168072145 is an odd 9-digits composite number following 168072144
and preceding 168072146 . In scientific notation, it is written as 1.68072145 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 134457712 positive integers (up to 168072145) that are relatively prime to 168072145.
168072145 has 4 divisors, whose sum is 201686580
The reverse of 168072145 is 541270861
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred sixty-eight million seventy-two thousand one hundred forty-five
Scientific notation
1.68072145 × 10^8
Engineering notation
1.68072145 × 10^6
Prime Factorization
5 × 33614429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168072145
Product of the distinct prime numbers
The prime factorization of 168072145 is 5 × 33614429.
Since it has a total of 2 prime factors.
10 , 7 , 33 , 48 , 112 , 960 , 565 , 4027 , 25698 , 41538 , 998854 , 422674 , 2532817 , 5216670 , 64471002 , 53273239 , 931463271 , 440518757 , 8771276040 , 3267959570
n×2
336144290
n×3
504216435
n×4
672288580
n×5
840360725
n÷2
84036072.5
n÷3
56024048.333333
n÷3
42018036.25
n÷5
33614429
n2
28248245924901025
n3
4.7477432850856E+24
n4
7.9796339783369E+32
n5
1.341154199054E+41
2 √n
12964.264151891
3 √n
551.86380912526
4 √n
113.86072260394
5 √n
44.16712684969
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
-168072144
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 168072145 can be divided by 4 positive divisors.
The sum of these divisors (counting 168072145) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001001001001111010001
3
Ternary
102201020221122021
4
Quaternary
22001021033101
5
Quinary
321011302040
6
Senary
24402211441
8
Octal
1201111721
10
Decimal
168072145
12
Duodecimal
48353b81
16
Hexadecimal
a0493d1
20
Vigesimal
2ca9075
36
Base36
2s2dap
md5
ac5fa517ffd5b2f1295787beda1715f7
sha1
69a7cc11f5d132c18fcabf250eb5718f12a93980
sha256
626335fd38afc3c7dc3fbf4b0215a2cba2de74734530f4d2d880097c2a89e835
sha512
5f8384723216ed4794ff4c3f672eb4c87ca3d91d3354585963c63751e9caccb29fbe37c8bef222df2f980f1d025ef9f4f81c1855776f5ca8ce65b4a209bb6580
ripemd-160
00e20f076909ac3492f6c4981725e499515cca34
Diameter
336144290
Circumference
1056028432.0102
Area
8.8744481874467E+16
Volume
1.9887300567407E+25
Surface area
3.5497792749787E+17
Circumference
1056028432.0102
Perimeter
672288580
Area
28248245924901025
Diagonal
237689906.91614
Surface area
169489475549406150
Volume
4.7477432850856E+24
Space diagonal
291109494.47708
Perimeter
504216435
Area
1.2231849291657E+16
Altitude
145554747.23854
Surface area
1.2231849291657E+16
Volume
5.5952691203616E+23
Height
79229968.972046