162138905 is an odd 9-digits composite number following 162138904
and preceding 162138906 . In scientific notation, it is written as 1.62138905 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 129711120 positive integers (up to 162138905) that are relatively prime to 162138905.
162138905 has 4 divisors, whose sum is 194566692
The reverse of 162138905 is 509831261
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred sixty-two million one hundred thirty-eight thousand nine hundred five
Scientific notation
1.62138905 × 10^8
Engineering notation
1.62138905 × 10^6
Prime Factorization
5 × 32427781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
162138905
Product of the distinct prime numbers
The prime factorization of 162138905 is 5 × 32427781.
Since it has a total of 2 prime factors.
9 , 6 , 19 , 13 , 240 , 363 , 9542 , 6297 , 29006 , 23842 , 3030 , 680558 , 5082422 , 1947737 , 97398948 , 1239812 , 337111626 , 882903446 , 3428847571 , 9665366352
n×2
324277810
n×3
486416715
n×4
648555620
n×5
810694525
n÷2
81069452.5
n÷3
54046301.666667
n÷3
40534726.25
n÷5
32427781
n2
26289024514599025
n3
4.2624736483152E+24
n4
6.9111280992919E+32
n5
1.1205627423339E+41
2 √n
12733.377595909
3 √n
545.29194021329
4 √n
112.84226865811
5 √n
43.850792551949
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-162138904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 162138905 can be divided by 4 positive divisors.
The sum of these divisors (counting 162138905) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101010100000101100011001
3
Ternary
102022002111202122
4
Quaternary
21222200230121
5
Quinary
313001421110
6
Senary
24031111025
8
Octal
1152405431
10
Decimal
162138905
12
Duodecimal
46372475
16
Hexadecimal
9aa0b19
20
Vigesimal
2ad7755
36
Base36
2oj76h
md5
bd21498f9f2de9629912738d182f89e9
sha1
fd715c913f4ffe04d265299d5ace27970d2a5fcd
sha256
216950a4dae895166f96edcc85aad2d9b977b4e5f5096b9ba778e95b97df8b26
sha512
f1077bacb2f5811e8ad7969050ce80172623855847993f66c9ac3b25db9daf4e9b416039ab7a6c1c436c91755c26e8de0b40be418b5895d2af79bae3ccd0f06c
ripemd-160
649d86e9267a556acd4fa339685abb3fc25aed68
Diameter
324277810
Circumference
1018748785.6182
Area
8.2589406285106E+16
Volume
1.7854607866223E+25
Surface area
3.3035762514043E+17
Circumference
1018748785.6182
Perimeter
648555620
Area
26289024514599025
Diagonal
229299038.43932
Surface area
157734147087594150
Volume
4.2624736483152E+24
Space diagonal
280832821.34358
Perimeter
486416715
Area
1.1383481535177E+16
Altitude
140416410.67179
Surface area
1.1383481535177E+16
Volume
5.0233733689211E+23
Height
76433012.813108