20206489 is an odd 8-digits composite number following 20206488
and preceding 20206490 . In scientific notation, it is written as 2.0206489 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 18190656 positive integers (up to 20206489) that are relatively prime to 20206489.
20206489 has 8 divisors, whose sum is 22325760
The reverse of 20206489 is 98460202
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million two hundred six thousand four hundred eighty-nine
Scientific notation
2.0206489 × 10^7
Engineering notation
2.0206489 × 10^6
Prime Factorization
23 × 17 × 51679
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20206489
Product of the distinct prime numbers
The prime factorization of 20206489 is 23 × 17 × 51679.
Since it has a total of 3 prime factors.
10 , 7 , 52 , 42 , 373 , 92 , 8277 , 9582 , 44767 , 12851 , 893505 , 659388 , 8003095 , 1589495 , 44095287 , 30905252 , 752646591 , 424787432 , 7846924256 , 4660943957
n×2
40412978
n×3
60619467
n×4
80825956
n×5
101032445
n÷2
10103244.5
n÷3
6735496.3333333
n÷3
5051622.25
n÷5
4041297.8
n2
408302197707121
n3
8.2503538666448E+21
n4
1.6671068465246E+29
n5
3.3686376156125E+36
2 √n
4495.1628446587
3 √n
272.37272736833
4 √n
67.04597560375
5 √n
28.913333909946
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
-20206488
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 20206489 can be divided by 8 positive divisors.
The sum of these divisors (counting 20206489) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000101001110011001
3
Ternary
1102000121002111
4
Quaternary
1031011032121
5
Quinary
20133101424
6
Senary
2001032321
8
Octal
115051631
10
Decimal
20206489
12
Duodecimal
69256a1
16
Hexadecimal
1345399
20
Vigesimal
665g49
36
Base36
c13fd
md5
352d4374ff6d1d1e49ceb268f316f908
sha1
19c0118108ac378ae13ef61f0840042d112acf14
sha256
53e18d069dfced90a492a45641e6fd9776a4770b4637070fa673e74424902931
sha512
2978f4a4bb37cf081f3912a3668726456f4be681c64752d295b5b35c7a0daa3d717487d0322b93bde4426932b698ea8921256e07a63af2581996e1a3ae8e9e97
ripemd-160
6b491cedb470d36d42b00e02c40e305fc32a11c8
Diameter
40412978
Circumference
126961114.79449
Area
1.2827191847613E+15
Volume
3.4559001462623E+22
Surface area
5.130876739045E+15
Circumference
126961114.79449
Perimeter
80825956
Area
408302197707121
Diagonal
28576290.791743
Surface area
2449813186242726
Volume
8.2503538666448E+21
Space diagonal
34998665.590582
Perimeter
60619467
Area
1.7680003781769E+14
Altitude
17499332.795291
Surface area
1.7680003781769E+14
Volume
9.7231352771553E+20
Height
9525430.2639143