71491639 is an odd 8-digits composite number following 71491638
and preceding 71491640 . In scientific notation, it is written as 7.1491639 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 71121024 positive integers (up to 71491639) that are relatively prime to 71491639.
71491639 has 4 divisors, whose sum is 71862256
The reverse of 71491639 is 93619417
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-one million four hundred ninety-one thousand six hundred thirty-nine
Scientific notation
7.1491639 × 10^7
Engineering notation
7.1491639 × 10^6
Prime Factorization
193 × 370423
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71491639
Product of the distinct prime numbers
The prime factorization of 71491639 is 193 × 370423.
Since it has a total of 2 prime factors.
10 , 1 , 24 , 62 , 41 , 742 , 5191 , 6896 , 26065 , 59262 , 55523 , 725269 , 7231269 , 3930635 , 7655489 , 41663494 , 252008895 , 437581385 , 111613802 , 4019571515
n×2
142983278
n×3
214474917
n×4
285966556
n×5
357458195
n÷2
35745819.5
n÷3
23830546.333333
n÷3
17872909.75
n÷5
14298327.8
n2
5111054446906321
n3
3.6539765942757E+23
n4
2.6122877559241E+31
n5
1.8675673321065E+39
2 √n
8455.2728518954
3 √n
415.03534609671
4 √n
91.952557614758
5 √n
37.226400958811
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
-71491638
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 71491639 can be divided by 4 positive divisors.
The sum of these divisors (counting 71491639) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000101110000000110111
3
Ternary
11222112011002111
4
Quaternary
10100232000313
5
Quinary
121300213024
6
Senary
11032151451
8
Octal
420560067
10
Decimal
71491639
12
Duodecimal
1bb38587
16
Hexadecimal
442e037
20
Vigesimal
126g91j
36
Base36
16kbav
md5
0754b786cab0d078dcb3807422e9dac8
sha1
0898d6741a6d82fc0a0edc68c29f29a31ba9ba8e
sha256
02c1c1fd26829f0a80725c899f24b0fda2e0810c24b4179679f3bee6e3f878d6
sha512
68a87584fa91fde7611ea22f6a444231c0243d38091ead339b435e3b2e7056e91ecc11fb4496baa5ade9e2e18ea2db2fef3beff77d2f28053b80585d3ca6f7fb
ripemd-160
d20560230bc79bb22b2ef269c2e4618786e66732
Diameter
142983278
Circumference
449195215.75099
Area
1.6056851102498E+16
Volume
1.5305741366621E+24
Surface area
6.4227404409993E+16
Circumference
449195215.75099
Perimeter
285966556
Area
5111054446906321
Diagonal
101104445.47008
Surface area
30666326681437926
Volume
3.6539765942757E+23
Space diagonal
123827151.06437
Perimeter
214474917
Area
2.2131514955731E+15
Altitude
61913575.532186
Surface area
2.2131514955731E+15
Volume
4.3062527135155E+22
Height
33701481.82336