20001385 is an odd 8-digits composite number following 20001384
and preceding 20001386 . In scientific notation, it is written as 2.0001385 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 16001104 positive integers (up to 20001385) that are relatively prime to 20001385.
20001385 has 4 divisors, whose sum is 24001668
The reverse of 20001385 is 58310002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one thousand three hundred eighty-five
Scientific notation
2.0001385 × 10^7
Engineering notation
2.0001385 × 10^6
Prime Factorization
5 × 4000277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20001385
Product of the distinct prime numbers
The prime factorization of 20001385 is 5 × 4000277.
Since it has a total of 2 prime factors.
10 , 5 , 77 , 97 , 524 , 829 , 400 , 6970 , 4265 , 23392 , 960303 , 479891 , 1798222 , 9571118 , 59814817 , 18243 , 647648317 , 505587636 , 37487820 , 4389139932
n×2
40002770
n×3
60004155
n×4
80005540
n×5
100006925
n÷2
10000692.5
n÷3
6667128.3333333
n÷3
5000346.25
n÷5
4000277
n2
400055401918225
n3
8.0016621150962E+21
n4
1.6004432460395E+29
n5
3.2011081534686E+36
2 √n
4472.2908000263
3 √n
271.44802729553
4 √n
66.875188224231
5 √n
28.854397734949
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
-20001384
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 20001385 can be divided by 4 positive divisors.
The sum of these divisors (counting 20001385) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010011001001101001
3
Ternary
1101122011202001
4
Quaternary
1030103021221
5
Quinary
20110021020
6
Senary
1552411001
8
Octal
114231151
10
Decimal
20001385
12
Duodecimal
6846a61
16
Hexadecimal
1313269
20
Vigesimal
650395
36
Base36
bwp61
md5
71a0942a8400ef01a5b8de75e095a25a
sha1
5a890ce41df3f4733ab1f8127aa0e12e014508b5
sha256
9ae830e771f0f36ed508c05adf005abb5e022aafd4fc03b5897f795c3546d91b
sha512
7aec3294a544c8e8a97b7de91b282677e2a30c4d261f7b5c7bcd445c35bd7f842b40fcaf406ee66ab7899a202bf8a48bc8d7fd566660b2c698237d00a487aa40
ripemd-160
8e2beace730bff091ede1228e1adc657e59b0ba5
Diameter
40002770
Circumference
125672408.35524
Area
1.2568111116952E+15
Volume
3.3517283889725E+22
Surface area
5.0272444467808E+15
Circumference
125672408.35524
Perimeter
80005540
Area
400055401918225
Diagonal
28286229.933246
Surface area
2400332411509350
Volume
8.0016621150962E+21
Space diagonal
34643415.041746
Perimeter
60004155
Area
1.7322907049119E+14
Altitude
17321707.520873
Surface area
1.7322907049119E+14
Volume
9.4300492372466E+20
Height
9428743.3110819