168442887 is an odd 9-digits composite number following 168442886
and preceding 168442888 . In scientific notation, it is written as 1.68442887 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 111933560 positive integers (up to 168442887) that are relatively prime to 168442887.
168442887 has 8 divisors, whose sum is 225313920
The reverse of 168442887 is 788244861
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred sixty-eight million four hundred forty-two thousand eight hundred eighty-seven
Scientific notation
1.68442887 × 10^8
Engineering notation
1.68442887 × 10^6
Prime Factorization
3 × 311 × 180539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168442887
Product of the distinct prime numbers
The prime factorization of 168442887 is 3 × 311 × 180539.
Since it has a total of 3 prime factors.
4 , 4 , 65 , 76 , 551 , 888 , 7516 , 7180 , 75283 , 74738 , 400378 , 313710 , 7957511 , 9981931 , 25564098 , 62722324 , 34365218 , 842671907 , 6955682343 , 9067089377
n×2
336885774
n×3
505328661
n×4
673771548
n×5
842214435
n÷2
84221443.5
n÷3
56147629
n÷3
42110721.75
n÷5
33688577.4
n2
28373006180894769
n3
4.7792310739788E+24
n4
8.0502747974109E+32
n5
1.3560115280192E+41
2 √n
12978.554888739
3 √n
552.26928745539
4 √n
113.92346065995
5 √n
44.186594894273
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
-168442886
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 168442887 can be divided by 8 positive divisors.
The sum of these divisors (counting 168442887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010100011110000000111
3
Ternary
102201221210012110
4
Quaternary
22002203300013
5
Quinary
321110133022
6
Senary
24414152103
8
Octal
1202436007
10
Decimal
168442887
12
Duodecimal
484b2633
16
Hexadecimal
a0a3c07
20
Vigesimal
2ccf747
36
Base36
2sabd3
md5
105c0bbaa4bd9f3d5b0c9a264415b3e9
sha1
e4ce5f7f9a152bdea855685332984ef9ef992bc4
sha256
b4f2f666742d3062c7d91a1e2373bd2b6936ab69c828ea11876f06e43f531bae
sha512
f8bdc9365f61cdcb7b1bec6728d2afeabc9342a5b3ac65d2414963fae4453f9bbdad3be303cec527f53d5470a4fdb48c63c9e7338e596a3afe62622cec96cf0f
ripemd-160
ea28226692047f19c1c1348e492f9eb795fd908b
Diameter
336885774
Circumference
1058357872.6973
Area
8.9136427778157E+16
Volume
2.0019196309093E+25
Surface area
3.5654571111263E+17
Circumference
1058357872.6973
Perimeter
673771548
Area
28373006180894769
Diagonal
238214215.28068
Surface area
170238037085368614
Volume
4.7792310739788E+24
Space diagonal
291751638.45758
Perimeter
505328661
Area
1.2285872067194E+16
Altitude
145875819.22879
Surface area
1.2285872067194E+16
Volume
5.6323778354464E+23
Height
79404738.426893