20697680 is an even 8-digits composite number following 20697679
and preceding 20697681 . In scientific notation, it is written as 2.0697680 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 8279040 positive integers (up to 20697680) that are relatively prime to 20697680.
20697680 has 20 divisors, whose sum is 48122292
The reverse of 20697680 is 08679602
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred ninety-seven thousand six hundred eighty
Scientific notation
2.0697680 × 10^7
Engineering notation
2.0697680 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 258721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2587210
Product of the distinct prime numbers
The prime factorization of 20697680 is 2 × 2 × 2 × 2 × 5 × 258721.
Since it has a total of 6 prime factors.
8 , 10 , 82 , 76 , 126 , 843 , 6919 , 9488 , 25653 , 31437 , 487868 , 546150 , 5078726 , 3048871 , 61121046 , 19772244 , 580409124 , 235326751 , 3387706439 , 4741614818
n×2
41395360
n×3
62093040
n×4
82790720
n×5
103488400
n÷2
10348840
n÷3
6899226.6666667
n÷3
5174420
n÷5
4139536
n2
428393957382400
n3
8.8667610438346E+21
n4
1.8352138272175E+29
n5
3.7984668527324E+36
2 √n
4549.470298837
3 √n
274.56207986952
4 √n
67.449761295627
5 √n
29.05255510733
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 258721 , 517442 , 1034884 , 1293605 , 2069768 , 2587210 , 4139536 , 5174420 , 10348840 , 20697680
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20697679
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20697680 can be divided by 20 positive divisors.
The sum of these divisors (counting 20697680) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110111101001001010000
3
Ternary
1102221112212202
4
Quaternary
1032331021100
5
Quinary
20244311210
6
Senary
2015342332
8
Octal
116751120
10
Decimal
20697680
12
Duodecimal
6b219a8
16
Hexadecimal
13bd250
20
Vigesimal
697440
36
Base36
cbmfk
md5
4bc12b6b07d0c3ae8c33f0ba77573818
sha1
edb54fe86d6b0409173911dd389320354bf6d404
sha256
6bfd7ae7163ecca7af988b47a6689946f0a4f69d97049a6f5cbdb2d2701056a2
sha512
bab90cf78b63709db98c52eb20f2d4b8d20fd74b1f0b406eb046d4d11524f2abca447d5b67450c6ca129287017c092fe59909c8ed27de06f881415fe4a2f38e3
ripemd-160
12d9242cd696392dcd6d7b83e3df22abcdf014b1
Diameter
41395360
Circumference
130047358.8687
Area
1.3458393093548E+15
Volume
3.7141001808596E+22
Surface area
5.3833572374192E+15
Circumference
130047358.8687
Perimeter
82790720
Area
428393957382400
Diagonal
29270939.765658
Surface area
2570363744294400
Volume
8.8667610438346E+21
Space diagonal
35849433.358802
Perimeter
62093040
Area
1.8550002496045E+14
Altitude
17924716.679401
Surface area
1.8550002496045E+14
Volume
1.0449578102094E+21
Height
9756979.9218861