72943921 is an odd 8-digits prime number following 72943920
and preceding 72943922 . In scientific notation, it is written as 7.2943921 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 72943920 positive integers (up to 72943921) that are relatively prime to 72943921.
72943921 has 2 divisors, whose sum is 72943922
The reverse of 72943921 is 12934927
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 37 Digital Root 1
Name
seventy-two million nine hundred forty-three thousand nine hundred twenty-one
Scientific notation
7.2943921 × 10^7
Engineering notation
7.2943921 × 10^6
Prime Factorization
72943921
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72943921 Product of the distinct prime numbers
The prime factorization of 72943921 is 72943921.
Since it has a total of 1 prime factors.
3 , 3 , 88 , 84 , 828 , 748 , 3569 , 4882 , 61659 , 87941 , 926150 , 481583 , 9130714 , 8647518 , 76799401 , 2957582 , 997560000 , 902779376 , 7896718590 , 2137687272
n×2
145887842
n×3
218831763
n×4
291775684
n×5
364719605
n÷2
36471960.5
n÷3
24314640.333333
n÷3
18235980.25
n÷5
14588784.2
n2
5320815610854241
n3
3.8812115357372E+23
n4
2.831107876471E+31
n5
2.0651210928378E+39
2 √n8540.7213395591
3 √n417.82687251301
4 √n92.416023175416
5 √n37.376430292805
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72943922 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36471961 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8540.7213981022 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999725817 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72943921 can be divided by 2 positive divisors.
The sum of these divisors (counting 72943921) is 72943922, the average is 36471961.
Base
System
Value
2
Binary
100010110010000100100110001
3
Ternary
12002020221020201
4
Quaternary
10112100210301
5
Quinary
122133201141
6
Senary
11123235201
8
Octal
426204461
10
Decimal
72943921
12
Duodecimal
20518b01
16
Hexadecimal
4590931
20
Vigesimal
12fhjg1
36
Base36
17ffw1
md5
001892f2454e4bbeee01eb8ff8705590
sha1
194939622e7552777ce2e08aade63d4a74336dbf
sha256
f527bd2940fc839e4e1e6ea6693e1ac20a48132bef3bb095dbc990693f6afe6e
sha512
e8dc6be0299d5f751dd93113fbf06f4162c2404a40fbb212359b9648672be5efb335af5bcbbb41e06a15f373c5eb55adcaaf9265888a1373068e0bbb1adf736f
ripemd-160
1ef1b2c9ff726b2ebf53238d1dfc02f9d8c774c5
Diameter
145887842
Circumference
458320172.67527
Area
1.6715835234166E+16
Volume
1.62575808636E+24
Surface area
6.6863340936662E+16
Circumference
458320172.67527
Perimeter
291775684
Area
5320815610854241
Diagonal
103158282.37087
Surface area
31924893665125446
Volume
3.8812115357372E+23
Space diagonal
126342577.27529
Perimeter
218831763
Area
2.3039807439263E+15
Altitude
63171288.637645
Surface area
2.3039807439263E+15
Volume
4.574051660232E+22
Height
34386094.123624