168889391 is an odd 9-digits composite number following 168889390
and preceding 168889392 . In scientific notation, it is written as 1.68889391 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 146860120 positive integers (up to 168889391) that are relatively prime to 168889391.
168889391 has 8 divisors, whose sum is 192253824
The reverse of 168889391 is 193988861
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred sixty-eight million eight hundred eighty-nine thousand three hundred ninety-one
Scientific notation
1.68889391 × 10^8
Engineering notation
1.68889391 × 10^6
Prime Factorization
11 × 23 × 667547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168889391
Product of the distinct prime numbers
The prime factorization of 168889391 is 11 × 23 × 667547.
Since it has a total of 3 prime factors.
2 , 3 , 3 , 59 , 394 , 602 , 6128 , 6143 , 49749 , 27696 , 948086 , 810757 , 1643997 , 6558356 , 94831399 , 37460903 , 839369616 , 759091036 , 7683275883 , 6360773419
n×2
337778782
n×3
506668173
n×4
675557564
n×5
844446955
n÷2
84444695.5
n÷3
56296463.666667
n÷3
42222347.75
n÷5
33777878.2
n2
28523626392350881
n3
4.8173378905157E+24
n4
8.1359726257042E+32
n5
1.3740794619478E+41
2 √n
12995.745111382
3 √n
552.75683724244
4 √n
113.99888206198
5 √n
44.209995829225
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168889390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168889391 can be divided by 8 positive divisors.
The sum of these divisors (counting 168889391) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100010000110000101111
3
Ternary
102202210110200122
4
Quaternary
22010100300233
5
Quinary
321213430031
6
Senary
24431515155
8
Octal
1204206057
10
Decimal
168889391
12
Duodecimal
48688abb
16
Hexadecimal
a110c2f
20
Vigesimal
2cfb39b
36
Base36
2sjvvz
md5
4775f6a2e6affad77fbef56880b55ece
sha1
3a26332d62717ddc260acce0c77f5d2044c8fc88
sha256
aa6c438e585aee88d7db3fb9f36b5ad574eb6ec501cff59fb98d822602f8696f
sha512
413b14eba02b9f9b31e53f28234018817ac1c38d5ea15255ce0e7afeed38a186c8e8dc0aaac0bf94c4ada867883b5790f28f7ab79351280e48fb45185d5ad7e5
ripemd-160
df1b72a745db8a0772632e1ad466baac887adae3
Diameter
337778782
Circumference
1061163340.0697
Area
8.9609615127949E+16
Volume
2.0178817768938E+25
Surface area
3.584384605118E+17
Circumference
1061163340.0697
Perimeter
675557564
Area
28523626392350881
Diagonal
238845667.29313
Surface area
171141758354105286
Volume
4.8173378905157E+24
Space diagonal
292525006.07137
Perimeter
506668173
Area
1.2351092531916E+16
Altitude
146262503.03568
Surface area
1.2351092531916E+16
Volume
5.6772871494175E+23
Height
79615222.431044