20185140 is an even 8-digits composite number following 20185139
and preceding 20185141 . In scientific notation, it is written as 2.0185140 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 5382688 positive integers (up to 20185140) that are relatively prime to 20185140.
20185140 has 12 divisors, whose sum is 37679040
The reverse of 20185140 is 04158102
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred eighty-five thousand one hundred forty
Scientific notation
2.0185140 × 10^7
Engineering notation
2.0185140 × 10^6
Prime Factorization
2 × 2 × 15 × 336419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10092570
Product of the distinct prime numbers
The prime factorization of 20185140 is 2 × 2 × 15 × 336419.
Since it has a total of 4 prime factors.
6 , 1 , 37 , 78 , 972 , 953 , 6574 , 4233 , 34825 , 5985 , 522356 , 343884 , 1497720 , 1800739 , 93166762 , 4923107 , 493627200 , 17940956 , 4241254437 , 6728226355
n×2
40370280
n×3
60555420
n×4
80740560
n×5
100925700
n÷2
10092570
n÷3
6728380
n÷3
5046285
n÷5
4037028
n2
407439876819600
n3
8.2242309551864E+21
n4
1.6600725322277E+29
n5
3.3508796473171E+36
2 √n
4492.7875534016
3 √n
272.27676917639
4 √n
67.028259364253
5 √n
28.90722169718
1 , 2 , 4 , 15 , 30 , 60 , 336419 , 672838 , 1345676 , 5046285 , 10092570 , 20185140
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
-20185139
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 20185140 can be divided by 12 positive divisors.
The sum of these divisors (counting 20185140) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000000000000110100
3
Ternary
1101222111210210
4
Quaternary
1031000000310
5
Quinary
20131411030
6
Senary
2000345420
8
Octal
115000064
10
Decimal
20185140
12
Duodecimal
6915270
16
Hexadecimal
1340034
20
Vigesimal
6632h0
36
Base36
c0myc
md5
c8e002e2397c9b5945ef3f6ac182b65b
sha1
021198605f57359e68445fed651db6ab34b3e18d
sha256
6cafb7cb7870508f2450e89af7eb241e2b7707bcf591e007061fb623d656e882
sha512
ff2d95ddae43f32366f5ae2a4f83b102f039845726658e18b59aea9f5e2e66b34456d083d30302dec925d83ad5aff2ad982e0c2bba8ed3e1d818eed04cf3465d
ripemd-160
ac4280bb555fe4885b7ed953c8fd8a0fdf37f7cc
Diameter
40370280
Circumference
126826975.07136
Area
1.280010123796E+15
Volume
3.4449578066986E+22
Surface area
5.1200404951839E+15
Circumference
126826975.07136
Perimeter
80740560
Area
407439876819600
Diagonal
28546098.7464
Surface area
2444639260917600
Volume
8.2242309551864E+21
Space diagonal
34961688.037891
Perimeter
60555420
Area
1.7642664192029E+14
Altitude
17480844.018945
Surface area
1.7642664192029E+14
Volume
9.692349130761E+20
Height
9515366.2487999