20138747 is an odd 8-digits composite number following 20138746
and preceding 20138748 . In scientific notation, it is written as 2.0138747 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 19313280 positive integers (up to 20138747) that are relatively prime to 20138747.
20138747 has 8 divisors, whose sum is 20976000
The reverse of 20138747 is 74783102
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred thirty-eight thousand seven hundred forty-seven
Scientific notation
2.0138747 × 10^7
Engineering notation
2.0138747 × 10^6
Prime Factorization
31 × 113 × 5749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138747
Product of the distinct prime numbers
The prime factorization of 20138747 is 31 × 113 × 5749.
Since it has a total of 3 prime factors.
7 , 8 , 35 , 35 , 424 , 928 , 7429 , 8874 , 83737 , 94949 , 725485 , 754493 , 9555808 , 4944350 , 20190359 , 17128495 , 514297857 , 257898101 , 6548087190 , 3226528798
n×2
40277494
n×3
60416241
n×4
80554988
n×5
100693735
n÷2
10069373.5
n÷3
6712915.6666667
n÷3
5034686.75
n÷5
4027749.4
n2
405569130730009
n3
8.1676541147816E+21
n4
1.644863198011E+29
n5
3.3125483794353E+36
2 √n
4487.6215303878
3 √n
272.06801121529
4 √n
66.989712123488
5 √n
28.893921542985
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138746
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138747 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138747) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100101011111011
3
Ternary
1101220011011112
4
Quaternary
1030310223323
5
Quinary
20123414442
6
Senary
1555350535
8
Octal
114645373
10
Decimal
20138747
12
Duodecimal
68b244b
16
Hexadecimal
1334afb
20
Vigesimal
65h6h7
36
Base36
bzn5n
md5
e8aa2d9038f4ab869523f5b47743f81c
sha1
3da418812188c807c17b665f6ca83bd777114f90
sha256
26b8d6d6eccd96e7281eae53eff43924fe3c805c2da164072ba32f39cc8a9011
sha512
488fbf97319e56d2514e5d5e4606fb1733bb805d7b57da12c76358a576a28935827f7668837f817415d338234f371e87628c785e78d9a54f2b3cfd913a15855f
ripemd-160
577f615e0aa91f539278c828840a780403b3383b
Diameter
40277494
Circumference
126535479.25541
Area
1.2741330016242E+15
Volume
3.421258955208E+22
Surface area
5.0965320064968E+15
Circumference
126535479.25541
Perimeter
80554988
Area
405569130730009
Diagonal
28480489.1366
Surface area
2433414784380054
Volume
8.1676541147816E+21
Space diagonal
34881333.004775
Perimeter
60416241
Area
1.7561658510148E+14
Altitude
17440666.502388
Surface area
1.7561658510148E+14
Volume
9.6256726849138E+20
Height
9493496.3788668