168642685 is an odd 9-digits composite number following 168642684
and preceding 168642686 . In scientific notation, it is written as 1.68642685 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 128310336 positive integers (up to 168642685) that are relatively prime to 168642685.
168642685 has 16 divisors, whose sum is 212486400
The reverse of 168642685 is 586246861
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred sixty-eight million six hundred forty-two thousand six hundred eighty-five
Scientific notation
1.68642685 × 10^8
Engineering notation
1.68642685 × 10^6
Prime Factorization
29 × 5 × 67 × 17359
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168642685
Product of the distinct prime numbers
The prime factorization of 168642685 is 29 × 5 × 67 × 17359.
Since it has a total of 4 prime factors.
4 , 6 , 60 , 48 , 702 , 883 , 3189 , 5040 , 80373 , 36638 , 323537 , 862358 , 5406949 , 5150882 , 33881630 , 50003742 , 386380714 , 529760388 , 883011170 , 7838074182
n×2
337285370
n×3
505928055
n×4
674570740
n×5
843213425
n÷2
84321342.5
n÷3
56214228.333333
n÷3
42160671.25
n÷5
33728537
n2
28440355204009225
n3
4.7962578639578E+24
n4
8.0885380413021E+32
n5
1.3640727730098E+41
2 √n
12986.249843585
3 √n
552.48755866963
4 √n
113.95722813225
5 √n
44.197072282442
1 , 5 , 29 , 67 , 145 , 335 , 1943 , 9715 , 17359 , 86795 , 503411 , 1163053 , 2517055 , 5815265 , 33728537 , 168642685
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
-168642684
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 168642685 can be divided by 16 positive divisors.
The sum of these divisors (counting 168642685) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011010100100001111101
3
Ternary
102202022221021101
4
Quaternary
22003110201331
5
Quinary
321133031220
6
Senary
24422333101
8
Octal
1203244175
10
Decimal
168642685
12
Duodecimal
4858a191
16
Hexadecimal
a0d487d
20
Vigesimal
2ce06e5
36
Base36
2selj1
md5
386f3849effa0fe509359086c547775e
sha1
a56d2ea704752b7da3a7293557e22c50c255732b
sha256
e5a2861d129f9a2bcffb1a393960a36224c04693e2ef60c464c65292630d634b
sha512
206fc3f596c830de9a92da7349a8182e3904d1bdd9b08a9d36cff87458f3890c0a30a92c4be292f246fc970dce0f790e3ea2119c1dde0b00286c8969bb47fa82
ripemd-160
70191b9a35edd0035d475899a70430c79ee57909
Diameter
337285370
Circumference
1059613240.5553
Area
8.93480109744E+16
Volume
2.0090517960176E+25
Surface area
3.573920438976E+17
Circumference
1059613240.5553
Perimeter
674570740
Area
28440355204009225
Diagonal
238496772.32201
Surface area
170642131224055350
Volume
4.7962578639578E+24
Space diagonal
292097698.74483
Perimeter
505928055
Area
1.2315035049662E+16
Altitude
146048849.37242
Surface area
1.2315035049662E+16
Volume
5.6524440998732E+23
Height
79498924.107338