20138797 is an odd 8-digits composite number following 20138796
and preceding 20138798 . In scientific notation, it is written as 2.0138797 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 17261820 positive integers (up to 20138797) that are relatively prime to 20138797.
20138797 has 4 divisors, whose sum is 23015776
The reverse of 20138797 is 79783102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred thirty-eight thousand seven hundred ninety-seven
Scientific notation
2.0138797 × 10^7
Engineering notation
2.0138797 × 10^6
Prime Factorization
7 × 2876971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20138797
Product of the distinct prime numbers
The prime factorization of 20138797 is 7 × 2876971.
Since it has a total of 2 prime factors.
5 , 3 , 23 , 89 , 708 , 195 , 7425 , 9875 , 24830 , 52861 , 131414 , 185103 , 4915638 , 5775540 , 82823174 , 17953571 , 5208397 , 752659300 , 7661762255 , 740989981
n×2
40277594
n×3
60416391
n×4
80555188
n×5
100693985
n÷2
10069398.5
n÷3
6712932.3333333
n÷3
5034699.25
n÷5
4027759.4
n2
405571144607209
n3
8.1677149503022E+21
n4
1.64487953338E+29
n5
3.3125895012195E+36
2 √n
4487.6271012641
3 √n
272.06823637643
4 √n
66.989753703563
5 √n
28.893935890398
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
-20138796
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 20138797 can be divided by 4 positive divisors.
The sum of these divisors (counting 20138797) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100101100101101
3
Ternary
1101220011020101
4
Quaternary
1030310230231
5
Quinary
20123420142
6
Senary
1555351101
8
Octal
114645455
10
Decimal
20138797
12
Duodecimal
68b2491
16
Hexadecimal
1334b2d
20
Vigesimal
65h6jh
36
Base36
bzn71
md5
ecc1c1edf0c78574cf26ba1d64930b6f
sha1
54aaa640cb4c5e4728f846948378af0265b82c02
sha256
cdcef4e9b2381ac12700e75e26d8e4310a12164ad80f82b97c7b388ea4baf046
sha512
aedf6f4dab5d85309f425eeb1616b66ceb5ad913d5112539e3e71444000cdaa3f889cebd4945df3d97073828117834619a7ab5a5982c3034c0fb8b8cea3434fb
ripemd-160
b79ee2f93c97d4292c8650d7762e7f2a7b018775
Diameter
40277594
Circumference
126535793.41467
Area
1.274139328406E+15
Volume
3.4212844379313E+22
Surface area
5.096557313624E+15
Circumference
126535793.41467
Perimeter
80555188
Area
405571144607209
Diagonal
28480559.847279
Surface area
2433426867643254
Volume
8.1677149503022E+21
Space diagonal
34881419.607316
Perimeter
60416391
Area
1.7561745713589E+14
Altitude
17440709.803658
Surface area
1.7561745713589E+14
Volume
9.6257443802624E+20
Height
9493519.9490929