20085555 is an odd 8-digits composite number following 20085554
and preceding 20085556 . In scientific notation, it is written as 2.0085555 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 8781696 positive integers (up to 20085555) that are relatively prime to 20085555.
20085555 has 16 divisors, whose sum is 25552896
The reverse of 20085555 is 55558002
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eighty-five thousand five hundred fifty-five
Scientific notation
2.0085555 × 10^7
Engineering notation
2.0085555 × 10^6
Prime Factorization
15 × 7 × 23 × 8317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20085555
Product of the distinct prime numbers
The prime factorization of 20085555 is 15 × 7 × 23 × 8317.
Since it has a total of 4 prime factors.
1 , 6 , 4 , 30 , 682 , 224 , 2935 , 969 , 48814 , 61841 , 292269 , 581951 , 3648542 , 274434 , 61558384 , 90191578 , 402051027 , 890411060 , 3471627083 , 4595094784
n×2
40171110
n×3
60256665
n×4
80342220
n×5
100427775
n÷2
10042777.5
n÷3
6695185
n÷3
5021388.75
n÷5
4017111
n2
403429519658025
n3
8.1031058057148E+21
n4
1.627553773315E+29
n5
3.2690320829377E+36
2 √n
4481.6910870786
3 √n
271.82826439356
4 √n
66.945433653675
5 √n
28.878642024047
1 , 7 , 15 , 23 , 105 , 161 , 345 , 2415 , 8317 , 58219 , 124755 , 191291 , 873285 , 1339037 , 2869365 , 20085555
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
-20085554
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 20085555 can be divided by 16 positive divisors.
The sum of these divisors (counting 20085555) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100111101100110011
3
Ternary
1101210110012110
4
Quaternary
1030213230303
5
Quinary
20120214210
6
Senary
1554300403
8
Octal
114475463
10
Decimal
20085555
12
Duodecimal
6887703
16
Hexadecimal
1327b33
20
Vigesimal
65adhf
36
Base36
byi43
md5
8ce50ae6623dd5ebbfd90dabfc4a8e6f
sha1
76082d89a1294dd2e95c785a830e5969afc1a354
sha256
551868e2c0fa17f4115cc16dcf97ab2aac7489a5d078633038ffa515b44e6bb7
sha512
dfc1eac29835b6e2a87f74ae989591f1786826ad3d05cc0aba09b3815ed76e79aab4493dd26c3c45fd9dd61b2920157bd034665edf155182232be7d59975afb0
ripemd-160
e152d031590e045fb3a19a4e43cc3e89a68f1066
Diameter
40171110
Circumference
126201264.06255
Area
1.2674112151989E+15
Volume
3.3942210227326E+22
Surface area
5.0696448607956E+15
Circumference
126201264.06255
Perimeter
80342220
Area
403429519658025
Diagonal
28405264.288791
Surface area
2420577117948150
Volume
8.1031058057148E+21
Space diagonal
34789201.758219
Perimeter
60256665
Area
1.746901063302E+14
Altitude
17394600.87911
Surface area
1.746901063302E+14
Volume
9.5496017731551E+20
Height
9468421.4295969