72505838 is an even 8-digits composite number following 72505837
and preceding 72505839 . In scientific notation, it is written as 7.2505838 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 35083440 positive integers (up to 72505838) that are relatively prime to 72505838.
72505838 has 8 divisors, whose sum is 112267200
The reverse of 72505838 is 83850527
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million five hundred five thousand eight hundred thirty-eight
Scientific notation
7.2505838 × 10^7
Engineering notation
7.2505838 × 10^6
Prime Factorization
2 × 31 × 1169449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72505838
Product of the distinct prime numbers
The prime factorization of 72505838 is 2 × 31 × 1169449.
Since it has a total of 3 prime factors.
3 , 2 , 100 , 83 , 270 , 93 , 8592 , 2640 , 33619 , 81331 , 461094 , 952513 , 8028925 , 5752630 , 99967942 , 38035600 , 538873335 , 439268805 , 9321818035 , 5088977530
n×2
145011676
n×3
217517514
n×4
290023352
n×5
362529190
n÷2
36252919
n÷3
24168612.666667
n÷3
18126459.5
n÷5
14501167.6
n2
5257096544082244
n3
3.8117019037559E+23
n4
2.7637064073801E+31
n5
2.0038484905307E+39
2 √n
8515.0359952263
3 √n
416.9887377222
4 √n
92.276952676312
5 √n
37.331427347964
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72505837
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72505838 can be divided by 8 positive divisors.
The sum of these divisors (counting 72505838) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010100100101100111101110
3
Ternary
12001102200022102
4
Quaternary
10110211213232
5
Quinary
122030141323
6
Senary
11110015102
8
Octal
424454756
10
Decimal
72505838
12
Duodecimal
20347492
16
Hexadecimal
45259ee
20
Vigesimal
12d34bi
36
Base36
1761v2
md5
f59cc4d151ec7ca66499b0f40bfa8ef4
sha1
68281c639d9218864dd3b526215c1403d6498a54
sha256
f0a5f6be87c4d7a92f7dae94f75495811d2be185f65f47fd3be91ec0a74fc7d4
sha512
a10e2a75aa0862df9af10e090b22d9ff2d2267c4dc1e4495d45bb37058186c1f0e09f5985060ff3dee9b0b4ad8fe2926eb4eba09a33469ebec130cb1743d513c
ripemd-160
ff7ebaa955730dc5c0cc391af835cb76209dad36
Diameter
145011676
Circumference
455567616.00634
Area
1.6515655882101E+16
Volume
1.5966419598018E+24
Surface area
6.6062623528404E+16
Circumference
455567616.00634
Perimeter
290023352
Area
5257096544082244
Diagonal
102538739.45083
Surface area
31542579264493464
Volume
3.8117019037559E+23
Space diagonal
125583795.26136
Perimeter
217517514
Area
2.2763895786613E+15
Altitude
62791897.630679
Surface area
2.2763895786613E+15
Volume
4.4921337733457E+22
Height
34179579.816942