168291290 is an even 9-digits composite number following 168291289
and preceding 168291291 . In scientific notation, it is written as 1.68291290 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 67122240 positive integers (up to 168291290) that are relatively prime to 168291290.
168291290 has 16 divisors, whose sum is 303798600
The reverse of 168291290 is 092192861
Previous prime number is 349
Is Prime? no Number parity even Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred sixty-eight million two hundred ninety-one thousand two hundred ninety
Scientific notation
1.68291290 × 10^8
Engineering notation
1.68291290 × 10^6
Prime Factorization
2 × 5 × 349 × 48221
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
168291290 Product of the distinct prime numbers
The prime factorization of 168291290 is 2 × 5 × 349 × 48221.
Since it has a total of 4 prime factors.
2 , 2 , 95 , 40 , 522 , 224 , 5980 , 9764 , 84438 , 53416 , 403697 , 485339 , 6051538 , 6201316 , 54259929 , 164793 , 584476873 , 115717595 , 2540331538 , 5411412461
n×2
336582580
n×3
504873870
n×4
673165160
n×5
841456450
n÷2
84145645
n÷3
56097096.666667
n÷3
42072822.5
n÷5
33658258
n2
28321958289864100
n3
4.7663388959274E+24
n4
8.021333213728E+32
n5
1.3499205140581E+41
2 √n12972.713285971
3 √n552.10355868786
4 √n113.89781949612
5 √n44.178638526268
1 , 2 , 5 , 10 , 349 , 698 , 1745 , 3490 , 48221 , 96442 , 241105 , 482210 , 16829129 , 33658258 , 84145645 , 168291290
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
-168291289 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 168291290 can be divided by 16 positive divisors.
The sum of these divisors (counting 168291290) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001111110101111011010
3
Ternary
102201200002020202
4
Quaternary
22001332233122
5
Quinary
321040310130
6
Senary
24411022202
8
Octal
1201765732
10
Decimal
168291290
12
Duodecimal
4843a962
16
Hexadecimal
a07ebda
20
Vigesimal
2cbg84a
36
Base36
2s72e2
md5
73956b23a1e79afa4547b2910adfa901
sha1
fbe4bd1034578a698797e324abfdcc774f010156
sha256
4c301f3489b2716a4de57a89e5897b3728af05d4b2751fbd3c6e7b50a4ecb1f4
sha512
0c150a0cbc1b8e78c4cc7f7b1a779c6032cf06e45706b65be19ba421fa917c5e31d4f400d9fdf5961cb4ce7f9f188f479804c73c3417a173ed0cd01b6ab42769
ripemd-160
3d53ad1b4b1894df0a76c88f7edbb4da4e340027
Diameter
336582580
Circumference
1057405360.6543
Area
8.8976056098714E+16
Volume
1.9965193679953E+25
Surface area
3.5590422439485E+17
Circumference
1057405360.6543
Perimeter
673165160
Area
28321958289864100
Diagonal
237999824.74726
Surface area
169931749739184600
Volume
4.7663388959274E+24
Space diagonal
291489064.75131
Perimeter
504873870
Area
1.2263767681973E+16
Altitude
145744532.37565
Surface area
1.2263767681973E+16
Volume
5.6171842579058E+23
Height
79333274.915755