72321845 is an odd 8-digits composite number following 72321844
and preceding 72321846 . In scientific notation, it is written as 7.2321845 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 56918400 positive integers (up to 72321845) that are relatively prime to 72321845.
72321845 has 16 divisors, whose sum is 88205760
The reverse of 72321845 is 54812327
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million three hundred twenty-one thousand eight hundred forty-five
Scientific notation
7.2321845 × 10^7
Engineering notation
7.2321845 × 10^6
Prime Factorization
5 × 89 × 331 × 491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72321845
Product of the distinct prime numbers
The prime factorization of 72321845 is 5 × 89 × 331 × 491.
Since it has a total of 4 prime factors.
6 , 6 , 41 , 87 , 670 , 656 , 5057 , 7643 , 79079 , 14729 , 729493 , 692586 , 4287640 , 8297712 , 62284184 , 2228969 , 63896459 , 362645617 , 7848783061 , 8471716506
n×2
144643690
n×3
216965535
n×4
289287380
n×5
361609225
n÷2
36160922.5
n÷3
24107281.666667
n÷3
18080461.25
n÷5
14464369
n2
5230449264204025
n3
3.7827574096613E+23
n4
2.7357599505412E+31
n5
1.9785520710025E+39
2 √n
8504.225126371
3 √n
416.63571787905
4 √n
92.218355691104
5 √n
37.312461415714
1 , 5 , 89 , 331 , 445 , 491 , 1655 , 2455 , 29459 , 43699 , 147295 , 162521 , 218495 , 812605 , 14464369 , 72321845
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
-72321844
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 72321845 can be divided by 16 positive divisors.
The sum of these divisors (counting 72321845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011111000101100110101
3
Ternary
12001002022220212
4
Quaternary
10103320230311
5
Quinary
122003244340
6
Senary
11102035205
8
Octal
423705465
10
Decimal
72321845
12
Duodecimal
20278b05
16
Hexadecimal
44f8b35
20
Vigesimal
12c04c5
36
Base36
1723w5
md5
3e22eaf9cb533f6030237828d3000383
sha1
8b6a250afcf37ef4e49f2998931f083ce519af79
sha256
6b127698d73038461101b8577c1a5fd9923c049eba2b74b111dee3e1aa8a0485
sha512
af61729eeaf37111fa5e68244c8f766bfded6809430d01bcc02f4fadb06c4505809959ba4b2610d8a7fdd7dd10cc8ff7a6f157ca21f2f8bf18d4b662e6f64e9c
ripemd-160
cf61bcbcd569a0f93f5d6fa66d09129a81e021ec
Diameter
144643690
Circumference
454411553.89212
Area
1.6431940983398E+16
Volume
1.5845177184672E+24
Surface area
6.572776393359E+16
Circumference
454411553.89212
Perimeter
289287380
Area
5230449264204025
Diagonal
102278534.05484
Surface area
31382695585224150
Volume
3.7827574096613E+23
Space diagonal
125265110.03712
Perimeter
216965535
Area
2.2648509680032E+15
Altitude
62632555.018561
Surface area
2.2648509680032E+15
Volume
4.4580223599252E+22
Height
34092844.684948