20150820 is an even 8-digits composite number following 20150819
and preceding 20150821 . In scientific notation, it is written as 2.0150820 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 5373504 positive integers (up to 20150820) that are relatively prime to 20150820.
20150820 has 24 divisors, whose sum is 50153600
The reverse of 20150820 is 02805102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred fifty thousand eight hundred twenty
Scientific notation
2.0150820 × 10^7
Engineering notation
2.0150820 × 10^6
Prime Factorization
2 × 2 × 15 × 3 × 111949
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10075410
Product of the distinct prime numbers
The prime factorization of 20150820 is 2 × 2 × 15 × 3 × 111949.
Since it has a total of 5 prime factors.
2 , 6 , 42 , 66 , 443 , 580 , 7598 , 557 , 8604 , 42337 , 690835 , 946269 , 1805079 , 9755971 , 76021674 , 36950562 , 329654256 , 623740968 , 344997779 , 9014253036
n×2
40301640
n×3
60452460
n×4
80603280
n×5
100754100
n÷2
10075410
n÷3
6716940
n÷3
5037705
n÷5
4030164
n2
406055546672400
n3
8.1823522309971E+21
n4
1.6488110698342E+29
n5
3.3224895082237E+36
2 √n
4488.9664734769
3 √n
272.12236780692
4 √n
66.9997498016
5 √n
28.897385042429
1 , 2 , 3 , 4 , 6 , 12 , 15 , 30 , 45 , 60 , 90 , 180 , 111949 , 223898 , 335847 , 447796 , 671694 , 1343388 , 1679235 , 3358470 , 5037705 , 6716940 , 10075410 , 20150820
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20150819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20150820 can be divided by 24 positive divisors.
The sum of these divisors (counting 20150820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110111101000100100
3
Ternary
1101220202201200
4
Quaternary
1030313220210
5
Quinary
20124311240
6
Senary
1555522500
8
Octal
114675044
10
Decimal
20150820
12
Duodecimal
68b9430
16
Hexadecimal
1337a24
20
Vigesimal
65ih10
36
Base36
bzwh0
md5
b4a006b3476768536b95abb3819d9a8d
sha1
663cbbf7f18035f228bebd73d26cd27b59e53445
sha256
8eef00fb9f809a634672a07b645b11e2e550ea14575defb1011c25eaa2264999
sha512
9ee46b78f789489ed8196a5c5f6bb3225a899d8d74cb592740ecd7623486d91db2950f2dd942eed1997e66fe5568c7a6924230ec062fae740dad053b233df60b
ripemd-160
456bc4d73c7daaa81b2f0c265e836bf65beb2d57
Diameter
40301640
Circumference
126611336.15162
Area
1.2756611223754E+15
Volume
3.4274156877313E+22
Surface area
5.1026444895016E+15
Circumference
126611336.15162
Perimeter
80603280
Area
406055546672400
Diagonal
28497562.936939
Surface area
2436333280034400
Volume
8.1823522309971E+21
Space diagonal
34902244.054175
Perimeter
60452460
Area
1.7582720938294E+14
Altitude
17451122.027088
Surface area
1.7582720938294E+14
Volume
9.6429945809916E+20
Height
9499187.6456463