188870985 is an odd 9-digits composite number following 188870984
and preceding 188870986 . In scientific notation, it is written as 1.88870985 × 10^8.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 100731168 positive integers (up to 188870985) that are relatively prime to 188870985.
188870985 has 4 divisors, whose sum is 193068164
The reverse of 188870985 is 589078881
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred eighty-eight million eight hundred seventy thousand nine hundred eighty-five
Scientific notation
1.88870985 × 10^8
Engineering notation
1.88870985 × 10^6
Prime Factorization
45 × 4197133
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
188870985
Product of the distinct prime numbers
The prime factorization of 188870985 is 45 × 4197133.
Since it has a total of 2 prime factors.
4 , 9 , 65 , 94 , 199 , 319 , 534 , 6856 , 71318 , 19275 , 714701 , 831053 , 5261975 , 1914185 , 4909462 , 25878882 , 240079522 , 508605223 , 9481316729 , 543242059
n×2
377741970
n×3
566612955
n×4
755483940
n×5
944354925
n÷2
94435492.5
n÷3
62956995
n÷3
47217746.25
n÷5
37774197
n2
35672248974870225
n3
6.737452801049E+24
n4
1.2725093469251E+33
n5
2.4034009377546E+41
2 √n
13743.034053658
3 √n
573.74874478202
4 √n
117.23068733765
5 √n
45.209848224437
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
-188870984
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 188870985 can be divided by 4 positive divisors.
The sum of these divisors (counting 188870985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011010000011111000101001001
3
Ternary
111011101122021200
4
Quaternary
23100133011021
5
Quinary
341322332420
6
Senary
30424054413
8
Octal
1320370511
10
Decimal
188870985
12
Duodecimal
53304409
16
Hexadecimal
b41f149
20
Vigesimal
2j08h95
36
Base36
34g5s9
md5
16a3edd33f203ee1bedc54915ccae61e
sha1
e7676d08be0bca354ce1606b754687f89a3806b8
sha256
13cea785b567dbaee06f2f81e01b6e1f7c9cfaa1e3ee51a81b1aae43a992ad06
sha512
4a60020aa11c94585b12f369f24aa41ffbeabba6e2b05a9d5a8388d67c0bf9a5288562fcc8ea5e434951d9d41ddaad5aeaf48ff2dbfb45afdfe13e1ae360fa75
ripemd-160
7e0e8ea76719f40b72176c863eaa965252f666a2
Diameter
377741970
Circumference
1186711397.9045
Area
1.1206767531648E+17
Volume
2.8221776298245E+25
Surface area
4.4827070126591E+17
Circumference
1186711397.9045
Perimeter
755483940
Area
35672248974870225
Diagonal
267103908.52577
Surface area
214033493849221350
Volume
6.737452801049E+24
Space diagonal
327134142.09558
Perimeter
566612955
Area
1.5446536911181E+16
Altitude
163567071.04779
Surface area
1.5446536911181E+16
Volume
7.9401642725767E+23
Height
89034636.175255