20160991 is an odd 8-digits composite number following 20160990
and preceding 20160992 . In scientific notation, it is written as 2.0160991 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 20151832 positive integers (up to 20160991) that are relatively prime to 20160991.
20160991 has 4 divisors, whose sum is 20170152
The reverse of 20160991 is 19906102
Previous prime number is 3677
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred sixty thousand nine hundred ninety-one
Scientific notation
2.0160991 × 10^7
Engineering notation
2.0160991 × 10^6
Prime Factorization
3677 × 5483
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20160991
Product of the distinct prime numbers
The prime factorization of 20160991 is 3677 × 5483.
Since it has a total of 2 prime factors.
7 , 3 , 71 , 34 , 651 , 890 , 2657 , 5119 , 62136 , 85090 , 264246 , 442706 , 6454015 , 4720715 , 12977841 , 97176985 , 337717608 , 70150166 , 1738956367 , 3789490613
n×2
40321982
n×3
60482973
n×4
80643964
n×5
100804955
n÷2
10080495.5
n÷3
6720330.3333333
n÷3
5040247.75
n÷5
4032198.2
n2
406465558102081
n3
8.194748458706E+21
n4
1.6521424992324E+29
n5
3.3308830057741E+36
2 √n
4490.0992193937
3 √n
272.16814412544
4 √n
67.008202627691
5 √n
28.900301608409
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
-20160990
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 20160991 can be divided by 4 positive divisors.
The sum of these divisors (counting 20160991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111010000111011111
3
Ternary
1101221021200101
4
Quaternary
1030322013133
5
Quinary
20130122431
6
Senary
2000041531
8
Octal
114720737
10
Decimal
20160991
12
Duodecimal
69032a7
16
Hexadecimal
133a1df
20
Vigesimal
66029b
36
Base36
c04bj
md5
ba7fd9a18eb5f03808dd5f7bb42b21d2
sha1
eed2af5067271a100fa9cccdb2aa7662bb44200f
sha256
56bed78b53088ebea99de355708465311bf8b3d039aa2ffd8c273c1b905b2fe7
sha512
9e78fac1899b55c1874ab5c4a4d9f9d36c0cc74c00f28e15e77654401f40d1b46c46fabb3fab1371c19751785ded12319ab4fd43e3e00eba4ce9cb4befdb5128
ripemd-160
14814bcd6ee3cd41f036208f51aad63c7aba525f
Diameter
40321982
Circumference
126675242.42938
Area
1.2769492112708E+15
Volume
3.4326082074516E+22
Surface area
5.1077968450831E+15
Circumference
126675242.42938
Perimeter
80643964
Area
406465558102081
Diagonal
28511946.903082
Surface area
2438793348612486
Volume
8.194748458706E+21
Space diagonal
34919860.742939
Perimeter
60482973
Area
1.7600474953991E+14
Altitude
17459930.371469
Surface area
1.7600474953991E+14
Volume
9.6576036754484E+20
Height
9503982.3010273