72561946 is an even 8-digits composite number following 72561945
and preceding 72561947 . In scientific notation, it is written as 7.2561946 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 35820720 positive integers (up to 72561946) that are relatively prime to 72561946.
72561946 has 16 divisors, whose sum is 110233440
The reverse of 72561946 is 64916527
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-two million five hundred sixty-one thousand nine hundred forty-six
Scientific notation
7.2561946 × 10^7
Engineering notation
7.2561946 × 10^6
Prime Factorization
2 × 179 × 157 × 1291
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72561946
Product of the distinct prime numbers
The prime factorization of 72561946 is 2 × 179 × 157 × 1291.
Since it has a total of 4 prime factors.
5 , 1 , 80 , 97 , 673 , 428 , 4012 , 9582 , 54372 , 17893 , 334686 , 989591 , 7510615 , 398772 , 49712158 , 59952834 , 879218767 , 908856486 , 1691396790 , 2833259538
n×2
145123892
n×3
217685838
n×4
290247784
n×5
362809730
n÷2
36280973
n÷3
24187315.333333
n÷3
18140486.5
n÷5
14512389.2
n2
5265236007306916
n3
3.8205577083946E+23
n4
2.7722710212641E+31
n5
2.0116138014233E+39
2 √n
8518.3300006515
3 √n
417.09627100182
4 √n
92.294799423649
5 √n
37.337203279204
1 , 2 , 157 , 179 , 314 , 358 , 1291 , 2582 , 28103 , 56206 , 202687 , 231089 , 405374 , 462178 , 36280973 , 72561946
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
-72561945
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 72561946 can be divided by 16 positive divisors.
The sum of these divisors (counting 72561946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010100110011010100011010
3
Ternary
12001112112021111
4
Quaternary
10110303110122
5
Quinary
122033440241
6
Senary
11111130534
8
Octal
424632432
10
Decimal
72561946
12
Duodecimal
20373a4a
16
Hexadecimal
453351a
20
Vigesimal
12da4h6
36
Base36
17795m
md5
a5e7439efeb9b6689eaf9323e63f179d
sha1
64dab04cf3372af6c5a9b5a140149b5a1e1af7e4
sha256
ec4ead1f878510f0b9e808613fc90f246c813739a42610f80381f0605518b696
sha512
df1441429cbb9d480237078ae25da6234fd18db160c39bd63f75310b6f4b44aabcc1615792db04674f23cfd7ccb219a77f73f4198ea7d6af28159cea9c2ca634
ripemd-160
a4565cd361523d25cbf42f08edaf25e172c81385
Diameter
145123892
Circumference
455920152.96756
Area
1.6541226759972E+16
Volume
1.6003514705744E+24
Surface area
6.6164907039887E+16
Circumference
455920152.96756
Perimeter
290247784
Area
5265236007306916
Diagonal
102618088.14538
Surface area
31591416043841496
Volume
3.8205577083946E+23
Space diagonal
125680977.16807
Perimeter
217685838
Area
2.2799140696242E+15
Altitude
62840488.584035
Surface area
2.2799140696242E+15
Volume
4.5025704392006E+22
Height
34206029.381795