20187494 is an even 8-digits composite number following 20187493
and preceding 20187495 . In scientific notation, it is written as 2.0187494 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 10093746 positive integers (up to 20187494) that are relatively prime to 20187494.
20187494 has 4 divisors, whose sum is 30281244
The reverse of 20187494 is 49478102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred eighty-seven thousand four hundred ninety-four
Scientific notation
2.0187494 × 10^7
Engineering notation
2.0187494 × 10^6
Prime Factorization
2 × 10093747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20187494
Product of the distinct prime numbers
The prime factorization of 20187494 is 2 × 10093747.
Since it has a total of 2 prime factors.
8 , 3 , 82 , 57 , 195 , 155 , 6306 , 8310 , 76069 , 77188 , 806441 , 766166 , 8363234 , 8298048 , 80728379 , 73282744 , 827799666 , 148540865 , 7512523350 , 9614872643
n×2
40374988
n×3
60562482
n×4
80749976
n×5
100937470
n÷2
10093747
n÷3
6729164.6666667
n÷3
5046873.5
n÷5
4037498.8
n2
407534914000036
n3
8.2271086311662E+21
n4
1.6608470612902E+29
n5
3.3528340084713E+36
2 √n
4493.0495212049
3 √n
272.28735311092
4 √n
67.030213495147
5 √n
28.907895900339
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
-20187493
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 20187494 can be divided by 4 positive divisors.
The sum of these divisors (counting 20187494) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000100101100110
3
Ternary
1101222122000222
4
Quaternary
1031000211212
5
Quinary
20131444434
6
Senary
2000404342
8
Octal
115004546
10
Decimal
20187494
12
Duodecimal
69166b2
16
Hexadecimal
1340966
20
Vigesimal
6638ee
36
Base36
c0orq
md5
0903b632de7f5a63e0d43dfad033f788
sha1
7069aa2217660a096b3515f89ec0d103a08cedb7
sha256
1d526b3fa5176a8391fc80480b0a8f25a63aec8b977c2f364d2a5d932eeb5717
sha512
dbcb72c41809d02cf2835be5d13b590c692c38f9de4295c7cd11dc5e84be8d2598988cc0edcd67e46b9cdfb41456f27cfaf003ba5e0089b7c9be8dc1493cd7dd
ripemd-160
3e93db8b7c227e6aa7ac9b5a0c451a021a775231
Diameter
40374988
Circumference
126841765.68958
Area
1.2803086919039E+15
Volume
3.4461632047943E+22
Surface area
5.1212347676154E+15
Circumference
126841765.68958
Perimeter
80749976
Area
407534914000036
Diagonal
28549427.805125
Surface area
2445209484000216
Volume
8.2271086311662E+21
Space diagonal
34965765.285492
Perimeter
60562482
Area
1.7646779422657E+14
Altitude
17482882.642746
Surface area
1.7646779422657E+14
Volume
9.6957405044267E+20
Height
9516475.9350418