20160621 is an odd 8-digits composite number following 20160620
and preceding 20160622 . In scientific notation, it is written as 2.0160621 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 12406464 positive integers (up to 20160621) that are relatively prime to 20160621.
20160621 has 12 divisors, whose sum is 31361148
The reverse of 20160621 is 12606102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred sixty thousand six hundred twenty-one
Scientific notation
2.0160621 × 10^7
Engineering notation
2.0160621 × 10^6
Prime Factorization
3 × 3 × 13 × 172313
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6720207
Product of the distinct prime numbers
The prime factorization of 20160621 is 3 × 3 × 13 × 172313.
Since it has a total of 4 prime factors.
7 , 7 , 49 , 95 , 62 , 757 , 9370 , 4116 , 63354 , 37191 , 458702 , 584254 , 7837229 , 2426457 , 20386337 , 90581439 , 252507734 , 181548660 , 5053588952 , 1956627106
n×2
40321242
n×3
60481863
n×4
80642484
n×5
100803105
n÷2
10080310.5
n÷3
6720207
n÷3
5040155.25
n÷5
4032124.2
n2
406450639105641
n3
8.1942972902166E+21
n4
1.6520212202938E+29
n5
3.3305773706302E+36
2 √n
4490.0580174425
3 √n
272.16647914727
4 √n
67.007895187377
5 √n
28.900195530389
1 , 3 , 9 , 13 , 39 , 117 , 172313 , 516939 , 1550817 , 2240069 , 6720207 , 20160621
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20160620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20160621 can be divided by 12 positive divisors.
The sum of these divisors (counting 20160621) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111010000001101101
3
Ternary
1101221021011200
4
Quaternary
1030322001231
5
Quinary
20130114441
6
Senary
2000040113
8
Octal
114720155
10
Decimal
20160621
12
Duodecimal
6903039
16
Hexadecimal
133a06d
20
Vigesimal
6601b1
36
Base36
c0419
md5
09316f733cfaf34f179736220807b554
sha1
eb197372966fdc6379990477974e694da5c6425a
sha256
326a543ec42e2fcc5b9b1f6edda2e123ac356f6b6ddd87ffa6675df7e3e94563
sha512
71a45cc22855e044a15e8ad2f7d198c5f688ad8d65a12044b8048debe3153f871476faefc6bd423ca1cbc56c6577e028287ea54da67155fbf72af61f95954df1
ripemd-160
242adfba72b966d50550d3b9999fd7d2b32c498f
Diameter
40321242
Circumference
126672917.65082
Area
1.2769023418612E+15
Volume
3.4324192224367E+22
Surface area
5.1076093674446E+15
Circumference
126672917.65082
Perimeter
80642484
Area
406450639105641
Diagonal
28511423.644064
Surface area
2438703834633846
Volume
8.1942972902166E+21
Space diagonal
34919219.88414
Perimeter
60481863
Area
1.7599828942495E+14
Altitude
17459609.94207
Surface area
1.7599828942495E+14
Volume
9.6570719682845E+20
Height
9503807.8813546