20021690 is an even 8-digits composite number following 20021689
and preceding 20021691 . In scientific notation, it is written as 2.0021690 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors.
There are 7349760 positive integers (up to 20021690) that are relatively prime to 20021690.
20021690 has 32 divisors, whose sum is 39036816
The reverse of 20021690 is 09612002
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million twenty-one thousand six hundred ninety
Scientific notation
2.0021690 × 10^7
Engineering notation
2.0021690 × 10^6
Prime Factorization
2 × 5 × 13 × 233 × 661
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20021690
Product of the distinct prime numbers
The prime factorization of 20021690 is 2 × 5 × 13 × 233 × 661.
Since it has a total of 5 prime factors.
7 , 2 , 68 , 88 , 386 , 116 , 2146 , 6294 , 72574 , 17183 , 64351 , 618828 , 5085233 , 2035901 , 84815358 , 17068650 , 59942627 , 960856347 , 2080441502 , 941924264
n×2
40043380
n×3
60065070
n×4
80086760
n×5
100108450
n÷2
10010845
n÷3
6673896.6666667
n÷3
5005422.5
n÷5
4004338
n2
400868070456100
n3
8.0260562375702E+21
n4
1.606952099112E+29
n5
3.2173896773269E+36
2 √n
4474.5603135951
3 √n
271.53985240507
4 √n
66.892154350081
5 √n
28.860253837193
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 233 , 466 , 661 , 1165 , 1322 , 2330 , 3029 , 3305 , 6058 , 6610 , 8593 , 15145 , 17186 , 30290 , 42965 , 85930 , 154013 , 308026 , 770065 , 1540130 , 2002169 , 4004338 , 10010845 , 20021690
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
-20021689
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 20021690 can be divided by 32 positive divisors.
The sum of these divisors (counting 20021690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100011000000110111010
3
Ternary
1101200012121002
4
Quaternary
1030120012322
5
Quinary
20111143230
6
Senary
1553045002
8
Octal
114300672
10
Decimal
20021690
12
Duodecimal
6856762
16
Hexadecimal
13181ba
20
Vigesimal
652e4a
36
Base36
bx4u2
md5
64c24fe14ae78cb2fe926e8b3651483c
sha1
05a1eb5fd554672f29293f5ab276a83ef9bdafb4
sha256
bce867b7c2a570ab89750758d7e768885084b72558fa57f53951bca05f51dd52
sha512
2fd40c208bf0238adb48617095a8071ec7af762bdb8114c6b262491da2192ba7dd3778483eac48046e62300632b7980f0db1902f4f92cb56dda88d7ffc6a4fe0
ripemd-160
13ffe02b5392903305f52022acaf2aab6bc0200c
Diameter
40043380
Circumference
125799988.4329
Area
1.2593641852036E+15
Volume
3.3619465750999E+22
Surface area
5.0374567408144E+15
Circumference
125799988.4329
Perimeter
80086760
Area
400868070456100
Diagonal
28314945.53963
Surface area
2405208422736600
Volume
8.0260562375702E+21
Space diagonal
34678584.333394
Perimeter
60065070
Area
1.7358096629052E+14
Altitude
17339292.166697
Surface area
1.7358096629052E+14
Volume
9.4587979862841E+20
Height
9438315.1798766