71991485 is an odd 8-digits composite number following 71991484
and preceding 71991486 . In scientific notation, it is written as 7.1991485 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 55607104 positive integers (up to 71991485) that are relatively prime to 71991485.
71991485 has 8 divisors, whose sum is 89368920
The reverse of 71991485 is 58419917
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-one million nine hundred ninety-one thousand four hundred eighty-five
Scientific notation
7.1991485 × 10^7
Engineering notation
7.1991485 × 10^6
Prime Factorization
5 × 29 × 496493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71991485
Product of the distinct prime numbers
The prime factorization of 71991485 is 5 × 29 × 496493.
Since it has a total of 3 prime factors.
2 , 1 , 50 , 56 , 133 , 188 , 5792 , 6036 , 76542 , 69210 , 830867 , 739216 , 9220386 , 3251376 , 3118751 , 60738203 , 801300773 , 197851397 , 5049078737 , 5937310888
n×2
143982970
n×3
215974455
n×4
287965940
n×5
359957425
n÷2
35995742.5
n÷3
23997161.666667
n÷3
17997871.25
n÷5
14398297
n2
5182773912505225
n3
3.7311559038051E+23
n4
2.6861145428145E+31
n5
1.9337737481731E+39
2 √n
8484.7796082161
3 √n
416.00036404369
4 √n
92.112863424259
5 √n
37.278310933737
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71991484
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71991485 can be divided by 8 positive divisors.
The sum of these divisors (counting 71991485) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010101000000010111101
3
Ternary
12000110112202022
4
Quaternary
10102220002331
5
Quinary
121412211420
6
Senary
11051005525
8
Octal
422500275
10
Decimal
71991485
12
Duodecimal
201398a5
16
Hexadecimal
44a80bd
20
Vigesimal
129iie5
36
Base36
16v0zh
md5
dd230a7455f42ff93a132a29660a426c
sha1
5bdda03390572042e0380e56b4b25c27d3a39d3a
sha256
10facfdaf8002d454b90781a7bd165cb32146129f1bbfe849c670bddb5f8c086
sha512
7517a35ded822b98f9d33084a611139a1e53f68417ddcc0099d11d96dd0df659675237daa8e57d42e15490378df6c5218d3737ba3cd0bf5db2cf56be7a6352d4
ripemd-160
1253fd01814531772b5106f0981d0de668d5ef51
Diameter
143982970
Circumference
452335840.79404
Area
1.6282164448743E+16
Volume
1.562902930239E+24
Surface area
6.5128657794973E+16
Circumference
452335840.79404
Perimeter
287965940
Area
5182773912505225
Diagonal
101811334.46238
Surface area
31096643475031350
Volume
3.7311559038051E+23
Space diagonal
124692909.73233
Perimeter
215974455
Area
2.2442069351504E+15
Altitude
62346454.866166
Surface area
2.2442069351504E+15
Volume
4.3972094020747E+22
Height
33937111.48746