20138984 is an even 8-digits composite number following 20138983
and preceding 20138985 . In scientific notation, it is written as 2.0138984 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors.
There are 9631600 positive integers (up to 20138984) that are relatively prime to 20138984.
20138984 has 16 divisors, whose sum is 39402720
The reverse of 20138984 is 48983102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred thirty-eight thousand nine hundred eighty-four
Scientific notation
2.0138984 × 10^7
Engineering notation
2.0138984 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 109451
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5034746
Product of the distinct prime numbers
The prime factorization of 20138984 is 2 × 2 × 2 × 23 × 109451.
Since it has a total of 5 prime factors.
7 , 4 , 49 , 96 , 12 , 1000 , 5723 , 837 , 76519 , 38738 , 401185 , 682861 , 2582063 , 7339948 , 40229037 , 84652914 , 231469804 , 85710012 , 9317429129 , 8882734868
n×2
40277968
n×3
60416952
n×4
80555936
n×5
100694920
n÷2
10069492
n÷3
6712994.6666667
n÷3
5034746
n÷5
4027796.8
n2
405578676552256
n3
8.1679424778271E+21
n4
1.6449406287388E+29
n5
3.3127433003121E+36
2 √n
4487.6479362802
3 √n
272.06907847576
4 √n
66.98990921236
5 √n
28.893989549472
1 , 2 , 4 , 8 , 23 , 46 , 92 , 184 , 109451 , 218902 , 437804 , 875608 , 2517373 , 5034746 , 10069492 , 20138984
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
-20138983
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 20138984 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138984) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100101111101000
3
Ternary
1101220011111022
4
Quaternary
1030310233220
5
Quinary
20123421414
6
Senary
1555352012
8
Octal
114645750
10
Decimal
20138984
12
Duodecimal
68b2608
16
Hexadecimal
1334be8
20
Vigesimal
65h794
36
Base36
bznc8
md5
85cc37b3d63f1811a6b8b348d1a0bab7
sha1
4ad3d19f1ef36ffce45cdca5a829ca7582b3ea92
sha256
11b3f3eb22b553577b131e1765ac28f933d6a517dde1d06cf52d0d073551d179
sha512
4662c116d57c237f6bfc6e65be85983acae7e259f77085b7168f68e9fa04f39275ba054f40ec37965486deb52e69d9f26d64d23044d7a7f9ae222e7e975483a1
ripemd-160
6fd025148427309adcf1243eec4463e68b125120
Diameter
40277968
Circumference
126536968.37032
Area
1.2741629907092E+15
Volume
3.4213797444381E+22
Surface area
5.096651962837E+15
Circumference
126536968.37032
Perimeter
80555936
Area
405578676552256
Diagonal
28480824.305215
Surface area
2433472059313536
Volume
8.1679424778271E+21
Space diagonal
34881743.500817
Perimeter
60416952
Area
1.7562071856376E+14
Altitude
17440871.750408
Surface area
1.7562071856376E+14
Volume
9.6260125240219E+20
Height
9493608.1017383