168307890 is an even 9-digits composite number following 168307889
and preceding 168307891 . In scientific notation, it is written as 1.68307890 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 42519744 positive integers (up to 168307890) that are relatively prime to 168307890.
168307890 has 16 divisors, whose sum is 283466880
The reverse of 168307890 is 098703861
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred sixty-eight million three hundred seven thousand eight hundred ninety
Scientific notation
1.68307890 × 10^8
Engineering notation
1.68307890 × 10^6
Prime Factorization
2 × 15 × 19 × 295277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168307890
Product of the distinct prime numbers
The prime factorization of 168307890 is 2 × 15 × 19 × 295277.
Since it has a total of 4 prime factors.
8 , 4 , 64 , 78 , 559 , 634 , 9061 , 4179 , 50050 , 29937 , 278419 , 787277 , 9167106 , 274996 , 52610226 , 8949567 , 204679544 , 846810178 , 2984494642 , 5535809439
n×2
336615780
n×3
504923670
n×4
673231560
n×5
841539450
n÷2
84153945
n÷3
56102630
n÷3
42076972.5
n÷5
33661578
n2
28327545836252100
n3
4.7677494685779E+24
n4
8.0244985310496E+32
n5
1.3505864160691E+41
2 √n
12973.353074668
3 √n
552.12171097955
4 √n
113.90062806968
5 √n
44.179510034789
1 , 2 , 15 , 19 , 30 , 38 , 285 , 570 , 295277 , 590554 , 4429155 , 5610263 , 8858310 , 11220526 , 84153945 , 168307890
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
-168307889
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 168307890 can be divided by 16 positive divisors.
The sum of these divisors (counting 168307890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010000010110010110010
3
Ternary
102201200221000120
4
Quaternary
22002002302302
5
Quinary
321041323030
6
Senary
24411231110
8
Octal
1202026262
10
Decimal
168307890
12
Duodecimal
48448496
16
Hexadecimal
a082cb2
20
Vigesimal
2cbi9ea
36
Base36
2s7f76
md5
e3f7ad6d328780d5ab4c1bafae7c07e6
sha1
847cbba35062eec0d917d5db643208ebe1e6b5d4
sha256
d9d4beff76d6cfee1a2808538ab09fbc8a006e04e28cd722a70bc9fe13a644e0
sha512
32f0099bf7e81ccb23b428414c62878a06c452ab33a7cf10ffedda838022bef1494bdc26ecf64ccc876e86249f7bf363d6c0645a31e6d33d27ede02e37eb1364
ripemd-160
e059f7aa5dceb2955139a147e7c085d2b2a5c0c7
Diameter
336615780
Circumference
1057509661.5304
Area
8.8993609893398E+16
Volume
1.9971102272855E+25
Surface area
3.5597443957359E+17
Circumference
1057509661.5304
Perimeter
673231560
Area
28327545836252100
Diagonal
238023300.6924
Surface area
169965275017512600
Volume
4.7677494685779E+24
Space diagonal
291517816.79471
Perimeter
504923670
Area
1.2266187160531E+16
Altitude
145758908.39736
Surface area
1.2266187160531E+16
Volume
5.6188466337166E+23
Height
79341100.2308