20385961 is an odd 8-digits composite number following 20385960
and preceding 20385962 . In scientific notation, it is written as 2.0385961 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20195332 positive integers (up to 20385961) that are relatively prime to 20385961.
20385961 has 4 divisors, whose sum is 20576592
The reverse of 20385961 is 16958302
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million three hundred eighty-five thousand nine hundred sixty-one
Scientific notation
2.0385961 × 10^7
Engineering notation
2.0385961 × 10^6
Prime Factorization
107 × 190523
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20385961
Product of the distinct prime numbers
The prime factorization of 20385961 is 107 × 190523.
Since it has a total of 2 prime factors.
6 , 10 , 54 , 23 , 235 , 170 , 3348 , 5583 , 30438 , 45074 , 972284 , 150700 , 1322199 , 7559657 , 12787669 , 42164845 , 133840796 , 290142289 , 4118340532 , 346889341
n×2
40771922
n×3
61157883
n×4
81543844
n×5
101929805
n÷2
10192980.5
n÷3
6795320.3333333
n÷3
5096490.25
n÷5
4077192.2
n2
415587405893521
n3
8.4721486486365E+21
n4
1.7271289193731E+29
n5
3.5209182792311E+36
2 √n
4515.0815053551
3 √n
273.17674734768
4 √n
67.194356201657
5 √n
28.964513466747
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
-20385960
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 20385961 can be divided by 4 positive divisors.
The sum of these divisors (counting 20385961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110001000010101001
3
Ternary
1102100201021121
4
Quaternary
1031301002221
5
Quinary
20204322321
6
Senary
2004535241
8
Octal
115610251
10
Decimal
20385961
12
Duodecimal
69b1521
16
Hexadecimal
13710a9
20
Vigesimal
6784i1
36
Base36
c4xwp
md5
7a7a72106c43e0548dd5dc0ba2a6bd0b
sha1
090501d192bdc17c9840a5ba80046de0337b0d0c
sha256
07898201338d709fbd4191ae57be4363a78a141993cce5ed5d5d0e9f6fe87c03
sha512
f857f32ed6b67b85e37e0eca87c5c043578ddfcbbbaef97461aa4504c22f5d33ac7654bfd168175e22c346ee0edfdec7a854c5ad66443498ab32b524246894ea
ripemd-160
1c1fb2693646d9baf9044c2564ee5106a23586d6
Diameter
40771922
Circumference
128088770.62794
Area
1.3056063412795E+15
Volume
3.5488053272903E+22
Surface area
5.2224253651181E+15
Circumference
128088770.62794
Perimeter
81543844
Area
415587405893521
Diagonal
28830102.528209
Surface area
2493524435361126
Volume
8.4721486486365E+21
Space diagonal
35309520.213118
Perimeter
61157883
Area
1.7995462549833E+14
Altitude
17654760.106559
Surface area
1.7995462549833E+14
Volume
9.9845229344522E+20
Height
9610034.1760697