188471985 is an odd 9-digits composite number following 188471984
and preceding 188471986 . In scientific notation, it is written as 1.88471985 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 91472640 positive integers (up to 188471985) that are relatively prime to 188471985.
188471985 has 16 divisors, whose sum is 219566592
The reverse of 188471985 is 589174881
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred eighty-eight million four hundred seventy-one thousand nine hundred eighty-five
Scientific notation
1.88471985 × 10^8
Engineering notation
1.88471985 × 10^6
Prime Factorization
15 × 13 × 71 × 13613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
188471985
Product of the distinct prime numbers
The prime factorization of 188471985 is 15 × 13 × 71 × 13613.
Since it has a total of 4 prime factors.
1 , 6 , 85 , 1 , 937 , 860 , 8127 , 9034 , 96295 , 50484 , 330596 , 515499 , 4536641 , 4239869 , 79247172 , 7750817 , 8917171 , 893606847 , 8155680673 , 8861158998
n×2
376943970
n×3
565415955
n×4
753887940
n×5
942359925
n÷2
94235992.5
n÷3
62823995
n÷3
47117996.25
n÷5
37694397
n2
35521689129840225
n3
6.6948432608539E+24
n4
1.261790398637E+33
n5
2.3781214108506E+41
2 √n
13728.509933711
3 √n
573.34443502781
4 √n
117.16872421304
5 √n
45.190730420925
1 , 13 , 15 , 71 , 195 , 923 , 1065 , 13613 , 13845 , 176969 , 204195 , 966523 , 2654535 , 12564799 , 14497845 , 188471985
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
-188471984
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 188471985 can be divided by 16 positive divisors.
The sum of these divisors (counting 188471985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011001110111101101010110001
3
Ternary
111010122100221220
4
Quaternary
23032331222301
5
Quinary
341222100420
6
Senary
30411335253
8
Octal
1316755261
10
Decimal
188471985
12
Duodecimal
53151529
16
Hexadecimal
b3bdab1
20
Vigesimal
2ihijj5
36
Base36
347lwx
md5
5d002a5f7b3daf488698a0387fee6bf4
sha1
c0ddd9b486d835813a89bf96880856bd973b7bc8
sha256
027a70f8fda4c8851a16ecf22f70020c155912e855a12222a35a8fc0977d7dfb
sha512
5ed4305b89c67c8fbecebc8bf2971e7d70a2c1d35237d4850caffc184550dc4737ea9870854813277153c29e1dff2f5893b09db22b5be53f4cd0314c5ab1e85a
ripemd-160
9810782b9a8ed6aff4c92060e41270614dd61ce9
Diameter
376943970
Circumference
1184204406.967
Area
1.1159467761341E+17
Volume
2.8043293873645E+25
Surface area
4.4637871045363E+17
Circumference
1184204406.967
Perimeter
753887940
Area
35521689129840225
Diagonal
266539637.31438
Surface area
213130134779041350
Volume
6.6948432608539E+24
Space diagonal
326443053.82336
Perimeter
565415955
Area
1.5381342585888E+16
Altitude
163221526.91168
Surface area
1.5381342585888E+16
Volume
7.8899484478848E+23
Height
88846545.77146