71291979 is an odd 8-digits composite number following 71291978
and preceding 71291980 . In scientific notation, it is written as 7.1291979 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 42199920 positive integers (up to 71291979) that are relatively prime to 71291979.
71291979 has 24 divisors, whose sum is 114958272
The reverse of 71291979 is 97919217
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million two hundred ninety-one thousand nine hundred seventy-nine
Scientific notation
7.1291979 × 10^7
Engineering notation
7.1291979 × 10^6
Prime Factorization
3 × 3 × 11 × 43 × 16747
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
23763993
Product of the distinct prime numbers
The prime factorization of 71291979 is 3 × 3 × 11 × 43 × 16747.
Since it has a total of 5 prime factors.
5 , 6 , 43 , 15 , 204 , 517 , 7121 , 5683 , 79581 , 33270 , 763013 , 2983 , 1228828 , 117206 , 27313377 , 20898786 , 16161523 , 833054574 , 8745022523 , 7227869640
n×2
142583958
n×3
213875937
n×4
285167916
n×5
356459895
n÷2
35645989.5
n÷3
23763993
n÷3
17822994.75
n÷5
14258395.8
n2
5082546269736441
n3
3.6234478192858E+23
n4
2.5832276584012E+31
n5
1.8416341197496E+39
2 √n
8443.4577632626
3 √n
414.64861919997
4 √n
91.888289587208
5 √n
37.205584705848
1 , 3 , 9 , 11 , 33 , 43 , 99 , 129 , 387 , 473 , 1419 , 4257 , 16747 , 50241 , 150723 , 184217 , 552651 , 720121 , 1657953 , 2160363 , 6481089 , 7921331 , 23763993 , 71291979
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71291978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71291979 can be divided by 24 positive divisors.
The sum of these divisors (counting 71291979) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100001111111101010001001011
3
Ternary
11222011000012200
4
Quaternary
10033331101023
5
Quinary
121222320404
6
Senary
11024011243
8
Octal
417752113
10
Decimal
71291979
12
Duodecimal
1ba60b23
16
Hexadecimal
43fd44b
20
Vigesimal
125b9ij
36
Base36
16g18r
md5
291a972a0a80e242ec9be562e07cd420
sha1
13676dbae66eb59ec55d186574ded267e80e2e34
sha256
cdcd821c831e7347f0e1925961a3d704ba23c407de45812d08155e8dfba9d165
sha512
07fb50a552fde1c786b2263e4ce90a09d4c8ff338eb790f052e568dc92727f1cd9df82e03caf7a2ba8ff79f7b89c0204f5287dcd1c32afbbf122adf3b136d561
ripemd-160
d0efae8bebb5b1969f9247942e9d489ffe0c9574
Diameter
142583958
Circumference
447940714.97256
Area
1.5967290022534E+16
Volume
1.5177862732979E+24
Surface area
6.3869160090137E+16
Circumference
447940714.97256
Perimeter
285167916
Area
5082546269736441
Diagonal
100822083.59022
Surface area
30495277618418646
Volume
3.6234478192858E+23
Space diagonal
123481329.80013
Perimeter
213875937
Area
2.2008070927508E+15
Altitude
61740664.900067
Surface area
2.2008070927508E+15
Volume
4.2702742071543E+22
Height
33607361.196739