71784490 is an even 8-digits composite number following 71784489
and preceding 71784491 . In scientific notation, it is written as 7.1784490 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 28713792 positive integers (up to 71784490) that are relatively prime to 71784490.
71784490 has 8 divisors, whose sum is 129212100
The reverse of 71784490 is 09448717
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-one million seven hundred eighty-four thousand four hundred ninety
Scientific notation
7.1784490 × 10^7
Engineering notation
7.1784490 × 10^6
Prime Factorization
2 × 5 × 7178449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71784490
Product of the distinct prime numbers
The prime factorization of 71784490 is 2 × 5 × 7178449.
Since it has a total of 3 prime factors.
5 , 5 , 5 , 59 , 233 , 229 , 3844 , 7511 , 38604 , 34246 , 762725 , 709223 , 3707699 , 5036633 , 17547592 , 80214652 , 786587498 , 991941336 , 1894187207 , 6382491562
n×2
143568980
n×3
215353470
n×4
287137960
n×5
358922450
n÷2
35892245
n÷3
23928163.333333
n÷3
17946122.5
n÷5
14356898
n2
5153013004560100
n3
3.6990641049571E+23
n4
2.6553543025166E+31
n5
1.9061325437546E+39
2 √n
8472.5728087754
3 √n
415.60127676605
4 √n
92.046579560434
5 √n
37.256849189933
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
-71784489
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 71784490 can be divided by 8 positive divisors.
The sum of these divisors (counting 71784490) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010001110101100000101010
3
Ternary
12000002000210211
4
Quaternary
10101311200222
5
Quinary
121334100430
6
Senary
11042331334
8
Octal
421654052
10
Decimal
71784490
12
Duodecimal
20059b4a
16
Hexadecimal
447582a
20
Vigesimal
128d14a
36
Base36
16ql9m
md5
f7ae788ab9a26c04b7bd2a61d064cb42
sha1
6b0186a4ff23d71b5777391ed47cbdeaafb073e0
sha256
e0f72d91f7a6ae4f4d253dcca1362414038805d189a099056c547f763f7c298a
sha512
07128849f216228bb41bb44ea3510426d3ddae9d7d2cdb3a113a5a62cf0a9dcfe3686d15d8caa3e6b328ed5257bcd6ed6a76c9d51938e90acfa91a60f0a06c5b
ripemd-160
7b710c6c8d8af851c886d70e71f7c1abe3368147
Diameter
143568980
Circumference
451035252.85138
Area
1.6188667798979E+16
Volume
1.5494603489721E+24
Surface area
6.4754671195915E+16
Circumference
451035252.85138
Perimeter
287137960
Area
5153013004560100
Diagonal
101518599.32604
Surface area
30918078027360600
Volume
3.6990641049571E+23
Space diagonal
124334383.87542
Perimeter
215353470
Area
2.2313200839903E+15
Altitude
62167191.93771
Surface area
2.2313200839903E+15
Volume
4.3593888544316E+22
Height
33839533.108679