138181841 is an odd 9-digits composite number following 138181840
and preceding 138181842 . In scientific notation, it is written as 1.38181841 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 118441572 positive integers (up to 138181841) that are relatively prime to 138181841.
138181841 has 4 divisors, whose sum is 157922112
The reverse of 138181841 is 148181831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred thirty-eight million one hundred eighty-one thousand eight hundred forty-one
Scientific notation
1.38181841 × 10^8
Engineering notation
1.38181841 × 10^6
Prime Factorization
7 × 19740263
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138181841
Product of the distinct prime numbers
The prime factorization of 138181841 is 7 × 19740263.
Since it has a total of 2 prime factors.
4 , 3 , 98 , 54 , 31 , 915 , 409 , 9537 , 7472 , 61300 , 424821 , 202332 , 2941424 , 7452884 , 67691386 , 6960171 , 333278030 , 152928257 , 5448902832 , 7758761579
n×2
276363682
n×3
414545523
n×4
552727364
n×5
690909205
n÷2
69090920.5
n÷3
46060613.666667
n÷3
34545460.25
n÷5
27636368.2
n2
19094221182149281
n3
2.6384746354106E+24
n4
3.6458928255284E+32
n5
5.037961827202E+40
2 √n
11755.077243472
3 √n
516.99180399719
4 √n
108.42083399178
5 √n
42.470775870383
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
-138181840
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 138181841 can be divided by 4 positive divisors.
The sum of these divisors (counting 138181841) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111000111110011010001
3
Ternary
100122000100211222
4
Quaternary
20033013303101
5
Quinary
240333304331
6
Senary
21413414425
8
Octal
1017076321
10
Decimal
138181841
12
Duodecimal
3a33a415
16
Hexadecimal
83c7cd1
20
Vigesimal
233cec1
36
Base36
2a9psh
md5
a8083e9c6e588bc88f6f71bbaa6241ce
sha1
71d76dd6382d47b2a0f9aad95dd5d1e409816e70
sha256
a4d306b35020a3fa754eded850772bfb64a29419e4809165ace7a977ddad1b00
sha512
68a8014b0b4a89143141a23053c30118761181b914514ac1f56f75a0ec9ac05f8a62f92b5fe022e3fe95e71961a15689baa7a63fb8ece89b9207be4c9d049845
ripemd-160
c016afb5402265e1544a80e2383c5543f9187cd8
Diameter
276363682
Circumference
868222113.09023
Area
5.9986264991859E+16
Volume
1.1052016708385E+25
Surface area
2.3994505996744E+17
Circumference
868222113.09023
Perimeter
552727364
Area
19094221182149281
Diagonal
195418633.61588
Surface area
114565327092895686
Volume
2.6384746354106E+24
Space diagonal
239337969.2954
Perimeter
414545523
Area
8.2680403046101E+15
Altitude
119668984.6477
Surface area
8.2680403046101E+15
Volume
3.1094721778125E+23
Height
65139544.538628