20138830 is an even 8-digits composite number following 20138829
and preceding 20138831 . In scientific notation, it is written as 2.0138830 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 8035200 positive integers (up to 20138830) that are relatively prime to 20138830.
20138830 has 16 divisors, whose sum is 36341424
The reverse of 20138830 is 03883102
Previous prime number is 433
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-eight thousand eight hundred thirty
Scientific notation
2.0138830 × 10^7
Engineering notation
2.0138830 × 10^6
Prime Factorization
2 × 5 × 433 × 4651
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138830
Product of the distinct prime numbers
The prime factorization of 20138830 is 2 × 5 × 433 × 4651.
Since it has a total of 4 prime factors.
3 , 6 , 52 , 89 , 344 , 87 , 8815 , 6780 , 30103 , 74788 , 199188 , 764686 , 9085974 , 9152927 , 10065894 , 47418958 , 532379704 , 690799905 , 6091529053 , 6833048068
n×2
40277660
n×3
60416490
n×4
80555320
n×5
100694150
n÷2
10069415
n÷3
6712943.3333333
n÷3
5034707.5
n÷5
4027766
n2
405572473768900
n3
8.1677551019113E+21
n4
1.6448903147903E+29
n5
3.3126166418207E+36
2 √n
4487.6307780387
3 √n
272.06838498257
4 √n
66.989781146371
5 √n
28.893945359676
1 , 2 , 5 , 10 , 433 , 866 , 2165 , 4330 , 4651 , 9302 , 23255 , 46510 , 2013883 , 4027766 , 10069415 , 20138830
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
-20138829
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 20138830 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138830) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100101101001110
3
Ternary
1101220011021121
4
Quaternary
1030310231032
5
Quinary
20123420310
6
Senary
1555351154
8
Octal
114645516
10
Decimal
20138830
12
Duodecimal
68b24ba
16
Hexadecimal
1334b4e
20
Vigesimal
65h71a
36
Base36
bzn7y
md5
27eec26925c2c711771c5e57f84bbacd
sha1
47e2af09f4b07b983adb063ea17bee686d477457
sha256
892eb01bb702d424affa90f91070ce16969ce506a185b8070c2b25862d111c5c
sha512
e2bdc59ed15884a082999d6ce7d581b509967c06a7d1205438a00ed9f259ae3d0f31562a3f3406d8e6dbe9f948dfa76fc432da251a9078fe94d2ff76cf86eedf
ripemd-160
dfb1046c1fac369e2bd88954d82e41f4a89d8a97
Diameter
40277660
Circumference
126536000.75979
Area
1.2741435040906E+15
Volume
3.421301256598E+22
Surface area
5.0965740163625E+15
Circumference
126536000.75979
Perimeter
80555320
Area
405572473768900
Diagonal
28480606.516326
Surface area
2433434842613400
Volume
8.1677551019113E+21
Space diagonal
34881476.764992
Perimeter
60416490
Area
1.7561803267978E+14
Altitude
17440738.382496
Surface area
1.7561803267978E+14
Volume
9.6257916993875E+20
Height
9493535.5054421