71287957 is an odd 8-digits composite number following 71287956
and preceding 71287958 . In scientific notation, it is written as 7.1287957 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 65329200 positive integers (up to 71287957) that are relatively prime to 71287957.
71287957 has 8 divisors, whose sum is 77325920
The reverse of 71287957 is 75978217
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-one million two hundred eighty-seven thousand nine hundred fifty-seven
Scientific notation
7.1287957 × 10^7
Engineering notation
7.1287957 × 10^6
Prime Factorization
13 × 139 × 39451
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71287957
Product of the distinct prime numbers
The prime factorization of 71287957 is 13 × 139 × 39451.
Since it has a total of 3 prime factors.
5 , 2 , 96 , 81 , 221 , 536 , 4413 , 5404 , 66512 , 14495 , 361995 , 359330 , 4373125 , 3402090 , 4075489 , 64150131 , 565962016 , 943680211 , 2410866252 , 1640739845
n×2
142575914
n×3
213863871
n×4
285151828
n×5
356439785
n÷2
35643978.5
n÷3
23762652.333333
n÷3
17821989.25
n÷5
14257591.4
n2
5081972813233849
n3
3.6228345938498E+23
n4
2.5826447674448E+31
n5
1.8411146912788E+39
2 √n
8443.2195873375
3 √n
414.64082146389
4 √n
91.886993570023
5 √n
37.205164899186
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
-71287956
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 71287957 can be divided by 8 positive divisors.
The sum of these divisors (counting 71287957) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111111100010010010101
3
Ternary
11222010210200201
4
Quaternary
10033330102111
5
Quinary
121222203312
6
Senary
11023540501
8
Octal
417742225
10
Decimal
71287957
12
Duodecimal
1ba5a731
16
Hexadecimal
43fc495
20
Vigesimal
125ajhh
36
Base36
16fy51
md5
04627c60e1f41b837ec47307e47c6f82
sha1
51c61105da5b05c55ccec8ad3c4e6b6d95b9cc3f
sha256
21b92bd5e71b6be224c81517eca05c75adbfd04b01e4b048721ff6381e20f268
sha512
1afbe7971d9992ad3879e04c1721ae02e07dbe01dcdc8da27918c0bac184ba22612ae08511dccaea693a5b4836166b627ec27e6ce355bc786350553cf8f28ea6
ripemd-160
f806230a0046197c8c1e6eaa20a13329485c6cce
Diameter
142575914
Circumference
447915444.00125
Area
1.5965488455799E+16
Volume
1.5175294060279E+24
Surface area
6.3861953823194E+16
Circumference
447915444.00125
Perimeter
285151828
Area
5081972813233849
Diagonal
100816395.62327
Surface area
30491836879403094
Volume
3.6228345938498E+23
Space diagonal
123474363.49179
Perimeter
213863871
Area
2.2005587788012E+15
Altitude
61737181.745893
Surface area
2.2005587788012E+15
Volume
4.2695515140474E+22
Height
33605465.207757