20187910 is an even 8-digits composite number following 20187909
and preceding 20187911 . In scientific notation, it is written as 2.0187910 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 7903168 positive integers (up to 20187910) that are relatively prime to 20187910.
20187910 has 16 divisors, whose sum is 37112256
The reverse of 20187910 is 01978102
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred eighty-seven thousand nine hundred ten
Scientific notation
2.0187910 × 10^7
Engineering notation
2.0187910 × 10^6
Prime Factorization
2 × 5 × 47 × 42953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20187910
Product of the distinct prime numbers
The prime factorization of 20187910 is 2 × 5 × 47 × 42953.
Since it has a total of 4 prime factors.
6 , 8 , 95 , 53 , 813 , 416 , 8615 , 379 , 16722 , 24993 , 346527 , 127368 , 4096394 , 2241502 , 56627798 , 50647925 , 351500844 , 967113409 , 2261698730 , 8811576525
n×2
40375820
n×3
60563730
n×4
80751640
n×5
100939550
n÷2
10093955
n÷3
6729303.3333333
n÷3
5046977.5
n÷5
4037582
n2
407551710168100
n3
8.2276172452197E+21
n4
1.6609839646094E+29
n5
3.3531794788978E+36
2 √n
4493.0958146917
3 √n
272.28922342332
4 √n
67.030558812319
5 √n
28.908015039303
1 , 2 , 5 , 10 , 47 , 94 , 235 , 470 , 42953 , 85906 , 214765 , 429530 , 2018791 , 4037582 , 10093955 , 20187910
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
-20187909
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 20187910 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000101100000110
3
Ternary
1101222122121101
4
Quaternary
1031000230012
5
Quinary
20132003120
6
Senary
2000410314
8
Octal
115005406
10
Decimal
20187910
12
Duodecimal
691699a
16
Hexadecimal
1340b06
20
Vigesimal
6639fa
36
Base36
c0p3a
md5
86abe6730413b0c3670a5720d9cb723b
sha1
9c7f98cb4db87724b7a2c0dc4f892b4419f49eca
sha256
598fbf51725c9cc84cab2548a94e94caa30d0199491e54ae3b5f0b22f294edc6
sha512
976c3dc15fd99a0d7b7a566aa2a54120dccb755f512866fb9f37143127552bb1f261da4cc70b0bcc1311e4ac75db13caea583c4d2363f8926f161b746bb7541c
ripemd-160
1ba48d79bf2fb371026b8405388d287542ce29fe
Diameter
40375820
Circumference
126844379.49466
Area
1.2803614586221E+15
Volume
3.4463762525508E+22
Surface area
5.1214458344882E+15
Circumference
126844379.49466
Perimeter
80751640
Area
407551710168100
Diagonal
28550016.117967
Surface area
2445310261008600
Volume
8.2276172452197E+21
Space diagonal
34966485.818628
Perimeter
60563730
Area
1.7647506718068E+14
Altitude
17483242.909314
Surface area
1.7647506718068E+14
Volume
9.696339911837E+20
Height
9516672.0393225