20118985 is an odd 8-digits composite number following 20118984
and preceding 20118986 . In scientific notation, it is written as 2.0118985 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 16010160 positive integers (up to 20118985) that are relatively prime to 20118985.
20118985 has 8 divisors, whose sum is 24270336
The reverse of 20118985 is 58981102
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred eighteen thousand nine hundred eighty-five
Scientific notation
2.0118985 × 10^7
Engineering notation
2.0118985 × 10^6
Prime Factorization
5 × 191 × 21067
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20118985
Product of the distinct prime numbers
The prime factorization of 20118985 is 5 × 191 × 21067.
Since it has a total of 3 prime factors.
3 , 6 , 35 , 38 , 222 , 769 , 7963 , 4197 , 6784 , 21122 , 353024 , 346968 , 1884023 , 1595250 , 4720782 , 17910353 , 171174053 , 384079495 , 4445454216 , 6141672336
n×2
40237970
n×3
60356955
n×4
80475940
n×5
100594925
n÷2
10059492.5
n÷3
6706328.3333333
n÷3
5029746.25
n÷5
4023797
n2
404773557430225
n3
8.1436331303353E+21
n4
1.6384163279472E+29
n5
3.2963273525725E+36
2 √n
4485.4191554413
3 √n
271.97898933007
4 √n
66.973271948154
5 √n
28.888248638534
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20118984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20118985 can be divided by 8 positive divisors.
The sum of these divisors (counting 20118985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101111110111001001
3
Ternary
1101212011001121
4
Quaternary
1030233313021
5
Quinary
20122301420
6
Senary
1555115241
8
Octal
114576711
10
Decimal
20118985
12
Duodecimal
68a2b21
16
Hexadecimal
132fdc9
20
Vigesimal
65eh95
36
Base36
bz7wp
md5
846a44d7657d87fd00a3ad00e4e279ac
sha1
32bb347a693ede13b8612dcfbcaad915b361577a
sha256
c5d7fcc7c4484de8d7c5d455f9e7ffabc319c5de13f56e67cdefdc1c562ba986
sha512
e307116be1a167263d39545597e059c9a89942dad32609ea29cbca1822eba0a4233745574663c6a090b7e1cf6ce9073c36354f4c9d68c094b5cdf38123af3e5e
ripemd-160
a98f1b42d45be8c25098cced130d053baca20440
Diameter
40237970
Circumference
126411310.94737
Area
1.2716336343902E+15
Volume
3.4111970687723E+22
Surface area
5.0865345375608E+15
Circumference
126411310.94737
Perimeter
80475940
Area
404773557430225
Diagonal
28452541.448181
Surface area
2428641344581350
Volume
8.1436331303353E+21
Space diagonal
34847104.216716
Perimeter
60356955
Area
1.7527209175739E+14
Altitude
17423552.108358
Surface area
1.7527209175739E+14
Volume
9.5973636832592E+20
Height
9484180.482727