20161690 is an even 8-digits composite number following 20161689
and preceding 20161691 . In scientific notation, it is written as 2.0161690 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 8043840 positive integers (up to 20161690) that are relatively prime to 20161690.
20161690 has 16 divisors, whose sum is 36384840
The reverse of 20161690 is 09616102
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred sixty-one thousand six hundred ninety
Scientific notation
2.0161690 × 10^7
Engineering notation
2.0161690 × 10^6
Prime Factorization
2 × 5 × 421 × 4789
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20161690
Product of the distinct prime numbers
The prime factorization of 20161690 is 2 × 5 × 421 × 4789.
Since it has a total of 4 prime factors.
9 , 1 , 33 , 51 , 449 , 439 , 8957 , 9224 , 91358 , 20211 , 34596 , 825386 , 5287711 , 1092981 , 28047537 , 98003070 , 879852992 , 698813658 , 8244369163 , 9106649472
n×2
40323380
n×3
60485070
n×4
80646760
n×5
100808450
n÷2
10080845
n÷3
6720563.3333333
n÷3
5040422.5
n÷5
4032338
n2
406493743656100
n3
8.1956008465338E+21
n4
1.6523716363155E+29
n5
3.3314604696186E+36
2 √n
4490.1770566426
3 √n
272.17128952859
4 √n
67.00878342906
5 √n
28.900502005609
1 , 2 , 5 , 10 , 421 , 842 , 2105 , 4210 , 4789 , 9578 , 23945 , 47890 , 2016169 , 4032338 , 10080845 , 20161690
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
-20161689
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 20161690 can be divided by 16 positive divisors.
The sum of these divisors (counting 20161690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010010010011010
3
Ternary
1101221022122021
4
Quaternary
1030322102122
5
Quinary
20130133230
6
Senary
2000045054
8
Octal
114722232
10
Decimal
20161690
12
Duodecimal
690378a
16
Hexadecimal
133a49a
20
Vigesimal
66044a
36
Base36
c04uy
md5
ffc995e26d2f821a51486f21188fedb6
sha1
7250183f7dc2d36bf2cbff70d6fab8c8404bd9ed
sha256
de6170f4e729fc2f5ba50f8d10842c355d2a70d9ac77091583a7f786116ee279
sha512
f96ebb36dd52be58a74771076f02bb1374ad2b922b94463f42a39ac881a706b2e57793419dab3d6ba25ea85ccbfc63aea6d32794fb22ca42e16049e31a67a84a
ripemd-160
fa9914f99042161cecf3a244cda33df895db7a15
Diameter
40323380
Circumference
126679634.37591
Area
1.2770377588002E+15
Volume
3.43296525483E+22
Surface area
5.1081510352009E+15
Circumference
126679634.37591
Perimeter
80646760
Area
406493743656100
Diagonal
28512935.438362
Surface area
2438962461936600
Volume
8.1956008465338E+21
Space diagonal
34921071.446453
Perimeter
60485070
Area
1.7601695424281E+14
Altitude
17460535.723227
Surface area
1.7601695424281E+14
Volume
9.658608224137E+20
Height
9504311.8127873