168390625 is an odd 9-digits composite number following 168390624
and preceding 168390626 . In scientific notation, it is written as 1.68390625 × 10^8.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 124200000 positive integers (up to 168390625) that are relatively prime to 168390625.
168390625 has 24 divisors, whose sum is 213970680
The reverse of 168390625 is 526093861
Previous prime number is 65
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred sixty-eight million three hundred ninety thousand six hundred twenty-five
Scientific notation
1.68390625 × 10^8
Engineering notation
1.68390625 × 10^6
Prime Factorization
5 × 5 × 125 × 65 × 829
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33678125
Product of the distinct prime numbers
The prime factorization of 168390625 is 5 × 5 × 125 × 65 × 829.
Since it has a total of 5 prime factors.
5 , 2 , 60 , 58 , 183 , 844 , 1978 , 4019 , 63347 , 59900 , 335314 , 55965 , 9420752 , 2275728 , 78921237 , 15370280 , 497686960 , 634541708 , 2456071701 , 7709766191
n×2
336781250
n×3
505171875
n×4
673562500
n×5
841953125
n÷2
84195312.5
n÷3
56130208.333333
n÷3
42097656.25
n÷5
33678125
n2
28355402587890625
n3
4.7747839639015E+24
n4
8.0402885592135E+32
n5
1.3539092156663E+41
2 √n
12976.541334269
3 √n
552.21216486315
4 √n
113.91462300455
5 √n
44.183852639598
1 , 5 , 25 , 65 , 125 , 325 , 625 , 829 , 1625 , 3125 , 4145 , 8125 , 20725 , 40625 , 53885 , 103625 , 203125 , 269425 , 518125 , 1347125 , 2590625 , 6735625 , 33678125 , 168390625
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
-168390624
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 168390625 can be divided by 24 positive divisors.
The sum of these divisors (counting 168390625) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010010110111111100001
3
Ternary
102201212010111211
4
Quaternary
22002112333201
5
Quinary
321102000000
6
Senary
24413110121
8
Octal
1202267741
10
Decimal
168390625
12
Duodecimal
48488341
16
Hexadecimal
a096fe1
20
Vigesimal
2cc8gb5
36
Base36
2s971d
md5
772ee2b8f82a3a0d701fc49ae3f843f0
sha1
89e04149851a44341a91f64d88af331d94946b3c
sha256
47a14cc88b1da75701560547736d49f36565b43638ff9eedc9725d4559bad809
sha512
0a52fe31423ca32850db257b7b0d0d748332b9849c0ee023d701a6104f3e9dacc42136ea83f223aff8c6bea80c6462b76a166d9da2c78c95f70f9167cd311c58
ripemd-160
1beea1d0e1a296a5c5fd1dfc2ffdc437c823ff70
Diameter
336781250
Circumference
1058029500.8668
Area
8.9081124459698E+16
Volume
2.0000568297962E+25
Surface area
3.5632449783879E+17
Circumference
1058029500.8668
Perimeter
673562500
Area
28355402587890625
Diagonal
238140305.65148
Surface area
170132415527343750
Volume
4.7747839639015E+24
Space diagonal
291661118.01828
Perimeter
505171875
Area
1.2278249487824E+16
Altitude
145830559.00914
Surface area
1.2278249487824E+16
Volume
5.6271368659592E+23
Height
79380101.883827