20105238 is an even 8-digits composite number following 20105237
and preceding 20105239 . In scientific notation, it is written as 2.0105238 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6653256 positive integers (up to 20105238) that are relatively prime to 20105238.
20105238 has 16 divisors, whose sum is 40501440
The reverse of 20105238 is 83250102
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred five thousand two hundred thirty-eight
Scientific notation
2.0105238 × 10^7
Engineering notation
2.0105238 × 10^6
Prime Factorization
2 × 3 × 139 × 24107
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20105238
Product of the distinct prime numbers
The prime factorization of 20105238 is 2 × 3 × 139 × 24107.
Since it has a total of 4 prime factors.
1 , 3 , 34 , 9 , 31 , 270 , 2757 , 3853 , 81433 , 84132 , 901466 , 801139 , 3133545 , 8453431 , 96453583 , 46904454 , 825852801 , 422995288 , 9080586720 , 4515385328
n×2
40210476
n×3
60315714
n×4
80420952
n×5
100526190
n÷2
10052619
n÷3
6701746
n÷3
5026309.5
n÷5
4021047.6
n2
404220595036644
n3
8.1269512677133E+21
n4
1.6339428945178E+29
n5
3.2850810772689E+36
2 √n
4483.8864838441
3 √n
271.91702883079
4 √n
66.961828558098
5 √n
28.884299777905
1 , 2 , 3 , 6 , 139 , 278 , 417 , 834 , 24107 , 48214 , 72321 , 144642 , 3350873 , 6701746 , 10052619 , 20105238
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
-20105237
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 20105238 can be divided by 16 positive divisors.
The sum of these divisors (counting 20105238) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101100100000010110
3
Ternary
1101211110012110
4
Quaternary
1030230200112
5
Quinary
20121331423
6
Senary
1554531450
8
Octal
114544026
10
Decimal
20105238
12
Duodecimal
6896b86
16
Hexadecimal
132c816
20
Vigesimal
65d31i
36
Base36
byxau
md5
17b665bd067fa15c6d2dfa5aaa466b55
sha1
aec3f3a28b5ab19be33a1d88b942bb2a76f3b67e
sha256
a962657ef86e93f8923eaf2449c5fe203fc0abad6c0f7856c909084640b6d719
sha512
6bb1cdaced8f53b262388a29df57151514649f85091076327939bfe476c79d38d4eb5c90a9f569a32825e33421c0bc8becb4943f49233c768eff5ed34174634c
ripemd-160
40101485872cfa73c7cde550bfcdbf7d036a068a
Diameter
40210476
Circumference
126324935.99895
Area
1.2698964517968E+15
Volume
3.4042093864974E+22
Surface area
5.0795858071873E+15
Circumference
126324935.99895
Perimeter
80420952
Area
404220595036644
Diagonal
28433100.254339
Surface area
2425323570219864
Volume
8.1269512677133E+21
Space diagonal
34823293.714264
Perimeter
60315714
Area
1.750326520173E+14
Altitude
17411646.857132
Surface area
1.750326520173E+14
Volume
9.5777039196212E+20
Height
9477700.0847796