72805551 is an odd 8-digits composite number following 72805550
and preceding 72805552 . In scientific notation, it is written as 7.2805551 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 38402784 positive integers (up to 72805551) that are relatively prime to 72805551.
72805551 has 16 divisors, whose sum is 119476224
The reverse of 72805551 is 15550827
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-two million eight hundred five thousand five hundred fifty-one
Scientific notation
7.2805551 × 10^7
Engineering notation
7.2805551 × 10^6
Prime Factorization
13 × 3 × 7 × 266687
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72805551
Product of the distinct prime numbers
The prime factorization of 72805551 is 13 × 3 × 7 × 266687.
Since it has a total of 4 prime factors.
6 , 1 , 44 , 43 , 729 , 843 , 1116 , 8346 , 35365 , 1674 , 335859 , 626281 , 2577386 , 105803 , 8548833 , 30193375 , 15017339 , 934029669 , 4912665410 , 2248467338
n×2
145611102
n×3
218416653
n×4
291222204
n×5
364027755
n÷2
36402775.5
n÷3
24268517
n÷3
18201387.75
n÷5
14561110.2
n2
5300648256413601
n3
3.8591661696538E+23
n4
2.8096871938221E+31
n5
2.0456082428386E+39
2 √n
8532.6168904973
3 √n
417.56250824031
4 √n
92.37216512834
5 √n
37.362239376621
1 , 3 , 7 , 13 , 21 , 39 , 91 , 273 , 266687 , 800061 , 1866809 , 3466931 , 5600427 , 10400793 , 24268517 , 72805551
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
-72805550
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 72805551 can be divided by 16 positive divisors.
The sum of these divisors (counting 72805551) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101101110110010101111
3
Ternary
12001222220102220
4
Quaternary
10111232302233
5
Quinary
122114234201
6
Senary
11120250423
8
Octal
425566257
10
Decimal
72805551
12
Duodecimal
20470a13
16
Hexadecimal
456ecaf
20
Vigesimal
12f0dhb
36
Base36
17ch4f
md5
51193231de48d83a3963dd07d84b8a00
sha1
e74c5a66ea243a6caefe609d12175f347bb1afe1
sha256
1d361272c12c220c953fddc2c00c9441a46c43a01eec0cb9fe08b6f9ce706bb0
sha512
aed3492f13e609d687cb0f6fbf235412a88fca68ec56a017843543a01715c598e2023b0314c5b5a3b5bedf477940aa9d637fbf6cf3341432841ae3ec85dd55ca
ripemd-160
8e9eeda64b8cda632420804fe861c2f211203037
Diameter
145611102
Circumference
457450768.32431
Area
1.6652477621613E+16
Volume
1.6165237450089E+24
Surface area
6.660991048645E+16
Circumference
457450768.32431
Perimeter
291222204
Area
5300648256413601
Diagonal
102962597.64025
Surface area
31803889538481606
Volume
3.8591661696538E+23
Space diagonal
126102913.40505
Perimeter
218416653
Area
2.2952480232899E+15
Altitude
63051456.702524
Surface area
2.2952480232899E+15
Volume
4.5480709471465E+22
Height
34320865.880082