168440145 is an odd 9-digits composite number following 168440144
and preceding 168440146 . In scientific notation, it is written as 1.68440145 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 89781120 positive integers (up to 168440145) that are relatively prime to 168440145.
168440145 has 16 divisors, whose sum is 269665152
The reverse of 168440145 is 541044861
Previous prime number is 3271
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred sixty-eight million four hundred forty thousand one hundred forty-five
Scientific notation
1.68440145 × 10^8
Engineering notation
1.68440145 × 10^6
Prime Factorization
5 × 3 × 3271 × 3433
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168440145
Product of the distinct prime numbers
The prime factorization of 168440145 is 5 × 3 × 3271 × 3433.
Since it has a total of 4 prime factors.
2 , 3 , 79 , 7 , 529 , 205 , 1403 , 6594 , 86242 , 5527 , 540284 , 438359 , 1181098 , 7051595 , 25760555 , 58396487 , 808045857 , 899165199 , 5866820495 , 914208881
n×2
336880290
n×3
505320435
n×4
673760580
n×5
842200725
n÷2
84220072.5
n÷3
56146715
n÷3
42110036.25
n÷5
33688029
n2
28372082447621025
n3
4.7789976814292E+24
n4
8.049750624146E+32
n5
1.355901162345E+41
2 √n
12978.449252511
3 √n
552.26629073123
4 √n
113.92299703094
5 √n
44.18645103491
1 , 3 , 5 , 15 , 3271 , 3433 , 9813 , 10299 , 16355 , 17165 , 49065 , 51495 , 11229343 , 33688029 , 56146715 , 168440145
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168440144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168440145 can be divided by 16 positive divisors.
The sum of these divisors (counting 168440145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010100011000101010001
3
Ternary
102201221122102220
4
Quaternary
22002203011101
5
Quinary
321110041040
6
Senary
24414131253
8
Octal
1202430521
10
Decimal
168440145
12
Duodecimal
484b0b29
16
Hexadecimal
a0a3151
20
Vigesimal
2ccf075
36
Base36
2sa98x
md5
bb15ca1d996677e0795432754d86ab2d
sha1
283aebfe697c39a8d354433a87833ad2aee5ec61
sha256
a20ceabc5aa86b8658d6a452f7acd502668550d15bc4a21cc0b4863367388f40
sha512
1b70f5f4e2bb636be57a5cd20d8ba7f79a5be6c68854baecf78152dbf06b861dd8dce12f632cacd39aeb26470745e8d06fd3e915d175cbff7ffb7f8636e4d744
ripemd-160
d1530cb0c29f0b33e65d0b895a0b4e3d483522b7
Diameter
336880290
Circumference
1058340644.2032
Area
8.913352578449E+16
Volume
2.0018218676668E+25
Surface area
3.5653410313796E+17
Circumference
1058340644.2032
Perimeter
673760580
Area
28372082447621025
Diagonal
238210337.50709
Surface area
170232494685726150
Volume
4.7789976814292E+24
Space diagonal
291746889.17427
Perimeter
505320435
Area
1.2285472078953E+16
Altitude
145873444.58713
Surface area
1.2285472078953E+16
Volume
5.632102779689E+23
Height
79403445.835697