72389440 is an even 8-digits composite number following 72389439
and preceding 72389441 . In scientific notation, it is written as 7.2389440 × 10^7.
The sum of its digits is 37. It has a total of 8 prime factors and 28 positive divisors.
There are 28955648 positive integers (up to 72389440) that are relatively prime to 72389440.
72389440 has 28 divisors, whose sum is 172378116
The reverse of 72389440 is 04498327
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-two million three hundred eighty-nine thousand four hundred forty
Scientific notation
7.2389440 × 10^7
Engineering notation
7.2389440 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 5 × 226217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2262170
Product of the distinct prime numbers
The prime factorization of 72389440 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 226217.
Since it has a total of 8 prime factors.
5 , 8 , 67 , 5 , 30 , 878 , 7562 , 6863 , 17451 , 34954 , 247492 , 725320 , 5111372 , 5590603 , 8742449 , 12404500 , 554181938 , 774608731 , 9368179509 , 6688756893
n×2
144778880
n×3
217168320
n×4
289557760
n×5
361947200
n÷2
36194720
n÷3
24129813.333333
n÷3
18097360
n÷5
14477888
n2
5240231023513600
n3
3.7933738926278E+23
n4
2.7460021179794E+31
n5
1.9878155555935E+39
2 √n
8508.1983991912
3 √n
416.76547914255
4 √n
92.239895919235
5 √n
37.319433564836
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 64 , 80 , 160 , 320 , 226217 , 452434 , 904868 , 1131085 , 1809736 , 2262170 , 3619472 , 4524340 , 7238944 , 9048680 , 14477888 , 18097360 , 36194720 , 72389440
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72389439
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72389440 can be divided by 28 positive divisors.
The sum of these divisors (counting 72389440) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100010100001001001101000000
3
Ternary
12001012202122101
4
Quaternary
10110021031000
5
Quinary
122012430230
6
Senary
11103320144
8
Octal
424111500
10
Decimal
72389440
12
Duodecimal
202b0054
16
Hexadecimal
4509340
20
Vigesimal
12c8dc0
36
Base36
173k1s
md5
32aa01f1304bb342ca3a04498e574308
sha1
34fba0320dfdd3cc378b318ef4ef1e43c686c062
sha256
639be215d4b2220076b774384284351ddeb9421802584168f45354e6b22c70c2
sha512
d2ebfcccf2f9b7716e6820c60b7ad7d8df44d36cc042f464d7ab7a29c7767dec557ad6a4cc5a37331e60d9fe11622fcfb25e3e0ada4a452342cc6fd2592d6dfc
ripemd-160
ce52cceda798e211df895243c10b411f1b59b3a1
Diameter
144778880
Circumference
454836265.80296
Area
1.6462671286584E+16
Volume
1.5889647404532E+24
Surface area
6.5850685146335E+16
Circumference
454836265.80296
Perimeter
289557760
Area
5240231023513600
Diagonal
102374127.82059
Surface area
31441386141081600
Volume
3.7933738926278E+23
Space diagonal
125382188.01146
Perimeter
217168320
Area
2.2690865940311E+15
Altitude
62691094.005729
Surface area
2.2690865940311E+15
Volume
4.4705340050885E+22
Height
34124709.273531