20442387 is an odd 8-digits composite number following 20442386
and preceding 20442388 . In scientific notation, it is written as 2.0442387 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 11629632 positive integers (up to 20442387) that are relatively prime to 20442387.
20442387 has 16 divisors, whose sum is 31288320
The reverse of 20442387 is 78324402
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred forty-two thousand three hundred eighty-seven
Scientific notation
2.0442387 × 10^7
Engineering notation
2.0442387 × 10^6
Prime Factorization
3 × 7 × 239 × 4073
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20442387
Product of the distinct prime numbers
The prime factorization of 20442387 is 3 × 7 × 239 × 4073.
Since it has a total of 4 prime factors.
1 , 10 , 64 , 90 , 789 , 666 , 680 , 9762 , 70882 , 13582 , 906602 , 90860 , 757077 , 5610227 , 33127170 , 29370175 , 493361697 , 857023805 , 5547702438 , 1156791453
n×2
40884774
n×3
61327161
n×4
81769548
n×5
102211935
n÷2
10221193.5
n÷3
6814129
n÷3
5110596.75
n÷5
4088477.4
n2
417891186257769
n3
8.5426933533704E+21
n4
1.7463304355193E+29
n5
3.5699162592763E+36
2 √n
4521.325801134
3 √n
273.42855579125
4 √n
67.240804584225
5 √n
28.980529833668
1 , 3 , 7 , 21 , 239 , 717 , 1673 , 4073 , 5019 , 12219 , 28511 , 85533 , 973447 , 2920341 , 6814129 , 20442387
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
-20442386
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 20442387 can be divided by 16 positive divisors.
The sum of these divisors (counting 20442387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101111110110100010011
3
Ternary
1102110120200110
4
Quaternary
1031332310103
5
Quinary
20213124022
6
Senary
2010052403
8
Octal
115766423
10
Decimal
20442387
12
Duodecimal
6a1a103
16
Hexadecimal
137ed13
20
Vigesimal
67f5j7
36
Base36
c65g3
md5
43d681407c1a7a910b6bbf1bb12de1ab
sha1
cae3dfd8f84632526e9f9b14601ae1e94d33143f
sha256
64cadfb1dbb3895807cc6349cb64a2d9efd39721c81387c32b3d1da45d2064c0
sha512
11483ae6c027a730d26829321d20b3fea3b46f6728f4cc6f488172bdc0905023c9b266ed1e99c0b4f03b6d404a89b1e5ca311533af2be3a830beb8a1cd29f4ba
ripemd-160
110206a51bcf18d2f5dc38a7e54c58615084d1c9
Diameter
40884774
Circumference
128443305.64208
Area
1.3128438807473E+15
Volume
3.5783550241092E+22
Surface area
5.2513755229893E+15
Circumference
128443305.64208
Perimeter
81769548
Area
417891186257769
Diagonal
28909900.942679
Surface area
2507347117546614
Volume
8.5426933533704E+21
Space diagonal
35407252.911986
Perimeter
61327161
Area
1.8095219165842E+14
Altitude
17703626.455993
Surface area
1.8095219165842E+14
Volume
1.0067660666276E+21
Height
9636633.6475598