72321878 is an even 8-digits composite number following 72321877
and preceding 72321879 . In scientific notation, it is written as 7.2321878 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 35485800 positive integers (up to 72321878) that are relatively prime to 72321878.
72321878 has 16 divisors, whose sum is 110522880
The reverse of 72321878 is 87812327
Previous prime number is 239
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million three hundred twenty-one thousand eight hundred seventy-eight
Scientific notation
7.2321878 × 10^7
Engineering notation
7.2321878 × 10^6
Prime Factorization
2 × 71 × 239 × 2131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72321878
Product of the distinct prime numbers
The prime factorization of 72321878 is 2 × 71 × 239 × 2131.
Since it has a total of 4 prime factors.
7 , 4 , 85 , 81 , 157 , 575 , 2647 , 9337 , 9568 , 73966 , 884905 , 562797 , 17984 , 9281409 , 71016764 , 31138122 , 806812280 , 464558486 , 752275507 , 1443091292
n×2
144643756
n×3
216965634
n×4
289287512
n×5
361609390
n÷2
36160939
n÷3
24107292.666667
n÷3
18080469.5
n÷5
14464375.6
n2
5230454037446884
n3
3.7827625878084E+23
n4
2.7357649437844E+31
n5
1.9785565850106E+39
2 √n
8504.2270665828
3 √n
416.63578124845
4 √n
92.218366210765
5 √n
37.312464820801
1 , 2 , 71 , 142 , 239 , 478 , 2131 , 4262 , 16969 , 33938 , 151301 , 302602 , 509309 , 1018618 , 36160939 , 72321878
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
-72321877
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 72321878 can be divided by 16 positive divisors.
The sum of these divisors (counting 72321878) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011111000101101010110
3
Ternary
12001002022222002
4
Quaternary
10103320231112
5
Quinary
122003300003
6
Senary
11102035302
8
Octal
423705526
10
Decimal
72321878
12
Duodecimal
20278b32
16
Hexadecimal
44f8b56
20
Vigesimal
12c04di
36
Base36
1723x2
md5
efdcc9587d1c8e433516cd683852f2ca
sha1
90f99661c0174982a8262517308efea4e3cb20c8
sha256
865b2d796ced005e7ef563c99a4e19b56d64de04032207ce2b26f33742dc8ce1
sha512
7b5315c457c8207a051116f0ea1ea47b3fda00405e157e883249c7c99c0a851041ba988e7d861548068cbf469707bce0236ce00685a8feafdd16a5cc00c245fd
ripemd-160
24a351378d9f796954118fed41cdc1fb82b6c266
Diameter
144643756
Circumference
454411761.23723
Area
1.6431955978982E+16
Volume
1.5845198874844E+24
Surface area
6.5727823915929E+16
Circumference
454411761.23723
Perimeter
289287512
Area
5230454037446884
Diagonal
102278580.72389
Surface area
31382724224681304
Volume
3.7827625878084E+23
Space diagonal
125265167.1948
Perimeter
216965634
Area
2.2648530348779E+15
Altitude
62632583.597399
Surface area
2.2648530348779E+15
Volume
4.4580284624302E+22
Height
34092860.241297