138181842 is an even 9-digits composite number following 138181841
and preceding 138181843 . In scientific notation, it is written as 1.38181842 × 10^8.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 45695664 positive integers (up to 138181842) that are relatively prime to 138181842.
138181842 has 32 divisors, whose sum is 309504000
The reverse of 138181842 is 248181831
Previous prime number is 127
Is Prime? no Number parity even Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred thirty-eight million one hundred eighty-one thousand eight hundred forty-two
Scientific notation
1.38181842 × 10^8
Engineering notation
1.38181842 × 10^6
Prime Factorization
2 × 3 × 3 × 3 × 127 × 20149
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
15353538 Product of the distinct prime numbers
The prime factorization of 138181842 is 2 × 3 × 3 × 3 × 127 × 20149.
Since it has a total of 6 prime factors.
9 , 10 , 78 , 78 , 613 , 77 , 6790 , 6848 , 44195 , 48065 , 482644 , 148071 , 1892003 , 9304741 , 319576 , 79705945 , 463127614 , 580875446 , 3032542839 , 4151093771
n×2
276363684
n×3
414545526
n×4
552727368
n×5
690909210
n÷2
69090921
n÷3
46060614
n÷3
34545460.5
n÷5
27636368.4
n2
19094221458512964
n3
2.6384746926932E+24
n4
3.6458929310674E+32
n5
5.0379620094967E+40
2 √n11755.077286007
3 √n516.99180524432
4 √n108.42083418793
5 √n42.470775931854
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 127 , 254 , 381 , 762 , 1143 , 2286 , 3429 , 6858 , 20149 , 40298 , 60447 , 120894 , 181341 , 362682 , 544023 , 1088046 , 2558923 , 5117846 , 7676769 , 15353538 , 23030307 , 46060614 , 69090921 , 138181842
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-138181841 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138181842 can be divided by 32 positive divisors.
The sum of these divisors (counting 138181842) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000001111000111110011010010
3
Ternary
100122000100212000
4
Quaternary
20033013303102
5
Quinary
240333304332
6
Senary
21413414430
8
Octal
1017076322
10
Decimal
138181842
12
Duodecimal
3a33a416
16
Hexadecimal
83c7cd2
20
Vigesimal
233cec2
36
Base36
2a9psi
md5
dba8b7b41f7241f93fcfeffd812a93b5
sha1
472422e9c72199318b3d55bd24604952e16570a6
sha256
c42751715d808f7427f00039eb597883ad9b31ac6944f31eea67a59b4a6e76d4
sha512
4b01f02e818db8de1b9d36e7d3284ac9e65e37d4b1fcc33dd6142fe6ed8cea77b204e0a47eb91336574d4d5b5e919b15497010efaebfa37d5e8d1464b30e950e
ripemd-160
81d5fdcc084fef405028a83e4abc8b31632bdd6e
Diameter
276363684
Circumference
868222119.37341
Area
5.9986265860081E+16
Volume
1.105201694833E+25
Surface area
2.3994506344032E+17
Circumference
868222119.37341
Perimeter
552727368
Area
19094221458512964
Diagonal
195418635.0301
Surface area
114565328751077784
Volume
2.6384746926932E+24
Space diagonal
239337971.02746
Perimeter
414545526
Area
8.2680404242791E+15
Altitude
119668985.51373
Surface area
8.2680404242791E+15
Volume
3.1094722453208E+23
Height
65139545.010032