72009871 is an odd 8-digits composite number following 72009870
and preceding 72009872 . In scientific notation, it is written as 7.2009871 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 69526744 positive integers (up to 72009871) that are relatively prime to 72009871.
72009871 has 4 divisors, whose sum is 74493000
The reverse of 72009871 is 17890027
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-two million nine thousand eight hundred seventy-one
Scientific notation
7.2009871 × 10^7
Engineering notation
7.2009871 × 10^6
Prime Factorization
29 × 2483099
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72009871
Product of the distinct prime numbers
The prime factorization of 72009871 is 29 × 2483099.
Since it has a total of 2 prime factors.
1 , 3 , 50 , 86 , 74 , 913 , 8564 , 220 , 65173 , 31009 , 947367 , 922844 , 6874378 , 7357456 , 43520413 , 56607175 , 654834917 , 303657259 , 8963285037 , 5090642568
n×2
144019742
n×3
216029613
n×4
288039484
n×5
360049355
n÷2
36004935.5
n÷3
24003290.333333
n÷3
18002467.75
n÷5
14401974.2
n2
5185421521436641
n3
3.7340153483928E+23
n4
2.6888596354978E+31
n5
1.9362443548931E+39
2 √n
8485.8630085572
3 √n
416.03577532258
4 √n
92.118744067411
5 √n
37.280214850617
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
-72009870
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 72009871 can be divided by 4 positive divisors.
The sum of these divisors (counting 72009871) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010010101100100010001111
3
Ternary
12000111110222021
4
Quaternary
10102230202033
5
Quinary
121413303441
6
Senary
11051231011
8
Octal
422544217
10
Decimal
72009871
12
Duodecimal
20148467
16
Hexadecimal
44ac88f
20
Vigesimal
12a14db
36
Base36
16vf67
md5
314cdbdd976ca72cdcd7069932d72b9d
sha1
2ea2504a27d3d9004b29639f38861d40bff512bd
sha256
3ecfc17865f616d19e69797c1416fa640089ed3026f65b814b7a49846b079b0a
sha512
b7659438913e3393772296df8a9f71b40dde918d698ed6c2b8633e25bab1a2e735b1323634b53938a46f76aa4aa94bc17bd917421b6326e58e27a1a1a3c3b308
ripemd-160
6e4a4ca472ca724a65fc178bc6dd28cf7de33b87
Diameter
144019742
Circumference
452451363.4391
Area
1.6290482157512E+16
Volume
1.564100691587E+24
Surface area
6.5161928630047E+16
Circumference
452451363.4391
Perimeter
288039484
Area
5185421521436641
Diagonal
101837336.19294
Surface area
31112529128619846
Volume
3.7340153483928E+23
Space diagonal
124724755.21848
Perimeter
216029613
Area
2.2453533834473E+15
Altitude
62362377.60924
Surface area
2.2453533834473E+15
Volume
4.4005792898386E+22
Height
33945778.730979