71872009 is an odd 8-digits composite number following 71872008
and preceding 71872010 . In scientific notation, it is written as 7.1872009 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 65338180 positive integers (up to 71872009) that are relatively prime to 71872009.
71872009 has 4 divisors, whose sum is 78405840
The reverse of 71872009 is 90027817
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-one million eight hundred seventy-two thousand nine
Scientific notation
7.1872009 × 10^7
Engineering notation
7.1872009 × 10^6
Prime Factorization
11 × 6533819
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71872009
Product of the distinct prime numbers
The prime factorization of 71872009 is 11 × 6533819.
Since it has a total of 2 prime factors.
7 , 2 , 76 , 63 , 956 , 404 , 8310 , 4163 , 39052 , 24294 , 827954 , 187478 , 8836195 , 3757530 , 42839730 , 76013338 , 323689793 , 659899895 , 9292819000 , 6332682323
n×2
143744018
n×3
215616027
n×4
287488036
n×5
359360045
n÷2
35936004.5
n÷3
23957336.333333
n÷3
17968002.25
n÷5
14374401.8
n2
5165585677696081
n3
3.7126102031764E+23
n4
2.6683275393619E+31
n5
1.9177806092397E+39
2 √n
8477.736077515
3 √n
415.77010727649
4 √n
92.074622331645
5 √n
37.265929405419
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
-71872008
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 71872009 can be divided by 4 positive divisors.
The sum of these divisors (counting 71872009) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010010001010111000001001
3
Ternary
12000020110212021
4
Quaternary
10102022320021
5
Quinary
121344401014
6
Senary
11044244441
8
Octal
422127011
10
Decimal
71872009
12
Duodecimal
200a0721
16
Hexadecimal
448ae09
20
Vigesimal
1294009
36
Base36
16sgsp
md5
1cc6e0d0ec881921578a5acd218f2aea
sha1
f37aeae9d5786a29b62f11b399a8d8fd99df1b0e
sha256
fe14feecd2a8fcbf95f5a9d20e613be5dea2824de4f9c442945832a6480820dd
sha512
a09c8569bf26755f631a978255113333254bf58c7e994027df985fa6cceb0e0824fdfdeaa4c4958746e6f4b121ad340cee370c8dce7fbfaa1eb4d508e26eda3d
ripemd-160
a86d79e04f4bc5895256f488a2b7dff0e5bfffae
Diameter
143744018
Circumference
451585150.94628
Area
1.6228166016539E+16
Volume
1.5551345253255E+24
Surface area
6.4912664066155E+16
Circumference
451585150.94628
Perimeter
287488036
Area
5165585677696081
Diagonal
101642369.8828
Surface area
30993514066176486
Volume
3.7126102031764E+23
Space diagonal
124485971.23005
Perimeter
215616027
Area
2.2367642111549E+15
Altitude
62242985.615024
Surface area
2.2367642111549E+15
Volume
4.3753530842807E+22
Height
33880789.960934