168029905 is an odd 9-digits composite number following 168029904
and preceding 168029906 . In scientific notation, it is written as 1.68029905 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 134423920 positive integers (up to 168029905) that are relatively prime to 168029905.
168029905 has 4 divisors, whose sum is 201635892
The reverse of 168029905 is 509920861
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred sixty-eight million twenty-nine thousand nine hundred five
Scientific notation
1.68029905 × 10^8
Engineering notation
1.68029905 × 10^6
Prime Factorization
5 × 33605981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168029905
Product of the distinct prime numbers
The prime factorization of 168029905 is 5 × 33605981.
Since it has a total of 2 prime factors.
1 , 9 , 5 , 89 , 306 , 613 , 3563 , 8875 , 67343 , 59955 , 278485 , 489935 , 9605578 , 7918187 , 60641449 , 98916758 , 87310156 , 723888556 , 3965997163 , 9630485735
n×2
336059810
n×3
504089715
n×4
672119620
n×5
840149525
n÷2
84014952.5
n÷3
56009968.333333
n÷3
42007476.25
n÷5
33605981
n2
28234048974309025
n3
4.7441645669185E+24
n4
7.9716152148368E+32
n5
1.3394697472456E+41
2 √n
12962.634955903
3 √n
551.81757366213
4 √n
113.85356804204
5 √n
44.164906604314
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
-168029904
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 168029905 can be divided by 4 positive divisors.
The sum of these divisors (counting 168029905) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000111110111011010001
3
Ternary
102201011210200211
4
Quaternary
22000332323101
5
Quinary
321003424110
6
Senary
24401244121
8
Octal
1200767321
10
Decimal
168029905
12
Duodecimal
48333641
16
Hexadecimal
a03eed1
20
Vigesimal
2ca3ef5
36
Base36
2s1gpd
md5
b4f1f038162c75c7ce53038354c29717
sha1
b64ec97ee87fe4558249ff1afa66ffaa8f94516c
sha256
c3c92a77392a7d2ec7f270647d7cebe83c99035720f254230d2e586e4a2c2d1f
sha512
500a101a5d3c6a804cd7d9e8e8d93a3f65a6c55588f28d332e92d87ad5337d6b6b3a8143a2d7b0ec267ad02b5ee881f8e5ef170e6a741275dedaecf127a8606b
ripemd-160
00c75386e06dffb6e6a284bc27cafd45a611d3de
Diameter
336059810
Circumference
1055763030.2628
Area
8.8699880838784E+16
Volume
1.9872310067803E+25
Surface area
3.5479952335513E+17
Circumference
1055763030.2628
Perimeter
672119620
Area
28234048974309025
Diagonal
237630170.53526
Surface area
169404293845854150
Volume
4.7441645669185E+24
Space diagonal
291036332.65097
Perimeter
504089715
Area
1.2225701831723E+16
Altitude
145518166.32549
Surface area
1.2225701831723E+16
Volume
5.591051560555E+23
Height
79210056.845088