20689930 is an even 8-digits composite number following 20689929
and preceding 20689931 . In scientific notation, it is written as 2.0689930 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 8242000 positive integers (up to 20689930) that are relatively prime to 20689930.
20689930 has 16 divisors, whose sum is 37394784
The reverse of 20689930 is 03998602
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million six hundred eighty-nine thousand nine hundred thirty
Scientific notation
2.0689930 × 10^7
Engineering notation
2.0689930 × 10^6
Prime Factorization
2 × 5 × 251 × 8243
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20689930
Product of the distinct prime numbers
The prime factorization of 20689930 is 2 × 5 × 251 × 8243.
Since it has a total of 4 prime factors.
2 , 6 , 99 , 85 , 388 , 447 , 644 , 1134 , 3521 , 75529 , 991051 , 591353 , 1245436 , 6466609 , 72621950 , 59193174 , 149132378 , 120786381 , 233432026 , 5101944045
n×2
41379860
n×3
62069790
n×4
82759720
n×5
103449650
n÷2
10344965
n÷3
6896643.3333333
n÷3
5172482.5
n÷5
4137986
n2
428073203404900
n3
8.8568046133231E+21
n4
1.8324666747333E+29
n5
3.7913607227565E+36
2 √n
4548.6184715801
3 √n
274.52780675682
4 √n
67.443446468728
5 √n
29.05037910468
1 , 2 , 5 , 10 , 251 , 502 , 1255 , 2510 , 8243 , 16486 , 41215 , 82430 , 2068993 , 4137986 , 10344965 , 20689930
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20689929
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20689930 can be divided by 16 positive divisors.
The sum of these divisors (counting 20689930) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111011010000001010
3
Ternary
1102221011020201
4
Quaternary
1032323100022
5
Quinary
20244034210
6
Senary
2015242414
8
Octal
116732012
10
Decimal
20689930
12
Duodecimal
6b1940a
16
Hexadecimal
13bb40a
20
Vigesimal
6964ga
36
Base36
cbgga
md5
e81db439ea7ce34513aae1f3b9777bea
sha1
3cbe7892ebdee837b906d0a1f151e7e8c0edf851
sha256
cdd4a7876386835004ceae9e2b2e502f5609c2046a1feaa185d2ecf003cb100e
sha512
475f9701065c511709488741dd8ce60a51d36a5de13637c91bed64a7afa6f839a440cb95f5614953319ffd30ab01a66d75dfb87bd214e164d08d476564653f41
ripemd-160
f266716a79b99b26a4a69225943483e19df865dc
Diameter
41379860
Circumference
129998664.18257
Area
1.3448316310155E+15
Volume
3.7099296409995E+22
Surface area
5.3793265240619E+15
Circumference
129998664.18257
Perimeter
82759720
Area
428073203404900
Diagonal
29259979.61055
Surface area
2568439220429400
Volume
8.8568046133231E+21
Space diagonal
35836009.965044
Perimeter
62069790
Area
1.8536113441401E+14
Altitude
17918004.982522
Surface area
1.8536113441401E+14
Volume
1.0437844336208E+21
Height
9753326.53685