72138834 is an even 8-digits composite number following 72138833
and preceding 72138835 . In scientific notation, it is written as 7.2138834 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 23216928 positive integers (up to 72138834) that are relatively prime to 72138834.
72138834 has 16 divisors, whose sum is 124378200
The reverse of 72138834 is 43883127
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million one hundred thirty-eight thousand eight hundred thirty-four
Scientific notation
7.2138834 × 10^7
Engineering notation
7.2138834 × 10^6
Prime Factorization
2 × 9 × 29 × 138197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72138834
Product of the distinct prime numbers
The prime factorization of 72138834 is 2 × 9 × 29 × 138197.
Since it has a total of 4 prime factors.
4 , 5 , 83 , 76 , 450 , 908 , 7549 , 151 , 32740 , 5920 , 7574 , 493877 , 4084355 , 6926131 , 77606977 , 31860167 , 960500007 , 928757273 , 4247140239 , 4353256490
n×2
144277668
n×3
216416502
n×4
288555336
n×5
360694170
n÷2
36069417
n÷3
24046278
n÷3
18034708.5
n÷5
14427766.8
n2
5204011370879556
n3
3.7541131241799E+23
n4
2.7081734348244E+31
n5
1.9536447385801E+39
2 √n
8493.4583062496
3 √n
416.28398770172
4 √n
92.159960428863
5 √n
37.293558376638
1 , 2 , 9 , 18 , 29 , 58 , 261 , 522 , 138197 , 276394 , 1243773 , 2487546 , 4007713 , 8015426 , 36069417 , 72138834
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72138833
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72138834 can be divided by 16 positive divisors.
The sum of these divisors (counting 72138834) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011001100000001010010
3
Ternary
12000202000212200
4
Quaternary
10103030001102
5
Quinary
121431420314
6
Senary
11054104030
8
Octal
423140122
10
Decimal
72138834
12
Duodecimal
201ab016
16
Hexadecimal
44cc052
20
Vigesimal
12ah71e
36
Base36
16y6oi
md5
8f761766ab39667843f58a2df33be360
sha1
280389d6f089767451d7ab39f56be74e6d78ed44
sha256
d286961c20582d85b4331d9cf6bbc4c191f4fbd91d1365820abd728860afc99c
sha512
9744b69ece383f7ff369328b3df84eba9599544e79d47e9e08df67a4ae4b327cce0ee7c2538031d6bc2f6568f9890f37919d34e1738b25f58e67e11cb1f31c2e
ripemd-160
f063eaa346b91722082833667f1ca1111118070f
Diameter
144277668
Circumference
453261661.86587
Area
1.6348883891953E+16
Volume
1.5725192282225E+24
Surface area
6.5395535567812E+16
Circumference
453261661.86587
Perimeter
288555336
Area
5204011370879556
Diagonal
102019717.41658
Surface area
31224068225277336
Volume
3.7541131241799E+23
Space diagonal
124948125.68678
Perimeter
216416502
Area
2.2534030243824E+15
Altitude
62474062.843389
Surface area
2.2534030243824E+15
Volume
4.4242647457484E+22
Height
34006572.472194