20172709 is an odd 8-digits composite number following 20172708
and preceding 20172710 . In scientific notation, it is written as 2.0172709 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 20100640 positive integers (up to 20172709) that are relatively prime to 20172709.
20172709 has 4 divisors, whose sum is 20244780
The reverse of 20172709 is 90727102
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred seventy-two thousand seven hundred nine
Scientific notation
2.0172709 × 10^7
Engineering notation
2.0172709 × 10^6
Prime Factorization
281 × 71789
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20172709
Product of the distinct prime numbers
The prime factorization of 20172709 is 281 × 71789.
Since it has a total of 2 prime factors.
2 , 3 , 16 , 76 , 220 , 963 , 4839 , 6349 , 22953 , 75526 , 704598 , 800638 , 3310904 , 264380 , 87415899 , 39209558 , 643889561 , 326182318 , 8350283877 , 1004802792
n×2
40345418
n×3
60518127
n×4
80690836
n×5
100863545
n÷2
10086354.5
n÷3
6724236.3333333
n÷3
5043177.25
n÷5
4034541.8
n2
406938188398681
n3
8.2090456555538E+21
n4
1.655986891772E+29
n5
3.3405741675531E+36
2 √n
4491.4039007865
3 √n
272.22086389869
4 √n
67.017937157051
5 √n
28.903660322557
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20172708
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20172709 can be divided by 4 positive divisors.
The sum of these divisors (counting 20172709) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100111110100101
3
Ternary
1101221212202101
4
Quaternary
1030330332211
5
Quinary
20131011314
6
Senary
2000212101
8
Octal
114747645
10
Decimal
20172709
12
Duodecimal
690a031
16
Hexadecimal
133cfa5
20
Vigesimal
661bf9
36
Base36
c0dd1
md5
1cfa83fcc978315b46d20923333fa71e
sha1
2ffb85332520e70f0e45dbc5c20f22703e9481c5
sha256
bba30b32b36c2811a3bb814ff70f6138084ee4f8a4d8c0234fd1da30569e24b0
sha512
a50008f2d2570d62fbbde6be7e3e0cb621148e56ccd43fa9147cb6f7024e7cb693725f2ecd83ff812cd89fdd00b34553387dfb2741ac725fdc241796633403cd
ripemd-160
fab6d4d88ad91189e7d2441de4fe98d34455127f
Diameter
40345418
Circumference
126748868.79481
Area
1.2784340231384E+15
Volume
3.4385970032628E+22
Surface area
5.1137360925537E+15
Circumference
126748868.79481
Perimeter
80690836
Area
406938188398681
Diagonal
28528518.657606
Surface area
2441629130392086
Volume
8.2090456555538E+21
Space diagonal
34940156.914302
Perimeter
60518127
Area
1.7620940446164E+14
Altitude
17470078.457151
Surface area
1.7620940446164E+14
Volume
9.6744530835201E+20
Height
9509506.2192019