20128520 is an even 8-digits composite number following 20128519
and preceding 20128521 . In scientific notation, it is written as 2.0128520 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors.
There are 8051392 positive integers (up to 20128520) that are relatively prime to 20128520.
20128520 has 16 divisors, whose sum is 45289260
The reverse of 20128520 is 02582102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-eight thousand five hundred twenty
Scientific notation
2.0128520 × 10^7
Engineering notation
2.0128520 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 503213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5032130
Product of the distinct prime numbers
The prime factorization of 20128520 is 2 × 2 × 2 × 5 × 503213.
Since it has a total of 5 prime factors.
4 , 4 , 96 , 8 , 167 , 378 , 6723 , 2701 , 85454 , 66749 , 976625 , 497146 , 9711057 , 4323640 , 47084954 , 29934366 , 975965527 , 24851424 , 9658619519 , 1489233711
n×2
40257040
n×3
60385560
n×4
80514080
n×5
100642600
n÷2
10064260
n÷3
6709506.6666667
n÷3
5032130
n÷5
4025704
n2
405157317390400
n3
8.155217166239E+21
n4
1.6415245183499E+29
n5
3.3041459098095E+36
2 √n
4486.4819179397
3 √n
272.02194892084
4 √n
66.981205706823
5 √n
28.890986323841
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 503213 , 1006426 , 2012852 , 2516065 , 4025704 , 5032130 , 10064260 , 20128520
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
-20128519
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 20128520 can be divided by 16 positive divisors.
The sum of these divisors (counting 20128520) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010001100001000
3
Ternary
1101212122010202
4
Quaternary
1030302030020
5
Quinary
20123103040
6
Senary
1555231332
8
Octal
114621410
10
Decimal
20128520
12
Duodecimal
68a8548
16
Hexadecimal
1332308
20
Vigesimal
65g160
36
Base36
bzf9k
md5
d4a7abdb2dbf90e07db55fc755fd6329
sha1
a6d1919b932f58a50f279dc5a6632944cdb6611d
sha256
bda1c235bdda45a73b532a8a8301b7a9ac6c91f827106bdb8754edea5dfd9984
sha512
8e27bd7f5b37972a164f5997d154a8997b1a7741147d6539dcf07011ae2badf007ac8b6e034ebcd226155e0787aec041ac4fbb93169b48270c7b1f2c63055811
ripemd-160
ff621cce83649b09f4fa99d85f98648a4611e2a6
Diameter
40257040
Circumference
126471221.11927
Area
1.2728392518618E+15
Volume
3.4160493783848E+22
Surface area
5.0913570074473E+15
Circumference
126471221.11927
Perimeter
80514080
Area
405157317390400
Diagonal
28466025.974498
Surface area
2430943904342400
Volume
8.155217166239E+21
Space diagonal
34863619.321166
Perimeter
60385560
Area
1.7543826469462E+14
Altitude
17431809.660583
Surface area
1.7543826469462E+14
Volume
9.6110156004942E+20
Height
9488675.3248327