72943940 is an even 8-digits composite number following 72943939
and preceding 72943941 . In scientific notation, it is written as 7.2943940 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 27461120 positive integers (up to 72943940) that are relatively prime to 72943940.
72943940 has 24 divisors, whose sum is 162193752
The reverse of 72943940 is 04934927
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million nine hundred forty-three thousand nine hundred forty
Scientific notation
7.2943940 × 10^7
Engineering notation
7.2943940 × 10^6
Prime Factorization
2 × 2 × 5 × 17 × 214541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
36471970
Product of the distinct prime numbers
The prime factorization of 72943940 is 2 × 2 × 5 × 17 × 214541.
Since it has a total of 5 prime factors.
4 , 6 , 66 , 50 , 245 , 912 , 254 , 7694 , 96775 , 3357 , 313698 , 641256 , 6675857 , 8288358 , 34326381 , 96594632 , 391591573 , 349230667 , 828783327 , 1162028076
n×2
145887880
n×3
218831820
n×4
291775760
n×5
364719700
n÷2
36471970
n÷3
24314646.666667
n÷3
18235985
n÷5
14588788
n2
5320818382723600
n3
3.8812145686029E+23
n4
2.8311108261929E+31
n5
2.0651237823917E+39
2 √n
8540.7224518772
3 √n
417.82690879069
4 √n
92.41602919341
5 √n
37.376432239923
1 , 2 , 4 , 5 , 10 , 17 , 20 , 34 , 68 , 85 , 170 , 340 , 214541 , 429082 , 858164 , 1072705 , 2145410 , 3647197 , 4290820 , 7294394 , 14588788 , 18235985 , 36471970 , 72943940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72943939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72943940 can be divided by 24 positive divisors.
The sum of these divisors (counting 72943940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010110010000100101000100
3
Ternary
12002020221021102
4
Quaternary
10112100211010
5
Quinary
122133201230
6
Senary
11123235232
8
Octal
426204504
10
Decimal
72943940
12
Duodecimal
20518b18
16
Hexadecimal
4590944
20
Vigesimal
12fhjh0
36
Base36
17ffwk
md5
e087ada48411813150386a0057f84cfa
sha1
6eda0ffec8ecbd5fe0b5354d305a415e17f8a1b2
sha256
f7fd73481665d9f138f84cb42600208c05a35429a80a6f91dfff8e34796faee1
sha512
3cdce8eae2600ecd759d2dde6ad915d217044e28c8bea3908071e6cc0317233df6a376d2cdfe268342f1946e06197a25aa173363a652e3b0f74d50e5144dc9e3
ripemd-160
80e158759b5e81bfd7acf0878c1a9aa2c189cd9f
Diameter
145887880
Circumference
458320292.05579
Area
1.671584394225E+16
Volume
1.6257593567638E+24
Surface area
6.6863375769E+16
Circumference
458320292.05579
Perimeter
291775760
Area
5320818382723600
Diagonal
103158309.24093
Surface area
31924910296341600
Volume
3.8812145686029E+23
Space diagonal
126342610.18426
Perimeter
218831820
Area
2.3039819441809E+15
Altitude
63171305.092128
Surface area
2.3039819441809E+15
Volume
4.5740552344985E+22
Height
34386103.08031