71387291 is an odd 8-digits prime number following 71387290
and preceding 71387292 . In scientific notation, it is written as 7.1387291 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 71387290 positive integers (up to 71387291) that are relatively prime to 71387291.
71387291 has 2 divisors, whose sum is 71387292
The reverse of 71387291 is 19278317
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million three hundred eighty-seven thousand two hundred ninety-one
Scientific notation
7.1387291 × 10^7
Engineering notation
7.1387291 × 10^6
Prime Factorization
71387291
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
71387291
Product of the distinct prime numbers
The prime factorization of 71387291 is 71387291.
Since it has a total of 1 prime factors.
10 , 9 , 46 , 51 , 551 , 229 , 4319 , 9986 , 80465 , 3181 , 171706 , 647361 , 7004609 , 568264 , 68735646 , 17561110 , 441203286 , 824711745 , 1954015221 , 8373346709
n×2
142774582
n×3
214161873
n×4
285549164
n×5
356936455
n÷2
35693645.5
n÷3
23795763.666667
n÷3
17846822.75
n÷5
14277458.2
n2
5096145316318681
n3
3.6380000867433E+23
n4
2.5970697085037E+31
n5
1.8539777102824E+39
2 √n
8449.1000112438
3 √n
414.83332155883
4 √n
91.918986130417
5 √n
37.215527602344
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
71387292
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
35693646
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8449.1000704217
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999719838
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71387291 can be divided by 2 positive divisors.
The sum of these divisors (counting 71387291) is 71387292, the average is 35693646.
Base
System
Value
2
Binary
100010000010100100010011011
3
Ternary
11222022211221202
4
Quaternary
10100110202123
5
Quinary
121233343131
6
Senary
11030024415
8
Octal
420244233
10
Decimal
71387291
12
Duodecimal
1baa810b
16
Hexadecimal
441489b
20
Vigesimal
126384b
36
Base36
16i2sb
md5
f9b823ec29e9296e3740754ffd17cd01
sha1
824a8789919c88791cf26e911c1fead2d5b72339
sha256
5465caf9fb475e0e4b5309724d4ff0b235ae80fa7ad7a60067b7406a8c9605f3
sha512
54f342d11d96b848f1a0822a6346ae5c06649bb9d4d153f6f91f37240b0df5db92eb5e3bb44553db55866f982485bfc1e2476b7946a972f6675cf5df8b1e31cb
ripemd-160
2991464360cab1963735526d689a80b8e5ad7624
Diameter
142774582
Circumference
448539577.93055
Area
1.6010012687373E+16
Volume
1.5238819128362E+24
Surface area
6.4040050749491E+16
Circumference
448539577.93055
Perimeter
285549164
Area
5096145316318681
Diagonal
100956875.11327
Surface area
30576871897912086
Volume
3.6380000867433E+23
Space diagonal
123646415.0267
Perimeter
214161873
Area
2.2066956526545E+15
Altitude
61823207.513352
Surface area
2.2066956526545E+15
Volume
4.2874242188224E+22
Height
33652291.704425