168889390 is an even 9-digits composite number following 168889389
and preceding 168889391 . In scientific notation, it is written as 1.68889390 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 63581824 positive integers (up to 168889390) that are relatively prime to 168889390.
168889390 has 16 divisors, whose sum is 321883632
The reverse of 168889390 is 093988861
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred sixty-eight million eight hundred eighty-nine thousand three hundred ninety
Scientific notation
1.68889390 × 10^8
Engineering notation
1.68889390 × 10^6
Prime Factorization
2 × 5 × 17 × 993467
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168889390
Product of the distinct prime numbers
The prime factorization of 168889390 is 2 × 5 × 17 × 993467.
Since it has a total of 4 prime factors.
7 , 2 , 86 , 5 , 952 , 808 , 3778 , 3768 , 64336 , 75134 , 817916 , 207680 , 4891848 , 4363306 , 16274541 , 53428070 , 394506244 , 742077834 , 5841792110 , 8912233344
n×2
337778780
n×3
506668170
n×4
675557560
n×5
844446950
n÷2
84444695
n÷3
56296463.333333
n÷3
42222347.5
n÷5
33777878
n2
28523626054572100
n3
4.8173378049448E+24
n4
8.1359724330106E+32
n5
1.374079421268E+41
2 √n
12995.745072908
3 √n
552.75683615147
4 √n
113.99888189323
5 √n
44.209995776871
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 993467 , 1986934 , 4967335 , 9934670 , 16888939 , 33777878 , 84444695 , 168889390
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
-168889389
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 168889390 can be divided by 16 positive divisors.
The sum of these divisors (counting 168889390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100010000110000101110
3
Ternary
102202210110200121
4
Quaternary
22010100300232
5
Quinary
321213430030
6
Senary
24431515154
8
Octal
1204206056
10
Decimal
168889390
12
Duodecimal
48688aba
16
Hexadecimal
a110c2e
20
Vigesimal
2cfb39a
36
Base36
2sjvvy
md5
8ed4ba36c8c0f234e1a1016ff4eaa09c
sha1
8ccdd2e0a0df142e9fc85021a1d41cefeb9bc7da
sha256
47788a039bf19e70baaf79661fbafbc52196649a3b17f13949cf53d63e855af9
sha512
688a22fe1b35c7eaa4e0cf2bc8aa2d2214c09359368dddaba00a188df817874efeec0e6476fc99fdf17d58639bc5cc118a31b418b17b408c0dca3573485a3cc7
ripemd-160
1dde54be4cf7a590064482c94ea3f159ce4640a3
Diameter
337778780
Circumference
1061163333.7865
Area
8.9609614066786E+16
Volume
2.01788174105E+25
Surface area
3.5843845626714E+17
Circumference
1061163333.7865
Perimeter
675557560
Area
28523626054572100
Diagonal
238845665.87892
Surface area
171141756327432600
Volume
4.8173378049448E+24
Space diagonal
292525004.33932
Perimeter
506668170
Area
1.2351092385654E+16
Altitude
146262502.16966
Surface area
1.2351092385654E+16
Volume
5.6772870485713E+23
Height
79615221.95964