20642738 is an even 8-digits composite number following 20642737
and preceding 20642739 . In scientific notation, it is written as 2.0642738 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10303540 positive integers (up to 20642738) that are relatively prime to 20642738.
20642738 has 8 divisors, whose sum is 31017600
The reverse of 20642738 is 83724602
Previous prime number is 599
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred forty-two thousand seven hundred thirty-eight
Scientific notation
2.0642738 × 10^7
Engineering notation
2.0642738 × 10^6
Prime Factorization
2 × 599 × 17231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20642738
Product of the distinct prime numbers
The prime factorization of 20642738 is 2 × 599 × 17231.
Since it has a total of 3 prime factors.
3 , 7 , 82 , 15 , 789 , 135 , 6003 , 7163 , 73516 , 59916 , 853306 , 715877 , 7225385 , 4534158 , 16538617 , 76129026 , 599952013 , 825403282 , 9240595310 , 2704500782
n×2
41285476
n×3
61928214
n×4
82570952
n×5
103213690
n÷2
10321369
n÷3
6880912.6666667
n÷3
5160684.5
n÷5
4128547.6
n2
426122632136644
n3
8.7963378510671E+21
n4
1.8158049761906E+29
n5
3.7483186382599E+36
2 √n
4543.4280009702
3 √n
274.31892287133
4 √n
67.404955314652
5 √n
29.037114700112
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
-20642737
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 20642738 can be divided by 8 positive divisors.
The sum of these divisors (counting 20642738) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110101111101110110010
3
Ternary
1102211202111212
4
Quaternary
1032233232302
5
Quinary
20241031423
6
Senary
2014240122
8
Octal
116575662
10
Decimal
20642738
12
Duodecimal
6ab6042
16
Hexadecimal
13afbb2
20
Vigesimal
6906gi
36
Base36
cag1e
md5
7209fc9cac17a07aa3a948cac3c7a698
sha1
59870cbda0c1e2e32d0a2b1147b8054aeba80b2e
sha256
ba02fea9ff92679054c45096f95be9c5e1d64567e71c534d825b9c3ec33059ed
sha512
f89f0a26e27d0ba1b08fec260a45f7602ebe0911337e98f8d4ce580bde79e6eb8b3e0912a7fdede4cd724577cd5083fc7de407a556f6d17d0c41351d86bafb19
ripemd-160
1786ec49c030ad383971ef0eceecb1f8f257aa00
Diameter
41285476
Circumference
129702148.10156
Area
1.3387037306488E+15
Volume
3.6846013828542E+22
Surface area
5.3548149225953E+15
Circumference
129702148.10156
Perimeter
82570952
Area
426122632136644
Diagonal
29193240.044114
Surface area
2556735792819864
Volume
8.7963378510671E+21
Space diagonal
35754271.023333
Perimeter
61928214
Area
1.8451651227891E+14
Altitude
17877135.511666
Surface area
1.8451651227891E+14
Volume
1.0366583573496E+21
Height
9731080.0147048