
ada9ed4be3311f7eebaf535b4251eebf8eb16aaf
Diameter
40237782
Circumference
126410720.32795
Area
1.2716217517547E+15
Volume
3.411149255571E+22
Surface area
5.0864870070189E+15
Circumference
126410720.32795
Perimeter
80475564
Area
404769775069881
Diagonal
28452408.512106
Surface area
2428618650419286
Volume
8.1435189847255E+21
Space diagonal
34846941.40394
Perimeter
60356673
Area
1.7527045394732E+14
Altitude
17423470.70197
Surface area
1.7527045394732E+14
Volume
9.5972291613679E+20
Height
9484136.170702