168889745 is an odd 9-digits composite number following 168889744
and preceding 168889746 . In scientific notation, it is written as 1.68889745 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 135111792 positive integers (up to 168889745) that are relatively prime to 168889745.
168889745 has 4 divisors, whose sum is 202667700
The reverse of 168889745 is 547988861
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred sixty-eight million eight hundred eighty-nine thousand seven hundred forty-five
Scientific notation
1.68889745 × 10^8
Engineering notation
1.68889745 × 10^6
Prime Factorization
5 × 33777949
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168889745
Product of the distinct prime numbers
The prime factorization of 168889745 is 5 × 33777949.
Since it has a total of 2 prime factors.
10 , 3 , 92 , 100 , 628 , 78 , 6269 , 5103 , 56695 , 33157 , 948685 , 590029 , 3654936 , 7719377 , 22619284 , 59170640 , 547330143 , 391264314 , 5635484127 , 5684172635
n×2
337779490
n×3
506669235
n×4
675558980
n×5
844448725
n÷2
84444872.5
n÷3
56296581.666667
n÷3
42222436.25
n÷5
33777949
n2
28523745966165025
n3
4.8173681826704E+24
n4
8.1360408394232E+32
n5
1.3740938626798E+41
2 √n
12995.758731217
3 √n
552.75722344349
4 √n
113.99894179867
5 √n
44.210014362449
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168889744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168889745 can be divided by 4 positive divisors.
The sum of these divisors (counting 168889745) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100010000110110010001
3
Ternary
102202210111011202
4
Quaternary
22010100312101
5
Quinary
321213432440
6
Senary
24431520545
8
Octal
1204206621
10
Decimal
168889745
12
Duodecimal
48689155
16
Hexadecimal
a110d91
20
Vigesimal
2cfb475
36
Base36
2sjw5t
md5
431b6fd457d917c971b84e88f2be6655
sha1
85fc5b97f8ec0b282c7bf91d5fa2d253ebeec555
sha256
8cb0ac8b1112c4640b71c9eba15e38e0c63f81b4560b24340c45d5d7cd15a3b0
sha512
b5ef07f9e5dc5f27202cba73e42463813c197865782cd86d4d745e3e3b346f79279ac36c29e6890b09a6d50d1ad4e523a8287fe0d49d8a1f104d893d903bb346
ripemd-160
07dbc735dc3aad98a0ffa0833f8b06422bcb6d75
Diameter
337779490
Circumference
1061165564.3173
Area
8.9609990780166E+16
Volume
2.0178944656419E+25
Surface area
3.5843996312066E+17
Circumference
1061165564.3173
Perimeter
675558980
Area
28523745966165025
Diagonal
238846167.92473
Surface area
171142475796990150
Volume
4.8173681826704E+24
Space diagonal
292525619.21735
Perimeter
506669235
Area
1.2351144308896E+16
Altitude
146262809.60868
Surface area
1.2351144308896E+16
Volume
5.6773228490642E+23
Height
79615389.308245