168256988 is an even 9-digits composite number following 168256987
and preceding 168256989 . In scientific notation, it is written as 1.68256988 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 6 positive divisors.
There are 84128492 positive integers (up to 168256988) that are relatively prime to 168256988.
168256988 has 6 divisors, whose sum is 294449736
The reverse of 168256988 is 889652861
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred sixty-eight million two hundred fifty-six thousand nine hundred eighty-eight
Scientific notation
1.68256988 × 10^8
Engineering notation
1.68256988 × 10^6
Prime Factorization
2 × 2 × 42064247
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
84128494
Product of the distinct prime numbers
The prime factorization of 168256988 is 2 × 2 × 42064247.
Since it has a total of 3 prime factors.
2 , 7 , 22 , 45 , 787 , 688 , 1906 , 8143 , 64319 , 2394 , 978737 , 244444 , 1716077 , 5220365 , 80010993 , 22090857 , 738303213 , 570270152 , 9540477784 , 1130710199
n×2
336513976
n×3
504770964
n×4
673027952
n×5
841284940
n÷2
84128494
n÷3
56085662.666667
n÷3
42064247
n÷5
33651397.6
n2
28310414010832144
n3
4.7634249904956E+24
n4
8.0147954146472E+32
n5
1.3485453359048E+41
2 √n
12971.391135881
3 √n
552.06604527265
4 √n
113.89201524198
5 √n
44.176837435759
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168256987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168256988 can be divided by 6 positive divisors.
The sum of these divisors (counting 168256988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000001110110010111011100
3
Ternary
102201121100012022
4
Quaternary
22001312113130
5
Quinary
321033210423
6
Senary
24410155312
8
Octal
1201662734
10
Decimal
168256988
12
Duodecimal
48422b38
16
Hexadecimal
a0765dc
20
Vigesimal
2cbc298
36
Base36
2s6bx8
md5
89e931cd9ebb14a976f1a0a2be85e1ed
sha1
2febe4f184af0c6bfe77f9e4e45f61dbec2fa341
sha256
0f313cf44355346d24f82bb8243e6be41f68a83d87b54656bb87ac1454d638fd
sha512
bbf8c1b72b911f75dc21882b675c5d02d684269626299041bfa8f4cfc1fd61ac70de20fc3479a4fb76f46d23c28b19eb8e9618bcefb96ccb7a35ac3c5c57bc10
ripemd-160
f3c9618fbca27b9abe8eec7b0ff1bf618ee613a0
Diameter
336513976
Circumference
1057189834.8319
Area
8.8939788676516E+16
Volume
1.9952987941423E+25
Surface area
3.5575915470606E+17
Circumference
1057189834.8319
Perimeter
673027952
Area
28310414010832144
Diagonal
237951314.39365
Surface area
169862484064992864
Volume
4.7634249904956E+24
Space diagonal
291429651.94451
Perimeter
504770964
Area
1.2258768862518E+16
Altitude
145714825.97225
Surface area
1.2258768862518E+16
Volume
5.6137501874215E+23
Height
79317104.797882