168889381 is an odd 9-digits prime number following 168889380
and preceding 168889382 . In scientific notation, it is written as 1.68889381 × 10^8.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 168889380 positive integers (up to 168889381) that are relatively prime to 168889381.
168889381 has 2 divisors, whose sum is 168889382
The reverse of 168889381 is 183988861
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred sixty-eight million eight hundred eighty-nine thousand three hundred eighty-one
Scientific notation
1.68889381 × 10^8
Engineering notation
1.68889381 × 10^6
Prime Factorization
168889381
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
168889381
Product of the distinct prime numbers
The prime factorization of 168889381 is 168889381.
Since it has a total of 1 prime factors.
2 , 4 , 43 , 42 , 348 , 317 , 1731 , 9481 , 8566 , 3549 , 835097 , 234816 , 8439595 , 5640870 , 28500480 , 97192550 , 410852141 , 940873141 , 1256460978 , 4291154979
n×2
337778762
n×3
506668143
n×4
675557524
n×5
844446905
n÷2
84444690.5
n÷3
56296460.333333
n÷3
42222345.25
n÷5
33777876.2
n2
28523623014563161
n3
4.8173370348069E+24
n4
8.1359706987692E+32
n5
1.3740790551493E+41
2 √n
12995.74472664
3 √n
552.75682633279
4 √n
113.9988803745
5 √n
44.209995305687
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
168889382
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
84444691
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12995.744765114
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999881579
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168889381 can be divided by 2 positive divisors.
The sum of these divisors (counting 168889381) is 168889382, the average is 84444691.
Base
System
Value
2
Binary
1010000100010000110000100101
3
Ternary
102202210110200021
4
Quaternary
22010100300211
5
Quinary
321213430011
6
Senary
24431515141
8
Octal
1204206045
10
Decimal
168889381
12
Duodecimal
48688ab1
16
Hexadecimal
a110c25
20
Vigesimal
2cfb391
36
Base36
2sjvvp
md5
79696ed16e2e7c59b16e6ccc4ea48c67
sha1
763712159042b71c96751535b018c889229594c2
sha256
3095b969821b6d3e377a928323f3720f2729a72df4385193b89dbc361a7eb372
sha512
6be4b22244cb113c69dfa2c32fe6b0727a5614dc85db57a1ea0474ec910788a47e35ce0a4a8238e4130d09ef0392692e0615a78ea30e4f2de5af3607772256ed
ripemd-160
c6f7ef58a359cbed40dfe1cf983b341322689936
Diameter
337778762
Circumference
1061163277.2379
Area
8.9609604516316E+16
Volume
2.0178814184554E+25
Surface area
3.5843841806527E+17
Circumference
1061163277.2379
Perimeter
675557524
Area
28523623014563161
Diagonal
238845653.151
Surface area
171141738087378966
Volume
4.8173370348069E+24
Space diagonal
292524988.75086
Perimeter
506668143
Area
1.2351091069291E+16
Altitude
146262494.37543
Surface area
1.2351091069291E+16
Volume
5.6772861409551E+23
Height
79615217.716999