20021688 is an even 8-digits composite number following 20021687
and preceding 20021689 . In scientific notation, it is written as 2.0021688 × 10^7.
The sum of its digits is 27. It has a total of 7 prime factors and 32 positive divisors.
There are 6673824 positive integers (up to 20021688) that are relatively prime to 20021688.
20021688 has 32 divisors, whose sum is 55616400
The reverse of 20021688 is 88612002
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million twenty-one thousand six hundred eighty-eight
Scientific notation
2.0021688 × 10^7
Engineering notation
2.0021688 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 3 × 3 × 92693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
556158
Product of the distinct prime numbers
The prime factorization of 20021688 is 2 × 2 × 2 × 3 × 3 × 3 × 92693.
Since it has a total of 7 prime factors.
8 , 3 , 87 , 86 , 440 , 477 , 4213 , 8499 , 4812 , 86428 , 913747 , 993131 , 8201757 , 9773424 , 42963319 , 49456684 , 521969095 , 516847022 , 5281796045 , 9834024895
n×2
40043376
n×3
60065064
n×4
80086752
n×5
100108440
n÷2
10010844
n÷3
6673896
n÷3
5005422
n÷5
4004337.6
n2
400867990369344
n3
8.026053832362E+21
n4
1.6069514570276E+29
n5
3.2173880703751E+36
2 √n
4474.5600901094
3 √n
271.53984336354
4 √n
66.892152679589
5 √n
28.860253260614
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 18 , 24 , 27 , 36 , 54 , 72 , 108 , 216 , 92693 , 185386 , 278079 , 370772 , 556158 , 741544 , 834237 , 1112316 , 1668474 , 2224632 , 2502711 , 3336948 , 5005422 , 6673896 , 10010844 , 20021688
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20021687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20021688 can be divided by 32 positive divisors.
The sum of these divisors (counting 20021688) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100011000000110111000
3
Ternary
1101200012121000
4
Quaternary
1030120012320
5
Quinary
20111143223
6
Senary
1553045000
8
Octal
114300670
10
Decimal
20021688
12
Duodecimal
6856760
16
Hexadecimal
13181b8
20
Vigesimal
652e48
36
Base36
bx4u0
md5
7941e322217e9adf78ad6f6cc582d397
sha1
e72b5d5e6f3fdf5d4b5869f5ebea369690579537
sha256
51e0fae6fef026876cd2149382b2c10cf3667ea3697dabb565248ec4a4b293aa
sha512
01eb56c12243670901c99ed702453063cc47eee351a8722e79bbcc426439852ce8f038df4463a60e89d3de12e8184b0a869c7e6471e1db37a0e88890771b5a5d
ripemd-160
f54048c7f9f782c129805c43553ca110ecec5c4f
Diameter
40043376
Circumference
125799975.86653
Area
1.2593639336036E+15
Volume
3.3619455676086E+22
Surface area
5.0374557344145E+15
Circumference
125799975.86653
Perimeter
80086752
Area
400867990369344
Diagonal
28314942.711203
Surface area
2405207942216064
Volume
8.026053832362E+21
Space diagonal
34678580.869292
Perimeter
60065064
Area
1.7358093161193E+14
Altitude
17339290.434646
Surface area
1.7358093161193E+14
Volume
9.4587951517191E+20
Height
9438314.2370676