20187893 is an odd 8-digits composite number following 20187892
and preceding 20187894 . In scientific notation, it is written as 2.0187893 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 18352620 positive integers (up to 20187893) that are relatively prime to 20187893.
20187893 has 4 divisors, whose sum is 22023168
The reverse of 20187893 is 39878102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred eighty-seven thousand eight hundred ninety-three
Scientific notation
2.0187893 × 10^7
Engineering notation
2.0187893 × 10^6
Prime Factorization
11 × 1835263
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20187893
Product of the distinct prime numbers
The prime factorization of 20187893 is 11 × 1835263.
Since it has a total of 2 prime factors.
6 , 9 , 87 , 58 , 211 , 494 , 7526 , 3045 , 81819 , 15711 , 89683 , 365189 , 9207342 , 526996 , 56090924 , 12123389 , 809879114 , 876447146 , 2777639597 , 5574497006
n×2
40375786
n×3
60563679
n×4
80751572
n×5
100939465
n÷2
10093946.5
n÷3
6729297.6666667
n÷3
5046973.25
n÷5
4037578.6
n2
407551023779449
n3
8.2275964601E+21
n4
1.6609783698368E+29
n5
3.3531653605579E+36
2 √n
4493.0939228999
3 √n
272.28914699279
4 √n
67.030544700904
5 √n
28.908010170682
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20187892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20187893 can be divided by 4 positive divisors.
The sum of these divisors (counting 20187893) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000101011110101
3
Ternary
1101222122120202
4
Quaternary
1031000223311
5
Quinary
20132003033
6
Senary
2000410245
8
Octal
115005365
10
Decimal
20187893
12
Duodecimal
6916985
16
Hexadecimal
1340af5
20
Vigesimal
6639ed
36
Base36
c0p2t
md5
17d4831c42a5fa823a96b7446b449bdd
sha1
3df50676f53540ab8cbd399350530c9ce5ef930d
sha256
086e34fe692ed82fce7297b3f8b89ba8686b7f3d12334792d2e1f38fb5dacfc6
sha512
28788dce8dffb36d33e28481ea2476877e4589bff2249d7fedbee445df82da449c7ba0a37865d1ff9a1dc58f1b31642cbe7a8dd675927a22d1125b9424d156e5
ripemd-160
6f84807fa302aa531c714e9f415a8d00c1525278
Diameter
40375786
Circumference
126844272.68051
Area
1.2803593022685E+15
Volume
3.4463675461002E+22
Surface area
5.1214372090741E+15
Circumference
126844272.68051
Perimeter
80751572
Area
407551023779449
Diagonal
28549992.076337
Surface area
2445306142676694
Volume
8.2275964601E+21
Space diagonal
34966456.373764
Perimeter
60563679
Area
1.7647476996568E+14
Altitude
17483228.186882
Surface area
1.7647476996568E+14
Volume
9.6963154163385E+20
Height
9516664.0254456