168406979 is an odd 9-digits composite number following 168406978
and preceding 168406980 . In scientific notation, it is written as 1.68406979 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 150609888 positive integers (up to 168406979) that are relatively prime to 168406979.
168406979 has 24 divisors, whose sum is 188153280
The reverse of 168406979 is 979604861
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred sixty-eight million four hundred six thousand nine hundred seventy-nine
Scientific notation
1.68406979 × 10^8
Engineering notation
1.68406979 × 10^6
Prime Factorization
13 × 13 × 107 × 139 × 67
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12954383
Product of the distinct prime numbers
The prime factorization of 168406979 is 13 × 13 × 107 × 139 × 67.
Since it has a total of 5 prime factors.
10 , 4 , 38 , 1 , 777 , 872 , 8650 , 7764 , 96173 , 17850 , 582462 , 129143 , 5485537 , 3034129 , 81104783 , 47704068 , 759291373 , 903484685 , 1505436050 , 1959698653
n×2
336813958
n×3
505220937
n×4
673627916
n×5
842034895
n÷2
84203489.5
n÷3
56135659.666667
n÷3
42101744.75
n÷5
33681395.8
n2
28360910575906441
n3
4.7761752717776E+24
n4
8.0434124869456E+32
n5
1.3545667977774E+41
2 √n
12977.171456061
3 √n
552.23004112636
4 √n
113.91738873438
5 √n
44.184710828297
1 , 13 , 67 , 107 , 139 , 169 , 871 , 1391 , 1807 , 7169 , 9313 , 11323 , 14873 , 18083 , 23491 , 93197 , 121069 , 193349 , 996491 , 1211561 , 1573897 , 2513537 , 12954383 , 168406979
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168406978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168406979 can be divided by 24 positive divisors.
The sum of these divisors (counting 168406979) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010011010111111000011
3
Ternary
102201212221221112
4
Quaternary
22002122333003
5
Quinary
321103010404
6
Senary
24413313535
8
Octal
1202327703
10
Decimal
168406979
12
Duodecimal
484958ab
16
Hexadecimal
a09afc3
20
Vigesimal
2ccah8j
36
Base36
2s9jnn
md5
b6f774ba652ce3b7700c11dd36f4c485
sha1
a7da4ce37ba0e3d5a36f9f3c7b527432f3c4a4be
sha256
abfd7daffa8b910f283729478a937e4ddee1386a5240749ca7e9c49e1657ae44
sha512
8342930a758b08f5135164588ae4e7b50ccc22e94652dbb4e4f4d06732b8ad039da4e65cb57503fcd4a094d1231b10863b24527a49679bc99e1c54800cd9e773
ripemd-160
2b424783390e82b1d2ef3da668b8c0b98818adb2
Diameter
336813958
Circumference
1058132256.0793
Area
8.9098428314385E+16
Volume
2.0006396194765E+25
Surface area
3.5639371325754E+17
Circumference
1058132256.0793
Perimeter
673627916
Area
28360910575906441
Diagonal
238163433.70008
Surface area
170165463455438646
Volume
4.7761752717776E+24
Space diagonal
291689443.97718
Perimeter
505220937
Area
1.2280634516597E+16
Altitude
145844721.98859
Surface area
1.2280634516597E+16
Volume
5.6287765380157E+23
Height
79387811.23336