72161828 is an even 8-digits composite number following 72161827
and preceding 72161829 . In scientific notation, it is written as 7.2161828 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 36080912 positive integers (up to 72161828) that are relatively prime to 72161828.
72161828 has 6 divisors, whose sum is 126283206
The reverse of 72161828 is 82816127
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million one hundred sixty-one thousand eight hundred twenty-eight
Scientific notation
7.2161828 × 10^7
Engineering notation
7.2161828 × 10^6
Prime Factorization
2 × 2 × 18040457
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
36080914
Product of the distinct prime numbers
The prime factorization of 72161828 is 2 × 2 × 18040457.
Since it has a total of 3 prime factors.
8 , 7 , 35 , 82 , 517 , 533 , 5681 , 3779 , 77801 , 42398 , 144335 , 531826 , 5414066 , 7720968 , 48413845 , 59387793 , 771335559 , 417837312 , 690655230 , 5152089398
n×2
144323656
n×3
216485484
n×4
288647312
n×5
360809140
n÷2
36080914
n÷3
24053942.666667
n÷3
18040457
n÷5
14432365.6
n2
5207329420301584
n3
3.7577040996714E+23
n4
2.7116279691538E+31
n5
1.9567603111007E+39
2 √n
8494.8118284044
3 √n
416.32821268959
4 √n
92.167303467143
5 √n
37.295935511729
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
-72161827
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 72161828 can be divided by 6 positive divisors.
The sum of these divisors (counting 72161828) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100010011010001101000100100
3
Ternary
12000210012102022
4
Quaternary
10103101220210
5
Quinary
121433134303
6
Senary
11054402312
8
Octal
423215044
10
Decimal
72161828
12
Duodecimal
20200398
16
Hexadecimal
44d1a24
20
Vigesimal
12b04b8
36
Base36
16yof8
md5
9d4a0fbe48c9371f575bf1b75320d321
sha1
3db326ab2cb9fda8ead75d0bc1c94cbe22d6ebab
sha256
6ced076ef10a0c5ca60a0f1f538186640f2f0e0406a2bc0f22ad6db2910bd706
sha512
ae142783502fcbdfa8850fbd9d7bf0d9244dc084b9643633b1a3b91227c5178afbabbf3a204c8261b2b0a95e7f221d294b794e174bb961044b1df3dcebe2961e
ripemd-160
20a90319d88cd3d61af2fd070e7e9d58974e3128
Diameter
144323656
Circumference
453406137.42882
Area
1.6359307851641E+16
Volume
1.5740234125189E+24
Surface area
6.5437231406566E+16
Circumference
453406137.42882
Perimeter
288647312
Area
5207329420301584
Diagonal
102052235.84323
Surface area
31243976521809504
Volume
3.7577040996714E+23
Space diagonal
124987952.46305
Perimeter
216485484
Area
2.2548397819276E+15
Altitude
62493976.231523
Surface area
2.2548397819276E+15
Volume
4.4284967509503E+22
Height
34017411.947745