138181844 is an even 9-digits composite number following 138181843
and preceding 138181845 . In scientific notation, it is written as 1.38181844 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 69090920 positive integers (up to 138181844) that are relatively prime to 138181844.
138181844 has 6 divisors, whose sum is 241818234
The reverse of 138181844 is 448181831
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 one hundred eighty-one thousand eight hundred forty-four
Scientific notation
1.38181844 × 10^8
Engineering notation
1.38181844 × 10^6
Prime Factorization
2 × 2 × 34545461
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
69090922
Product of the distinct prime numbers
The prime factorization of 138181844 is 2 × 2 × 34545461.
Since it has a total of 3 prime factors.
4 , 7 , 23 , 89 , 174 , 718 , 685 , 1739 , 79708 , 7869 , 462144 , 717570 , 3407831 , 6121485 , 81263574 , 50347784 , 35598012 , 543443594 , 6201631530 , 7305704395
n×2
276363688
n×3
414545532
n×4
552727376
n×5
690909220
n÷2
69090922
n÷3
46060614.666667
n÷3
34545461
n÷5
27636368.8
n2
19094222011240336
n3
2.6384748072586E+24
n4
3.6458931421453E+32
n5
5.037962374086E+40
2 √n
11755.077371077
3 √n
516.99180773857
4 √n
108.42083458024
5 √n
42.470776054796
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
-138181843
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 138181844 can be divided by 6 positive divisors.
The sum of these divisors (counting 138181844) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1000001111000111110011010100
3
Ternary
100122000100212002
4
Quaternary
20033013303110
5
Quinary
240333304334
6
Senary
21413414432
8
Octal
1017076324
10
Decimal
138181844
12
Duodecimal
3a33a418
16
Hexadecimal
83c7cd4
20
Vigesimal
233cec4
36
Base36
2a9psk
md5
239f48a5dfaddf161d579b2edcf4858c
sha1
01c5d38ab385fc35f7e6b1658a5fd8e2b614caab
sha256
a78b304a3c9dbe6a49a857341abf430efa5c38472f42a20ee1a5c5fa375e89e8
sha512
cb423cf07ec66facb4ba7bd0af5b0a05a02b3cba9635c201dadcd13fdc9f32b04509aa31e775ae0d989eed53dc89555c8ea73f034e7af60d645092e77605e036
ripemd-160
db1cad9a6c667901a5d67c48e39a6c59f57b4cd4
Diameter
276363688
Circumference
868222131.93978
Area
5.9986267596525E+16
Volume
1.105201742822E+25
Surface area
2.399450703861E+17
Circumference
868222131.93978
Perimeter
552727376
Area
19094222011240336
Diagonal
195418637.85852
Surface area
114565332067442016
Volume
2.6384748072586E+24
Space diagonal
239337974.49156
Perimeter
414545532
Area
8.2680406636171E+15
Altitude
119668987.24578
Surface area
8.2680406636171E+15
Volume
3.1094723803374E+23
Height
65139545.952841