72487979 is an odd 8-digits prime number following 72487978
and preceding 72487980 . In scientific notation, it is written as 7.2487979 × 10^7.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 72487978 positive integers (up to 72487979) that are relatively prime to 72487979.
72487979 has 2 divisors, whose sum is 72487980
The reverse of 72487979 is 97978427
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 53 Digital Root 8
Name
seventy-two million four hundred eighty-seven thousand nine hundred seventy-nine
Scientific notation
7.2487979 × 10^7
Engineering notation
7.2487979 × 10^6
Prime Factorization
72487979
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72487979 Product of the distinct prime numbers
The prime factorization of 72487979 is 72487979.
Since it has a total of 1 prime factors.
10 , 1 , 88 , 57 , 41 , 281 , 979 , 6770 , 20892 , 62805 , 689749 , 161063 , 8036035 , 5586359 , 6402981 , 30792383 , 997710913 , 180037974 , 2708320137 , 1946396402
n×2
144975958
n×3
217463937
n×4
289951916
n×5
362439895
n÷2
36243989.5
n÷3
24162659.666667
n÷3
18121994.75
n÷5
14497595.8
n2
5254507099504441
n3
3.8088860028423E+23
n4
2.7609844858743E+31
n5
2.0013818543138E+39
2 √n8513.9872562742
3 √n416.95449857869
4 √n92.271269939642
5 √n37.32958813701
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72487980 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36243990 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8513.9873150011 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999724092 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72487979 can be divided by 2 positive divisors.
The sum of these divisors (counting 72487979) is 72487980, the average is 36243990.
Base
System
Value
2
Binary
100010100100001010000101011
3
Ternary
12001101202210222
4
Quaternary
10110201100223
5
Quinary
122024103404
6
Senary
11105400255
8
Octal
424412053
10
Decimal
72487979
12
Duodecimal
2033908b
16
Hexadecimal
452142b
20
Vigesimal
12d0jij
36
Base36
175o2z
md5
9b26b63502782efbc0101a3fe212f900
sha1
5365dc120bf6ebe36a4ff42b073056f363bb5617
sha256
f3ea183ac930dcf06cb0a1e168e693f0c5024cd0ff5c0947813b7e39781b53d4
sha512
0a6234b37788a5e4870dd3a3502bf8ba1c7d67b8d5651ec779bd8c0651afe91d5afd42ebaf113ae1d88d893d182d06ff24b8d917a1bab9eb614d94937cf056db
ripemd-160
836fe085512f99f2795d6528693273ae698e0bbd
Diameter
144975958
Circumference
455455404.59994
Area
1.6507520902039E+16
Volume
1.5954624379854E+24
Surface area
6.6030083608154E+16
Circumference
455455404.59994
Perimeter
289951916
Area
5254507099504441
Diagonal
102513483.01082
Surface area
31527042597026646
Volume
3.8088860028423E+23
Space diagonal
125552862.56599
Perimeter
217463937
Area
2.2752683162683E+15
Altitude
62776431.282993
Surface area
2.2752683162683E+15
Volume
4.4888152022938E+22
Height
34171161.003605