169388639 is an odd 9-digits composite number following 169388638
and preceding 169388640 . In scientific notation, it is written as 1.69388639 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 6 positive divisors.
There are 145190220 positive integers (up to 169388639) that are relatively prime to 169388639.
169388639 has 6 divisors, whose sum is 197043984
The reverse of 169388639 is 936883961
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred sixty-nine million three hundred eighty-eight thousand six hundred thirty-nine
Scientific notation
1.69388639 × 10^8
Engineering notation
1.69388639 × 10^6
Prime Factorization
7 × 7 × 3456911
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
24198377
Product of the distinct prime numbers
The prime factorization of 169388639 is 7 × 7 × 3456911.
Since it has a total of 3 prime factors.
1 , 3 , 38 , 18 , 597 , 433 , 9783 , 2033 , 13026 , 28639 , 380512 , 228947 , 2553158 , 9640349 , 28265050 , 91161998 , 868652481 , 711244519 , 6533569885 , 4468135338
n×2
338777278
n×3
508165917
n×4
677554556
n×5
846943195
n÷2
84694319.5
n÷3
56462879.666667
n÷3
42347159.75
n÷5
33877727.8
n2
28692511022272321
n3
4.8601853915552E+24
n4
8.2326018876322E+32
n5
1.3945092291748E+41
2 √n
13014.939070161
3 √n
553.30096313113
4 √n
114.08303585617
5 √n
44.236102501583
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
-169388638
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 169388639 can be divided by 6 positive divisors.
The sum of these divisors (counting 169388639) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000110001010101001011111
3
Ternary
102210201211112022
4
Quaternary
22012022221133
5
Quinary
321330414024
6
Senary
24450330355
8
Octal
1206125137
10
Decimal
169388639
12
Duodecimal
488899bb
16
Hexadecimal
a18aa5f
20
Vigesimal
2cidbbj
36
Base36
2sul3z
md5
9ec9dddb299c8b59c5033c4d1201a028
sha1
e7e1e3423fea7277adbe3ade72ab18b9dc3a6ae8
sha256
0ad826791ea21a4a9d512589f88f56210bd1413d59e6ea764072e34dc588e969
sha512
ba3cc5de44f33fb1e547369020f24898d943caf0e3de0a7b163ede8f377bf03db0860ed518a767a00d6da2fd631074da132cd42210aee10228fdd6b69610e9e5
ripemd-160
17e30dd4cc92d12c70566ed9e1b37298c5753a59
Diameter
338777278
Circumference
1064300207.7679
Area
9.0140181840615E+16
Volume
2.0358296961592E+25
Surface area
3.6056072736246E+17
Circumference
1064300207.7679
Perimeter
677554556
Area
28692511022272321
Diagonal
239551710.58572
Surface area
172155066133633926
Volume
4.8601853915552E+24
Space diagonal
293389728.97294
Perimeter
508165917
Area
1.2424221721826E+16
Altitude
146694864.48647
Surface area
1.2424221721826E+16
Volume
5.7277834136541E+23
Height
79850570.19524