20085790 is an even 8-digits composite number following 20085789
and preceding 20085791 . In scientific notation, it is written as 2.0085790 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 7951104 positive integers (up to 20085790) that are relatively prime to 20085790.
20085790 has 16 divisors, whose sum is 36528912
The reverse of 20085790 is 09758002
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eighty-five thousand seven hundred ninety
Scientific notation
2.0085790 × 10^7
Engineering notation
2.0085790 × 10^6
Prime Factorization
2 × 5 × 97 × 20707
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20085790
Product of the distinct prime numbers
The prime factorization of 20085790 is 2 × 5 × 97 × 20707.
Since it has a total of 4 prime factors.
9 , 5 , 76 , 78 , 592 , 561 , 6428 , 5760 , 77539 , 8746 , 503788 , 284901 , 8316051 , 8516045 , 3372141 , 41470164 , 386996107 , 701842731 , 7089017544 , 2656985927
n×2
40171580
n×3
60257370
n×4
80343160
n×5
100428950
n÷2
10042895
n÷3
6695263.3333333
n÷3
5021447.5
n÷5
4017158
n2
403438959924100
n3
8.1033902268539E+21
n4
1.6276299438464E+29
n5
3.269223324981E+36
2 √n
4481.717304784
3 √n
271.82932451518
4 √n
66.945629467382
5 √n
28.878709599467
1 , 2 , 5 , 10 , 97 , 194 , 485 , 970 , 20707 , 41414 , 103535 , 207070 , 2008579 , 4017158 , 10042895 , 20085790
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20085789
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20085790 can be divided by 16 positive divisors.
The sum of these divisors (counting 20085790) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100111110000011110
3
Ternary
1101210110112011
4
Quaternary
1030213300132
5
Quinary
20120221130
6
Senary
1554301434
8
Octal
114476036
10
Decimal
20085790
12
Duodecimal
688787a
16
Hexadecimal
1327c1e
20
Vigesimal
65ae9a
36
Base36
byiam
md5
0b6cefa38c4ae2e1bfbd2f78e18bd533
sha1
be96c5db7e2700742add358470c76f1538b098ed
sha256
912e55d1c66f5c6ce2bdf09eeb30fe74120115dbce1d073df069ae14686df8a7
sha512
68d08d22373e2d1d9b8c58b31bd07f701e3dc29ff1b3962e1f04fbc67610fbfa408913b8ca108b0cb1dbc7ba2e4c8fa94e28a0ce68fbf3eb6037f61e9d4b5aff
ripemd-160
bb8f5c2e138d15aac2d6402a8cbc2310f5aa103e
Diameter
40171580
Circumference
126202740.61109
Area
1.2674408726695E+15
Volume
3.3943401607807E+22
Surface area
5.0697634906778E+15
Circumference
126202740.61109
Perimeter
80343160
Area
403438959924100
Diagonal
28405596.628978
Surface area
2420633759544600
Volume
8.1033902268539E+21
Space diagonal
34789608.790159
Perimeter
60257370
Area
1.7469419408532E+14
Altitude
17394804.395079
Surface area
1.7469419408532E+14
Volume
9.549936966682E+20
Height
9468532.2096593