20138497 is an odd 8-digits composite number following 20138496
and preceding 20138498 . In scientific notation, it is written as 2.0138497 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20117716 positive integers (up to 20138497) that are relatively prime to 20138497.
20138497 has 4 divisors, whose sum is 20159280
The reverse of 20138497 is 79483102
Previous prime number is 1019
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred thirty-eight thousand four hundred ninety-seven
Scientific notation
2.0138497 × 10^7
Engineering notation
2.0138497 × 10^6
Prime Factorization
1019 × 19763
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20138497
Product of the distinct prime numbers
The prime factorization of 20138497 is 1019 × 19763.
Since it has a total of 2 prime factors.
10 , 8 , 18 , 13 , 981 , 719 , 7006 , 7658 , 13623 , 20202 , 272938 , 817326 , 3834971 , 2161121 , 97868953 , 92330328 , 793040662 , 2331418 , 9242686330 , 7087124065
n×2
40276994
n×3
60415491
n×4
80553988
n×5
100692485
n÷2
10069248.5
n÷3
6712832.3333333
n÷3
5034624.25
n÷5
4027699.4
n2
405559061419009
n3
8.1673499417095E+21
n4
1.6447815229907E+29
n5
3.3123427766403E+36
2 √n
4487.5936759025
3 √n
272.06688540404
4 √n
66.989504221949
5 √n
28.89384980549
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
-20138496
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 20138497 can be divided by 4 positive divisors.
The sum of these divisors (counting 20138497) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100101000000001
3
Ternary
1101220010211021
4
Quaternary
1030310220001
5
Quinary
20123412442
6
Senary
1555345441
8
Octal
114645001
10
Decimal
20138497
12
Duodecimal
68b2281
16
Hexadecimal
1334a01
20
Vigesimal
65h64h
36
Base36
bzmyp
md5
52ba25f950e2fc6f10bff470d6a360ac
sha1
73a1dc5022c3f2e4f59126f273e7267687511b59
sha256
fbad8bfb66eb7f76ad9c9c5677adaaaa9777c545b552917cba79af7291c7962e
sha512
b09168218ed60d0887927b2e2c5322bbf12efef5c269782a3ef659f6f3416a5ddc1b6d3d74be9a55b05c534bdd3876cbf9e7f66bf2546eff95d4dc61564e1178
ripemd-160
7f9dd70572c526dd254168202e5fb550aa64b1b9
Diameter
40276994
Circumference
126533908.45908
Area
1.2741013679507E+15
Volume
3.4211315434896E+22
Surface area
5.0964054718029E+15
Circumference
126533908.45908
Perimeter
80553988
Area
405559061419009
Diagonal
28480135.58321
Surface area
2433354368514054
Volume
8.1673499417095E+21
Space diagonal
34880899.992073
Perimeter
60415491
Area
1.7561222496192E+14
Altitude
17440449.996037
Surface area
1.7561222496192E+14
Volume
9.6253142135106E+20
Height
9493378.5277366