72669281 is an odd 8-digits composite number following 72669280
and preceding 72669282 . In scientific notation, it is written as 7.2669281 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 67087440 positive integers (up to 72669281) that are relatively prime to 72669281.
72669281 has 16 divisors, whose sum is 78474240
The reverse of 72669281 is 18296627
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-two million six hundred sixty-nine thousand two hundred eighty-one
Scientific notation
7.2669281 × 10^7
Engineering notation
7.2669281 × 10^6
Prime Factorization
19 × 71 × 103 × 523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72669281
Product of the distinct prime numbers
The prime factorization of 72669281 is 19 × 71 × 103 × 523.
Since it has a total of 4 prime factors.
2 , 3 , 45 , 69 , 710 , 225 , 6888 , 3312 , 12328 , 98262 , 535184 , 986445 , 5184905 , 9013283 , 69489069 , 17205888 , 227150251 , 792567915 , 4789708465 , 7274491511
n×2
145338562
n×3
218007843
n×4
290677124
n×5
363346405
n÷2
36334640.5
n÷3
24223093.666667
n÷3
18167320.25
n÷5
14533856.2
n2
5280824401056961
n3
3.8375371231206E+23
n4
2.7887106354799E+31
n5
2.0265359679737E+39
2 √n
8524.6279097683
3 √n
417.30182857224
4 √n
92.328911559534
5 √n
37.348242728383
1 , 19 , 71 , 103 , 523 , 1349 , 1957 , 7313 , 9937 , 37133 , 53869 , 138947 , 705527 , 1023511 , 3824699 , 72669281
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
-72669280
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 72669281 can be divided by 16 positive divisors.
The sum of these divisors (counting 72669281) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101001101100001100001
3
Ternary
12001201222111212
4
Quaternary
10111031201201
5
Quinary
122100404111
6
Senary
11113315505
8
Octal
425154141
10
Decimal
72669281
12
Duodecimal
20405b95
16
Hexadecimal
454d861
20
Vigesimal
12e3d41
36
Base36
179jz5
md5
64ab1372619d26db0dfa5e8789b44aab
sha1
efdd13674c8f8f0c180b05e407bc9995eac41750
sha256
2bb4fd9615e27dae99083de99e962068f8ccd4bea499e6afdf81d22f27dc7753
sha512
fb1896d561e590a66bcdf646a58586cb231593f2d06867a455d6223a9435563e5797111bbe83538274284916da49d23bf2eb6a72cae8eeee01c359e1f9aef625
ripemd-160
b6ced7bbc644f79af8e98449b2b528cda081c2f8
Diameter
145338562
Circumference
456594558.6625
Area
1.6590199143258E+16
Volume
1.6074637911832E+24
Surface area
6.6360796573033E+16
Circumference
456594558.6625
Perimeter
290677124
Area
5280824401056961
Diagonal
102769882.7581
Surface area
31684946406341766
Volume
3.8375371231206E+23
Space diagonal
125866886.8415
Perimeter
218007843
Area
2.28666404212E+15
Altitude
62933443.42075
Surface area
2.28666404212E+15
Volume
4.5225808713562E+22
Height
34256627.586034