72561618 is an even 8-digits composite number following 72561617
and preceding 72561619 . In scientific notation, it is written as 7.2561618 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 24187200 positive integers (up to 72561618) that are relatively prime to 72561618.
72561618 has 12 divisors, whose sum is 157216878
The reverse of 72561618 is 81616527
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million five hundred sixty-one thousand six hundred eighteen
Scientific notation
7.2561618 × 10^7
Engineering notation
7.2561618 × 10^6
Prime Factorization
2 × 3 × 3 × 4031201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
24187206
Product of the distinct prime numbers
The prime factorization of 72561618 is 2 × 3 × 3 × 4031201.
Since it has a total of 4 prime factors.
10 , 4 , 91 , 82 , 675 , 760 , 9168 , 1946 , 78851 , 86364 , 904590 , 376209 , 5099731 , 1926324 , 61853822 , 34303923 , 125889286 , 297269943 , 8407253328 , 4774343141
n×2
145123236
n×3
217684854
n×4
290246472
n×5
362808090
n÷2
36280809
n÷3
24187206
n÷3
18140404.5
n÷5
14512323.6
n2
5265188406777924
n3
3.8205058987065E+23
n4
2.7722208958869E+31
n5
2.0115683365896E+39
2 √n
8518.3107480298
3 √n
417.0956425375
4 √n
92.294695123987
5 √n
37.337169524253
1 , 2 , 3 , 6 , 9 , 18 , 4031201 , 8062402 , 12093603 , 24187206 , 36280809 , 72561618
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72561617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72561618 can be divided by 12 positive divisors.
The sum of these divisors (counting 72561618) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010100110011001111010010
3
Ternary
12001112111211100
4
Quaternary
10110303033102
5
Quinary
122033432433
6
Senary
11111125230
8
Octal
424631722
10
Decimal
72561618
12
Duodecimal
20373816
16
Hexadecimal
45333d2
20
Vigesimal
12da40i
36
Base36
1778wi
md5
8566b5e54f9208e4d14130106443acb5
sha1
4fec51c1ba483cee96e9f6d048abdae3b60147dd
sha256
7de19b27cd39dd3d6c07a869a0acaa86190ba6d348972735be90d0249a2e73fd
sha512
72d84b7ce93e87815c019631a3626fc145e11b154bb8b5486be782acb74e41734abef43bead3ec7e4f7b1e427448b0833d4cdbcba478a2a2d4a4db2bd943c2df
ripemd-160
1d56937e403865a0019ace088d5afbb2c4729d07
Diameter
145123236
Circumference
455918092.08278
Area
1.65410772185E+16
Volume
1.600329768583E+24
Surface area
6.6164308873999E+16
Circumference
455918092.08278
Perimeter
290246472
Area
5265188406777924
Diagonal
102617624.28334
Surface area
31591130440667544
Volume
3.8205058987065E+23
Space diagonal
125680409.0554
Perimeter
217684854
Area
2.2798934579905E+15
Altitude
62840204.527702
Surface area
2.2798934579905E+15
Volume
4.5025093808976E+22
Height
34205874.761112