168435985 is an odd 9-digits composite number following 168435984
and preceding 168435986 . In scientific notation, it is written as 1.68435985 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 133358400 positive integers (up to 168435985) that are relatively prime to 168435985.
168435985 has 16 divisors, whose sum is 204221952
The reverse of 168435985 is 589534861
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred sixty-eight million four hundred thirty-five thousand nine hundred eighty-five
Scientific notation
1.68435985 × 10^8
Engineering notation
1.68435985 × 10^6
Prime Factorization
5 × 271 × 197 × 631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168435985
Product of the distinct prime numbers
The prime factorization of 168435985 is 5 × 271 × 197 × 631.
Since it has a total of 4 prime factors.
1 , 10 , 98 , 25 , 624 , 685 , 6120 , 4287 , 85620 , 95366 , 491324 , 3902 , 8379695 , 7596597 , 49758945 , 67215993 , 182600706 , 589931965 , 466459408 , 6596219920
n×2
336871970
n×3
505307955
n×4
673743940
n×5
842179925
n÷2
84217992.5
n÷3
56145328.333333
n÷3
42108996.25
n÷5
33687197
n2
28370681042920225
n3
4.7786436065851E+24
n4
8.0489554283911E+32
n5
1.3557337358022E+41
2 √n
12978.288985841
3 √n
552.26174421674
4 √n
113.92229362965
5 √n
44.186232776427
1 , 5 , 197 , 271 , 631 , 985 , 1355 , 3155 , 53387 , 124307 , 171001 , 266935 , 621535 , 855005 , 33687197 , 168435985
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
-168435984
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 168435985 can be divided by 16 positive divisors.
The sum of these divisors (counting 168435985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010100010000100010001
3
Ternary
102201221102201211
4
Quaternary
22002202010101
5
Quinary
321104422420
6
Senary
24414100121
8
Octal
1202420421
10
Decimal
168435985
12
Duodecimal
484aa641
16
Hexadecimal
a0a2111
20
Vigesimal
2cce9j5
36
Base36
2sa61d
md5
d0fcbfe4d8743ff6e7117cc60cdf6fce
sha1
daef7ea6b5b73e73a2796c0960ec13c59a7aea0f
sha256
8f10967b64d00085ef0ef795c8fd042ac783ffdff4a51b374283fab0374a5f9c
sha512
7c3ab730561fd9cd83b937b06e665c0fb2b9502ceacd4eaa6c9be70f96c6ba3fc276df1298a66fdbceb609dea01a48bd52e2a12461e98da553d1701ca9a99b1f
ripemd-160
7887b74a089e05a3536a9717bcb97dc4e610baaf
Diameter
336871970
Circumference
1058314506.1523
Area
8.9129123141777E+16
Volume
2.0016735531429E+25
Surface area
3.5651649256711E+17
Circumference
1058314506.1523
Perimeter
673743940
Area
28370681042920225
Diagonal
238204454.37867
Surface area
170224086257521350
Volume
4.7786436065851E+24
Space diagonal
291739683.84291
Perimeter
505307955
Area
1.2284865252917E+16
Altitude
145869841.92145
Surface area
1.2284865252917E+16
Volume
5.6316854984834E+23
Height
79401484.79289