20164981 is an odd 8-digits prime number following 20164980
and preceding 20164982 . In scientific notation, it is written as 2.0164981 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20164980 positive integers (up to 20164981) that are relatively prime to 20164981.
20164981 has 2 divisors, whose sum is 20164982
The reverse of 20164981 is 18946102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred sixty-four thousand nine hundred eighty-one
Scientific notation
2.0164981 × 10^7
Engineering notation
2.0164981 × 10^6
Prime Factorization
20164981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20164981
Product of the distinct prime numbers
The prime factorization of 20164981 is 20164981.
Since it has a total of 1 prime factors.
2 , 5 , 38 , 58 , 540 , 840 , 9017 , 3987 , 89870 , 47166 , 685169 , 149668 , 1592150 , 4364698 , 69205387 , 23708311 , 510636763 , 260504406 , 6260559751 , 7712986637
n×2
40329962
n×3
60494943
n×4
80659924
n×5
100824905
n÷2
10082490.5
n÷3
6721660.3333333
n÷3
5041245.25
n÷5
4032996.2
n2
406626458730361
n3
8.199614814395E+21
n4
1.6534507693959E+29
n5
3.3341803349305E+36
2 √n
4490.5435083072
3 √n
272.18609759581
4 √n
67.011517728725
5 √n
28.901445431905
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20164982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10082491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4490.5436196523
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999008182
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20164981 can be divided by 2 positive divisors.
The sum of these divisors (counting 20164981) is 20164982, the average is 10082491.
Base
System
Value
2
Binary
1001100111011000101110101
3
Ternary
1101221111011011
4
Quaternary
1030323011311
5
Quinary
20130234411
6
Senary
2000112221
8
Octal
114730565
10
Decimal
20164981
12
Duodecimal
6905671
16
Hexadecimal
133b175
20
Vigesimal
660c91
36
Base36
c07ed
md5
07b3c6818028f9438ac0a56977810b9e
sha1
1fee7dc51f69ddd332524bbf0841f271ee6abc9e
sha256
c0708275bf8532b1ea6b2117ead1fe4125ca9b2deced65a96bac422f6e760e42
sha512
182bd62a53211a18d38035775ea73263a53a2c2d09ee988eb15ca511c9c1de11826a3ee7952a43b20dc1ef862b96e58a31669a946159eae3e66a6171e4595e3e
ripemd-160
ff76289c1034e2c68a8c6cc6404c01b05e7d6337
Diameter
40329962
Circumference
126700312.33876
Area
1.2774546955025E+15
Volume
3.4346466217559E+22
Surface area
5.1098187820101E+15
Circumference
126700312.33876
Perimeter
80659924
Area
406626458730361
Diagonal
28517589.615196
Surface area
2439758752382166
Volume
8.199614814395E+21
Space diagonal
34926771.625661
Perimeter
60494943
Area
1.760744215557E+14
Altitude
17463385.812831
Surface area
1.760744215557E+14
Volume
9.6633387306273E+20
Height
9505863.2050653