138128423 is an odd 9-digits composite number following 138128422
and preceding 138128424 . In scientific notation, it is written as 1.38128423 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 130749120 positive integers (up to 138128423) that are relatively prime to 138128423.
138128423 has 8 divisors, whose sum is 145519920
The reverse of 138128423 is 324821831
Previous prime number is 1637
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred thirty-eight million one hundred twenty-eight thousand four hundred twenty-three
Scientific notation
1.38128423 × 10^8
Engineering notation
1.38128423 × 10^6
Prime Factorization
19 × 1637 × 4441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138128423
Product of the distinct prime numbers
The prime factorization of 138128423 is 19 × 1637 × 4441.
Since it has a total of 3 prime factors.
9 , 10 , 81 , 91 , 598 , 543 , 4108 , 3360 , 54802 , 77445 , 843066 , 317418 , 3438576 , 8866498 , 65097750 , 39110255 , 730466741 , 319584449 , 8310327978 , 1918984111
n×2
276256846
n×3
414385269
n×4
552513692
n×5
690642115
n÷2
69064211.5
n÷3
46042807.666667
n÷3
34532105.75
n÷5
27625684.6
n2
19079461240466929
n3
2.6354158928353E+24
n4
3.6402584122648E+32
n5
5.0282315379862E+40
2 √n
11752.804899257
3 √n
516.92517626614
4 √n
108.41035420686
5 √n
42.467491712664
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138128422
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138128423 can be divided by 8 positive divisors.
The sum of these divisors (counting 138128423) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110111010110000100111
3
Ternary
100121220122120112
4
Quaternary
20032322300213
5
Quinary
240330102143
6
Senary
21412323235
8
Octal
1016726047
10
Decimal
138128423
12
Duodecimal
3a31351b
16
Hexadecimal
83bac27
20
Vigesimal
2336113
36
Base36
2a8kkn
md5
87e6add7008cf1523bef4b5914b61498
sha1
0f31ee5d269d84b8d78d728bc49448915c87df43
sha256
b051703489d1f31625f3855b82119d9575b33027ad532157caafea7c95f06c0d
sha512
82bded1703505a7beb4c3cd0afed00a69d67ce9f244464e2a1362e6face41482e2dc2a1ea25acbfcef2872bdd1ffcffc7c9acd69638092190a74e1cc817741ed
ripemd-160
3e9c47092362d14171adbc4a75c6d9f2822cf5e4
Diameter
276256846
Circumference
867886477.89749
Area
5.9939895267502E+16
Volume
1.1039204277447E+25
Surface area
2.3975958107001E+17
Circumference
867886477.89749
Perimeter
552513692
Area
19079461240466929
Diagonal
195343089.15581
Surface area
114476767442801574
Volume
2.6354158928353E+24
Space diagonal
239245446.60537
Perimeter
414385269
Area
8.2616490623825E+15
Altitude
119622723.30268
Surface area
8.2616490623825E+15
Volume
3.1058674151178E+23
Height
65114363.051936