20138935 is an odd 8-digits composite number following 20138934
and preceding 20138936 . In scientific notation, it is written as 2.0138935 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 16111144 positive integers (up to 20138935) that are relatively prime to 20138935.
20138935 has 4 divisors, whose sum is 24166728
The reverse of 20138935 is 53983102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-eight thousand nine hundred thirty-five
Scientific notation
2.0138935 × 10^7
Engineering notation
2.0138935 × 10^6
Prime Factorization
5 × 4027787
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20138935
Product of the distinct prime numbers
The prime factorization of 20138935 is 5 × 4027787.
Since it has a total of 2 prime factors.
8 , 3 , 62 , 89 , 994 , 334 , 4492 , 7064 , 27687 , 77339 , 250129 , 240825 , 4952802 , 5289950 , 28182658 , 84864095 , 490364816 , 737457621 , 333952944 , 6009958448
n×2
40277870
n×3
60416805
n×4
80555740
n×5
100694675
n÷2
10069467.5
n÷3
6712978.3333333
n÷3
5034733.75
n÷5
4027787
n2
405576702934225
n3
8.1678828579067E+21
n4
1.64492461963E+29
n5
3.3127029994628E+36
2 √n
4487.6424768468
3 √n
272.06885781922
4 √n
66.98986846417
5 √n
28.893975489111
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
-20138934
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 20138935 can be divided by 4 positive divisors.
The sum of these divisors (counting 20138935) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100101110110111
3
Ternary
1101220011102111
4
Quaternary
1030310232313
5
Quinary
20123421220
6
Senary
1555351451
8
Octal
114645667
10
Decimal
20138935
12
Duodecimal
68b2587
16
Hexadecimal
1334bb7
20
Vigesimal
65h76f
36
Base36
bznav
md5
248fd9bda2dfaff6f873e53b2c468484
sha1
c576311ba51502d9c78dceaf85d1f12c7bfea510
sha256
144206c57226f6bd838e3a97d4dba31e581b2e8b7bd0a84f9f38eaddf2f7d452
sha512
e29733495734543b99621ece39f5a3b2e7fd4df4f6123b3be687d5c04ee96a3fe4d8cb4e522599eb8cec5a9a65e4130b280a31d4800ca387735354497187ece6
ripemd-160
0cda0d2839dc51b16e669ba06e266bfe7a3f8a09
Diameter
40277870
Circumference
126536660.49424
Area
1.2741567904053E+15
Volume
3.4213547709042E+22
Surface area
5.0966271616213E+15
Circumference
126536660.49424
Perimeter
80555740
Area
405576702934225
Diagonal
28480755.00875
Surface area
2433460217605350
Volume
8.1678828579067E+21
Space diagonal
34881658.630327
Perimeter
60416805
Area
1.7561986396209E+14
Altitude
17440829.315164
Surface area
1.7561986396209E+14
Volume
9.6259422612719E+20
Height
9493585.0029167