168999728 is an even 9-digits composite number following 168999727
and preceding 168999729 . In scientific notation, it is written as 1.68999728 × 10^8.
The sum of its digits is 59. It has a total of 6 prime factors and 20 positive divisors.
There are 83238144 positive integers (up to 168999728) that are relatively prime to 168999728.
168999728 has 20 divisors, whose sum is 332326200
The reverse of 168999728 is 827999861
Previous prime number is 67
Is Prime? no
Number parity even
Number length 9
Sum of Digits 59
Digital Root 5
Name
one hundred sixty-eight million nine hundred ninety-nine thousand seven hundred twenty-eight
Scientific notation
1.68999728 × 10^8
Engineering notation
1.68999728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 67 × 157649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
21124966
Product of the distinct prime numbers
The prime factorization of 168999728 is 2 × 2 × 2 × 2 × 67 × 157649.
Since it has a total of 6 prime factors.
8 , 2 , 68 , 62 , 544 , 58 , 8178 , 625 , 19837 , 17271 , 257830 , 101911 , 2592035 , 7210649 , 67128891 , 84208763 , 345368529 , 263858543 , 4065893320 , 5185491993
n×2
337999456
n×3
506999184
n×4
675998912
n×5
844998640
n÷2
84499864
n÷3
56333242.666667
n÷3
42249932
n÷5
33799945.6
n2
28560908064073984
n3
4.8267856942615E+24
n4
8.1572546944449E+32
n5
1.3785738245879E+41
2 √n
12999.989538457
3 √n
552.87718475496
4 √n
114.01749663301
5 √n
44.215770880036
1 , 2 , 4 , 8 , 16 , 67 , 134 , 268 , 536 , 1072 , 157649 , 315298 , 630596 , 1261192 , 2522384 , 10562483 , 21124966 , 42249932 , 84499864 , 168999728
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168999727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168999728 can be divided by 20 positive divisors.
The sum of these divisors (counting 168999728) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000100101011101100110000
3
Ternary
102210000002001012
4
Quaternary
22010223230300
5
Quinary
321230442403
6
Senary
24434130052
8
Octal
1204535460
10
Decimal
168999728
12
Duodecimal
48720928
16
Hexadecimal
a12bb30
20
Vigesimal
2cg4j68
36
Base36
2sm90w
md5
aecc3e4a336801a445ef336eac484c27
sha1
92146778e3000347c3960a6be25085ee73fbb967
sha256
626235410976bbfe3cdea9dfa681523c776b3eb6ea3956adf08d8a7768d6a43a
sha512
381e47dfcdda01ebce05381c7c9714fca6a023a6dac99ee6bfea3f5c10d23294f7afe5b12fdd7bd85a762faf35f42db32a6b93d6e972b8e030dc35e12d5ebbeb
ripemd-160
69fafeb57684cd596c0455e7aae7797f77e85d6f
Diameter
337999456
Circumference
1061856607.8869
Area
8.9726738953948E+16
Volume
2.0218392636726E+25
Surface area
3.5890695581579E+17
Circumference
1061856607.8869
Perimeter
675998912
Area
28560908064073984
Diagonal
239001707.37496
Surface area
171365448384443904
Volume
4.8267856942615E+24
Space diagonal
292716115.36132
Perimeter
506999184
Area
1.236723596932E+16
Altitude
146358057.68066
Surface area
1.236723596932E+16
Volume
5.6884214929109E+23
Height
79667235.791655