72435981 is an odd 8-digits composite number following 72435980
and preceding 72435982 . In scientific notation, it is written as 7.2435981 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 48290652 positive integers (up to 72435981) that are relatively prime to 72435981.
72435981 has 4 divisors, whose sum is 96581312
The reverse of 72435981 is 18953427
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-two million four hundred thirty-five thousand nine hundred eighty-one
Scientific notation
7.2435981 × 10^7
Engineering notation
7.2435981 × 10^6
Prime Factorization
3 × 24145327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72435981
Product of the distinct prime numbers
The prime factorization of 72435981 is 3 × 24145327.
Since it has a total of 2 prime factors.
1 , 7 , 55 , 87 , 400 , 830 , 5654 , 5127 , 4984 , 88931 , 893607 , 973094 , 4750558 , 3891409 , 31013376 , 45912443 , 675129253 , 867759078 , 7681174335 , 8819382971
n×2
144871962
n×3
217307943
n×4
289743924
n×5
362179905
n÷2
36217990.5
n÷3
24145327
n÷3
18108995.25
n÷5
14487196.2
n2
5246971343432361
n3
3.8006951654041E+23
n4
2.75307082788E+31
n5
1.9942138617997E+39
2 √n
8510.9330275828
3 √n
416.85477636038
4 √n
92.254718186025
5 √n
37.324231052578
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72435980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72435981 can be divided by 4 positive divisors.
The sum of these divisors (counting 72435981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010100010100100100001101
3
Ternary
12001022010111010
4
Quaternary
10110110210031
5
Quinary
122020422411
6
Senary
11104315433
8
Octal
424244415
10
Decimal
72435981
12
Duodecimal
20312b79
16
Hexadecimal
451490d
20
Vigesimal
12ce9j1
36
Base36
174jyl
md5
05034e160e7e9b0c7acd8dc9f2d4fb15
sha1
1a8b66c89e81e797e5fdf34925a289325baec911
sha256
5ffd8a1249a59177352f8033c734224a26c13793135c4bf4743204bef94f8c76
sha512
9dae44107539f8216b6e689174eaff374df31c5c21b1320f558ae857ce2ef121ce93df3f76c3c38ee4627373a210aa221240a6f62a92d0ef284d2b17e89f81fc
ripemd-160
ead5590b8ddefae7760f944dcfc239112eb9f665
Diameter
144871962
Circumference
455128691.53034
Area
1.6483846626123E+16
Volume
1.5920314680224E+24
Surface area
6.5935386504493E+16
Circumference
455128691.53034
Perimeter
289743924
Area
5246971343432361
Diagonal
102439946.734
Surface area
31481828060594166
Volume
3.8006951654041E+23
Space diagonal
125462799.38809
Perimeter
217307943
Area
2.2720052381707E+15
Altitude
62731399.694047
Surface area
2.2720052381707E+15
Volume
4.4791622078003E+22
Height
34146648.911333