20139445 is an odd 8-digits composite number following 20139444
and preceding 20139446 . In scientific notation, it is written as 2.0139445 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 16111552 positive integers (up to 20139445) that are relatively prime to 20139445.
20139445 has 4 divisors, whose sum is 24167340
The reverse of 20139445 is 54493102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred thirty-nine thousand four hundred forty-five
Scientific notation
2.0139445 × 10^7
Engineering notation
2.0139445 × 10^6
Prime Factorization
5 × 4027889
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20139445
Product of the distinct prime numbers
The prime factorization of 20139445 is 5 × 4027889.
Since it has a total of 2 prime factors.
3 , 10 , 12 , 74 , 458 , 264 , 9076 , 3615 , 14118 , 12906 , 412308 , 704560 , 4556179 , 5494119 , 23156609 , 21843142 , 762658347 , 593731386 , 5133777553 , 8558201095
n×2
40278890
n×3
60418335
n×4
80557780
n×5
100697225
n÷2
10069722.5
n÷3
6713148.3333333
n÷3
5034861.25
n÷5
4027889
n2
405597244908025
n3
8.1685034059767E+21
n4
1.6450912507698E+29
n5
3.313122476486E+36
2 √n
4487.6992991955
3 √n
272.071154431
4 √n
66.990292574339
5 √n
28.894121830298
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
-20139444
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 20139445 can be divided by 4 positive divisors.
The sum of these divisors (counting 20139445) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100110110110101
3
Ternary
1101220012010101
4
Quaternary
1030310312311
5
Quinary
20123430240
6
Senary
1555354101
8
Octal
114646665
10
Decimal
20139445
12
Duodecimal
68b2931
16
Hexadecimal
1334db5
20
Vigesimal
65h8c5
36
Base36
bznp1
md5
87d1e624fbc4636bbb0faf4bb52fdfee
sha1
7685647a2862bc45f1390e8d0eb539cadb1b2841
sha256
da1247839b463d78d8eb8449ac12360cd703c246fb8f76ddd2ba8157916b73fd
sha512
f8e1343caa9e84c1deac28e4844d127e678bdf7ced6187210601b02858a8c36c1a0ae08c24a3ae5b5ca261a8afcfc40ccf0f762ebcd785366e71517957786e5f
ripemd-160
22306890fe0b8938a9fca4aabff04ef05881582a
Diameter
40278890
Circumference
126539864.91875
Area
1.2742213249193E+15
Volume
3.4216147054719E+22
Surface area
5.0968852996772E+15
Circumference
126539864.91875
Perimeter
80557780
Area
405597244908025
Diagonal
28481476.257667
Surface area
2433583469448150
Volume
8.1685034059767E+21
Space diagonal
34882541.976239
Perimeter
60418335
Area
1.7562875889766E+14
Altitude
17441270.988119
Surface area
1.7562875889766E+14
Volume
9.6266735841859E+20
Height
9493825.4192223