20001895 is an odd 8-digits composite number following 20001894
and preceding 20001896 . In scientific notation, it is written as 2.0001895 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 16001512 positive integers (up to 20001895) that are relatively prime to 20001895.
20001895 has 4 divisors, whose sum is 24002280
The reverse of 20001895 is 59810002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one thousand eight hundred ninety-five
Scientific notation
2.0001895 × 10^7
Engineering notation
2.0001895 × 10^6
Prime Factorization
5 × 4000379
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20001895
Product of the distinct prime numbers
The prime factorization of 20001895 is 5 × 4000379.
Since it has a total of 2 prime factors.
8 , 4 , 42 , 80 , 278 , 254 , 2269 , 9705 , 59832 , 50004 , 489147 , 740176 , 2375968 , 9570507 , 54118695 , 57391994 , 286195686 , 493022290 , 94306983 , 6620705227
n×2
40003790
n×3
60005685
n×4
80007580
n×5
100009475
n÷2
10000947.5
n÷3
6667298.3333333
n÷3
5000473.75
n÷5
4000379
n2
400075803591025
n3
8.0022742154683E+21
n4
1.60060648619E+29
n5
3.2015162873092E+36
2 √n
4472.3478174221
3 √n
271.45033442438
4 √n
66.875614519958
5 √n
28.854544880687
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
-20001894
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 20001895 can be divided by 4 positive divisors.
The sum of these divisors (counting 20001895) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010011010001100111
3
Ternary
1101122012102221
4
Quaternary
1030103101213
5
Quinary
20110030040
6
Senary
1552413211
8
Octal
114232147
10
Decimal
20001895
12
Duodecimal
6847207
16
Hexadecimal
1313467
20
Vigesimal
6504ef
36
Base36
bwpk7
md5
791d78234736a1ef95ed15df55338bb7
sha1
efa1fcb479c40c65cb2d6d3c5601e60af302d912
sha256
b4ed9a4fd4e0888a24a7e72c3dbfdd71732620ed6ae8f189e6b9845679225dab
sha512
ff8d2932d3f686d0c68c0f161c64a6127038b032d34aaac176b290fb62ecd56ddf43d14206ea752443881db6a7837ddeb3df4808bc7501c10ceaadc855925911
ripemd-160
54809023a9a81a4c40c315e3b67c2c11dc71b4e2
Diameter
40003790
Circumference
125675612.77975
Area
1.2568752054406E+15
Volume
3.3519847849768E+22
Surface area
5.0275008217624E+15
Circumference
125675612.77975
Perimeter
80007580
Area
400075803591025
Diagonal
28286951.182163
Surface area
2400454821546150
Volume
8.0022742154683E+21
Space diagonal
34644298.387658
Perimeter
60005685
Area
1.7323790467465E+14
Altitude
17322149.193829
Surface area
1.7323790467465E+14
Volume
9.4307706044532E+20
Height
9428983.7273875