20697918 is an even 8-digits composite number following 20697917
and preceding 20697919 . In scientific notation, it is written as 2.0697918 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 6899304 positive integers (up to 20697918) that are relatively prime to 20697918.
20697918 has 8 divisors, whose sum is 41395848
The reverse of 20697918 is 81979602
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million six hundred ninety-seven thousand nine hundred eighteen
Scientific notation
2.0697918 × 10^7
Engineering notation
2.0697918 × 10^6
Prime Factorization
2 × 3 × 3449653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20697918
Product of the distinct prime numbers
The prime factorization of 20697918 is 2 × 3 × 3449653.
Since it has a total of 3 prime factors.
9 , 1 , 45 , 90 , 156 , 875 , 2053 , 2968 , 82524 , 62164 , 554526 , 962682 , 5182504 , 2046829 , 45115857 , 75104259 , 584817788 , 374576694 , 7275023649 , 3567933152
n×2
41395836
n×3
62093754
n×4
82791672
n×5
103489590
n÷2
10348959
n÷3
6899306
n÷3
5174479.5
n÷5
4139583.6
n2
428403809534724
n3
8.8670669206373E+21
n4
1.8352982402386E+29
n5
3.7986852482004E+36
2 √n
4549.4964556531
3 √n
274.56313225035
4 √n
67.449955193855
5 √n
29.052621921353
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
-20697917
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 20697918 can be divided by 8 positive divisors.
The sum of these divisors (counting 20697918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111101001100111110
3
Ternary
1102221120012120
4
Quaternary
1032331030332
5
Quinary
20244313133
6
Senary
2015343410
8
Octal
116751476
10
Decimal
20697918
12
Duodecimal
6b21b66
16
Hexadecimal
13bd33e
20
Vigesimal
6974fi
36
Base36
cbmm6
md5
bc0c685443bb513244bdcb8d61be04db
sha1
18f5634a08c1211cbc350829c347424bca0c2b94
sha256
acfb6a648f4f2e9b6ed7bd856c4dfce53f1195bc0ec7f905bc6bf3cb9bf4758e
sha512
4c9a1dedf43c2ca19fc47f246e8cee74f5ea2741fb702f6e51727a3f750370aa2b82d6e01e329c9826a3a85c7c26b32f5552aaef6bd5ac5530b93a2f4f9937bc
ripemd-160
421e57a9ec7ac5d7956de66169578c03f98f5f97
Diameter
41395836
Circumference
130048854.26681
Area
1.3458702608042E+15
Volume
3.7142283062351E+22
Surface area
5.3834810432167E+15
Circumference
130048854.26681
Perimeter
82791672
Area
428403809534724
Diagonal
29271276.348486
Surface area
2570422857208344
Volume
8.8670669206373E+21
Space diagonal
35849845.586894
Perimeter
62093754
Area
1.8550429106755E+14
Altitude
17924922.793447
Surface area
1.8550429106755E+14
Volume
1.0449938581363E+21
Height
9757092.1161621