138421838 is an even 9-digits composite number following 138421837
and preceding 138421839 . In scientific notation, it is written as 1.38421838 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 69210918 positive integers (up to 138421838) that are relatively prime to 138421838.
138421838 has 4 divisors, whose sum is 207632760
The reverse of 138421838 is 838124831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred thirty-eight million four hundred twenty-one thousand eight hundred thirty-eight
Scientific notation
1.38421838 × 10^8
Engineering notation
1.38421838 × 10^6
Prime Factorization
2 × 69210919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138421838
Product of the distinct prime numbers
The prime factorization of 138421838 is 2 × 69210919.
Since it has a total of 2 prime factors.
4 , 2 , 1 , 96 , 120 , 146 , 9663 , 7226 , 59467 , 9611 , 54229 , 698975 , 8525374 , 8548910 , 30401848 , 3840569 , 607095887 , 631023914 , 970197722 , 6330266833
n×2
276843676
n×3
415265514
n×4
553687352
n×5
692109190
n÷2
69210919
n÷3
46140612.666667
n÷3
34605459.5
n÷5
27684367.6
n2
19160605235298244
n3
2.6522461938624E+24
n4
3.6712879298294E+32
n5
5.081864230742E+40
2 √n
11765.281042117
3 √n
517.29093813685
4 √n
108.46788023243
5 √n
42.485518451359
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
-138421837
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 138421838 can be divided by 4 positive divisors.
The sum of these divisors (counting 138421838) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010000000010011001001110
3
Ternary
100122110120001202
4
Quaternary
20100002121032
5
Quinary
240413444323
6
Senary
21422505502
8
Octal
1020023116
10
Decimal
138421838
12
Duodecimal
3a435292
16
Hexadecimal
840264e
20
Vigesimal
2352ebi
36
Base36
2aeuz2
md5
2ad2876b4dbd085db44769075a37e171
sha1
eb2547f3bcb7d0d051e07dac6ae91c71385a8e31
sha256
489feb00e3b322542c9f6e018d1f1998c62d016adadceb55115b0d02a2c947a4
sha512
613c81429b5b492c3a006ca85d29ff5b55fd4d6cc0d23e0dde56695f024898ab10e760d40313600390b285add69560d5163e3c3f6d4791095324da07bc6694bf
ripemd-160
da8bd308ed6b7f2b0e858fe8c5cb35aae7df6221
Diameter
276843676
Circumference
869730058.71439
Area
6.0194816645547E+16
Volume
1.1109702877533E+25
Surface area
2.4077926658219E+17
Circumference
869730058.71439
Perimeter
553687352
Area
19160605235298244
Diagonal
195758040.62821
Surface area
114963631411789464
Volume
2.6522461938624E+24
Space diagonal
239753656.29307
Perimeter
415265514
Area
8.2967854428267E+15
Altitude
119876828.14653
Surface area
8.2967854428267E+15
Volume
3.1257021150939E+23
Height
65252680.209404