20138568 is an even 8-digits composite number following 20138567
and preceding 20138569 . In scientific notation, it is written as 2.0138568 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 6667200 positive integers (up to 20138568) that are relatively prime to 20138568.
20138568 has 32 divisors, whose sum is 50688960
The reverse of 20138568 is 86583102
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred thirty-eight thousand five hundred sixty-eight
Scientific notation
2.0138568 × 10^7
Engineering notation
2.0138568 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 151 × 5557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5034642
Product of the distinct prime numbers
The prime factorization of 20138568 is 2 × 2 × 2 × 3 × 151 × 5557.
Since it has a total of 6 prime factors.
5 , 6 , 74 , 54 , 494 , 794 , 1583 , 2525 , 76601 , 25713 , 566364 , 299996 , 5497464 , 407232 , 55638867 , 59442190 , 710717129 , 789647951 , 1623976583 , 8583031538
n×2
40277136
n×3
60415704
n×4
80554272
n×5
100692840
n÷2
10069284
n÷3
6712856
n÷3
5034642
n÷5
4027713.6
n2
405561921090624
n3
8.1674363260942E+21
n4
1.6448047183872E+29
n5
3.3124011667961E+36
2 √n
4487.6015865939
3 √n
272.06720513538
4 √n
66.989563266183
5 √n
28.893870179011
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 151 , 302 , 453 , 604 , 906 , 1208 , 1812 , 3624 , 5557 , 11114 , 16671 , 22228 , 33342 , 44456 , 66684 , 133368 , 839107 , 1678214 , 2517321 , 3356428 , 5034642 , 6712856 , 10069284 , 20138568
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138567
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138568 can be divided by 32 positive divisors.
The sum of these divisors (counting 20138568) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110100101001001000
3
Ternary
1101220010220220
4
Quaternary
1030310221020
5
Quinary
20123413233
6
Senary
1555350040
8
Octal
114645110
10
Decimal
20138568
12
Duodecimal
68b2320
16
Hexadecimal
1334a48
20
Vigesimal
65h688
36
Base36
bzn0o
md5
b183cae0dc73e912fc66d67e7a78501f
sha1
1602518ad270df0c549a364be85f3f7d7b650232
sha256
8c3cc2720258806de2d28420fbba79f77b1e1c514edbb484d61105be9c782b85
sha512
19e73728ef236bedef4ff350497adbd0c28ba60465d16ef352c2fefa08f7ecc4d71f7ff12f530f93e2b0f93070db9d694d572e400ae79af96747229f117523af
ripemd-160
2e982038a2fbc08e881dafea1c45a46c8285ef8b
Diameter
40277136
Circumference
126534354.56524
Area
1.2741103518741E+15
Volume
3.421167728096E+22
Surface area
5.0964414074963E+15
Circumference
126534354.56524
Perimeter
80554272
Area
405561921090624
Diagonal
28480235.992373
Surface area
2433371526543744
Volume
8.1674363260942E+21
Space diagonal
34881022.967681
Perimeter
60415704
Area
1.7561346323605E+14
Altitude
17440511.48384
Surface area
1.7561346323605E+14
Volume
9.6254160184842E+20
Height
9493411.9974576