168431385 is an odd 9-digits composite number following 168431384
and preceding 168431386 . In scientific notation, it is written as 1.68431385 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 89641728 positive integers (up to 168431385) that are relatively prime to 168431385.
168431385 has 16 divisors, whose sum is 270055296
The reverse of 168431385 is 583134861
Previous prime number is 487
Is Prime? no Number parity odd Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred sixty-eight million four hundred thirty-one thousand three hundred eighty-five
Scientific notation
1.68431385 × 10^8
Engineering notation
1.68431385 × 10^6
Prime Factorization
5 × 3 × 487 × 23057
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
168431385 Product of the distinct prime numbers
The prime factorization of 168431385 is 5 × 3 × 487 × 23057.
Since it has a total of 4 prime factors.
7 , 7 , 82 , 74 , 22 , 441 , 1232 , 9255 , 74748 , 79197 , 215406 , 254595 , 8190110 , 9608123 , 24069757 , 58756897 , 350922367 , 509246238 , 1263053819 , 2913963118
n×2
336862770
n×3
505294155
n×4
673725540
n×5
842156925
n÷2
84215692.5
n÷3
56143795
n÷3
42107846.25
n÷5
33686277
n2
28369131453018225
n3
4.7782521018789E+24
n4
8.0480761939863E+32
n5
1.3555486199386E+41
2 √n12978.111765584
3 √n552.25671673374
4 √n113.92151581499
5 √n44.185991427892
1 , 3 , 5 , 15 , 487 , 1461 , 2435 , 7305 , 23057 , 69171 , 115285 , 345855 , 11228759 , 33686277 , 56143795 , 168431385
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
-168431384 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 168431385 can be divided by 16 positive divisors.
The sum of these divisors (counting 168431385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010100000111100011001
3
Ternary
102201221012102110
4
Quaternary
22002200330121
5
Quinary
321104301020
6
Senary
24414022533
8
Octal
1202407431
10
Decimal
168431385
12
Duodecimal
484a7a49
16
Hexadecimal
a0a0f19
20
Vigesimal
2ccdi95
36
Base36
2sa2hl
md5
cdd8c777492172c146efcedc50a61ad3
sha1
901b68199c94a426201afd22195a6f112b529079
sha256
11ad685aeb75ebf0c46e291951362904c390357686a4df95d5721864b1f48a4f
sha512
ce1eee6aacc353ddc34bfc928a3be6b30b5d6dd239af5242c939addd315b511dfc5e054d02fa7946a4e9209844ff105e0ec94a8927672c77069e3611d1e6c5fd
ripemd-160
f8e098039465bf97077e6b9d2bb788c2a11dbdf4
Diameter
336862770
Circumference
1058285603.4999
Area
8.9124254961525E+16
Volume
2.001509560035E+25
Surface area
3.564970198461E+17
Circumference
1058285603.4999
Perimeter
673725540
Area
28369131453018225
Diagonal
238197948.99628
Surface area
170214788718109350
Volume
4.7782521018789E+24
Space diagonal
291731716.40919
Perimeter
505294155
Area
1.2284194260807E+16
Altitude
145865858.2046
Surface area
1.2284194260807E+16
Volume
5.6312241057624E+23
Height
79399316.332095