72664861 is an odd 8-digits composite number following 72664860
and preceding 72664862 . In scientific notation, it is written as 7.2664861 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 72640800 positive integers (up to 72664861) that are relatively prime to 72664861.
72664861 has 4 divisors, whose sum is 72688924
The reverse of 72664861 is 16846627
Previous prime number is 20521
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-two million six hundred sixty-four thousand eight hundred sixty-one
Scientific notation
7.2664861 × 10^7
Engineering notation
7.2664861 × 10^6
Prime Factorization
20521 × 3541
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72664861
Product of the distinct prime numbers
The prime factorization of 72664861 is 20521 × 3541.
Since it has a total of 2 prime factors.
7 , 8 , 83 , 89 , 161 , 76 , 6125 , 6646 , 71469 , 96425 , 856188 , 175011 , 6496405 , 4758978 , 35913194 , 94707044 , 193970832 , 40763669 , 5690828419 , 9267986036
n×2
145329722
n×3
217994583
n×4
290659444
n×5
363324305
n÷2
36332430.5
n÷3
24221620.333333
n÷3
18166215.25
n÷5
14532972.2
n2
5280182024149321
n3
3.8368369283951E+23
n4
2.788032220815E+31
n5
2.0259197378904E+39
2 √n
8524.368656974
3 √n
417.2933678148
4 √n
92.327507585627
5 √n
37.347788387162
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72664860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72664861 can be divided by 4 positive divisors.
The sum of these divisors (counting 72664861) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010101001100011100011101
3
Ternary
12001201202110011
4
Quaternary
10111030130131
5
Quinary
122100233421
6
Senary
11113243221
8
Octal
425143435
10
Decimal
72664861
12
Duodecimal
20403511
16
Hexadecimal
454c71d
20
Vigesimal
12e3231
36
Base36
179gkd
md5
8fe183ea79b02339e16b0e7974343bae
sha1
6e97e16dde5d9e0b882633ff147f80e37b8066e6
sha256
2165ad8b3e869cac8b28bb06b9916626332573b26c331269046ec4af923c916b
sha512
462c6f5e0372352e4bd45cdf4710bfcc98f7e327281dc3b9eea4d68adf51900aef9d9bb0a5126193e17c48f8813cb7c79e61b89d4438dc5013d8278ac386548c
ripemd-160
a2e2b8cba59fcd907056326a543a5a2b648f6041
Diameter
145329722
Circumference
456566786.98345
Area
1.6588181056684E+16
Volume
1.6071704943024E+24
Surface area
6.6352724226738E+16
Circumference
456566786.98345
Perimeter
290659444
Area
5280182024149321
Diagonal
102763631.93416
Surface area
31681092144895926
Volume
3.8368369283951E+23
Space diagonal
125859231.17693
Perimeter
217994583
Area
2.2863858847596E+15
Altitude
62929615.588465
Surface area
2.2863858847596E+15
Volume
4.5217556839586E+22
Height
34254543.978052