20438045 is an odd 8-digits composite number following 20438044
and preceding 20438046 . In scientific notation, it is written as 2.0438045 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 16200000 positive integers (up to 20438045) that are relatively prime to 20438045.
20438045 has 8 divisors, whose sum is 24751320
The reverse of 20438045 is 54083402
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred thirty-eight thousand forty-five
Scientific notation
2.0438045 × 10^7
Engineering notation
2.0438045 × 10^6
Prime Factorization
5 × 109 × 37501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20438045
Product of the distinct prime numbers
The prime factorization of 20438045 is 5 × 109 × 37501.
Since it has a total of 3 prime factors.
10 , 3 , 100 , 91 , 461 , 703 , 8143 , 2048 , 11548 , 89188 , 367377 , 342341 , 3549691 , 3323063 , 70298960 , 59835499 , 904560251 , 258684764 , 9659796448 , 179026392
n×2
40876090
n×3
61314135
n×4
81752180
n×5
102190225
n÷2
10219022.5
n÷3
6812681.6666667
n÷3
5109511.25
n÷5
4087609
n2
417713683422025
n3
8.5372510588951E+21
n4
1.74484721318E+29
n5
3.5661265861097E+36
2 √n
4520.8456067422
3 √n
273.40919551374
4 √n
67.237233782646
5 √n
28.979298625661
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
-20438044
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 20438045 can be divided by 8 positive divisors.
The sum of these divisors (counting 20438045) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101111101110000011101
3
Ternary
1102110100201122
4
Quaternary
1031331300131
5
Quinary
20213004140
6
Senary
2010020325
8
Octal
115756035
10
Decimal
20438045
12
Duodecimal
6a176a5
16
Hexadecimal
137dc1d
20
Vigesimal
67ef25
36
Base36
c623h
md5
f4043451ded88d7fe5727bd52e84a25d
sha1
1741d0aab751d399ceacd48faa02cd43619f1988
sha256
468e99b6c71a48145b3ebb1585e7cd72f6c5bd9e4af51826630ffe46b1b5548f
sha512
98cff5ae22e195ce40cc7d9b511255729e15d20a933b56c275fb80af71b6bb16eabf0fdbb699ceed82c2b1a41d8bbafa1f793c3825d3486449c305bb782b5673
ripemd-160
f2a7081033dfe271487306ac3b9c26e4fcae4e81
Diameter
40876090
Circumference
128416024.05148
Area
1.3122862391426E+15
Volume
3.5760753611302E+22
Surface area
5.2491449565703E+15
Circumference
128416024.05148
Perimeter
81752180
Area
417713683422025
Diagonal
28903760.427392
Surface area
2506282100532150
Volume
8.5372510588951E+21
Space diagonal
35399732.347379
Perimeter
61314135
Area
1.8087533067592E+14
Altitude
17699866.17369
Surface area
1.8087533067592E+14
Volume
1.0061246860728E+21
Height
9634586.8091305