20011918 is an even 8-digits composite number following 20011917
and preceding 20011919 . In scientific notation, it is written as 2.0011918 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 9864960 positive integers (up to 20011918) that are relatively prime to 20011918.
20011918 has 8 divisors, whose sum is 30440880
The reverse of 20011918 is 81911002
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million eleven thousand nine hundred eighteen
Scientific notation
2.0011918 × 10^7
Engineering notation
2.0011918 × 10^6
Prime Factorization
2 × 71 × 140929
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20011918
Product of the distinct prime numbers
The prime factorization of 20011918 is 2 × 71 × 140929.
Since it has a total of 3 prime factors.
1 , 8 , 82 , 33 , 640 , 864 , 6356 , 1674 , 87969 , 85286 , 587905 , 572170 , 5346833 , 2333820 , 42500824 , 74104256 , 945057961 , 563806004 , 9696724423 , 258777586
n×2
40023836
n×3
60035754
n×4
80047672
n×5
100059590
n÷2
10005959
n÷3
6670639.3333333
n÷3
5002979.5
n÷5
4002383.6
n2
400476862038724
n3
8.0143101240163E+21
n4
1.6038171702838E+29
n5
3.2095457698712E+36
2 √n
4473.4682294613
3 √n
271.49566833517
4 √n
66.883990830851
5 √n
28.857436118256
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
-20011917
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 20011918 can be divided by 8 positive divisors.
The sum of these divisors (counting 20011918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010101101110001110
3
Ternary
1101122201012011
4
Quaternary
1030111232032
5
Quinary
20110340133
6
Senary
1552531434
8
Octal
114255616
10
Decimal
20011918
12
Duodecimal
6850b7a
16
Hexadecimal
1315b8e
20
Vigesimal
6519fi
36
Base36
bwxam
md5
00e976a9a0f5dcaff6710a8f9610e63e
sha1
821d3c7f56906f6380c764014cb34f7b3849811e
sha256
71599978f30a5db881659a23f376af4626ddf9be75af4f2f528f5b20d5c12994
sha512
48ac9948fe2d87988b83ab9527062b998a378e19bdd0627b0513dcb7ff0def2fa4e4037f62a06d13590a539c63bd805d329f1659a3a2ce18c28d50c729365b1d
ripemd-160
9ac2bfadb2d1ce3c2939f4d14a97072b7fbc2f18
Diameter
40023836
Circumference
125738589.14608
Area
1.2581351677135E+15
Volume
3.35702637456E+22
Surface area
5.0325406708542E+15
Circumference
125738589.14608
Perimeter
80047672
Area
400476862038724
Diagonal
28301125.844698
Surface area
2402861172232344
Volume
8.0143101240163E+21
Space diagonal
34661658.732902
Perimeter
60035754
Area
1.7341156807671E+14
Altitude
17330829.366451
Surface area
1.7341156807671E+14
Volume
9.4449550587065E+20
Height
9433708.6148994