71297988 is an even 8-digits composite number following 71297987
and preceding 71297989 . In scientific notation, it is written as 7.1297988 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 23745600 positive integers (up to 71297988) that are relatively prime to 71297988.
71297988 has 24 divisors, whose sum is 166504800
The reverse of 71297988 is 88979217
Previous prime number is 1801
Is Prime? no Number parity even Number length 8 Sum of Digits 51 Digital Root 6
Name
seventy-one million two hundred ninety-seven thousand nine hundred eighty-eight
Scientific notation
7.1297988 × 10^7
Engineering notation
7.1297988 × 10^6
Prime Factorization
2 × 2 × 3 × 1801 × 3299
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
35648994 Product of the distinct prime numbers
The prime factorization of 71297988 is 2 × 2 × 3 × 1801 × 3299.
Since it has a total of 5 prime factors.
8 , 5 , 15 , 15 , 92 , 97 , 4403 , 6115 , 60695 , 78909 , 273688 , 388962 , 3792398 , 1454421 , 12630228 , 63814152 , 510158685 , 670522535 , 4955296467 , 6460747525
n×2
142595976
n×3
213893964
n×4
285191952
n×5
356489940
n÷2
35648994
n÷3
23765996
n÷3
17824497
n÷5
14259597.6
n2
5083403092848144
n3
3.6243641271305E+23
n4
2.5840987004378E+31
n5
1.8424103813463E+39
2 √n8443.8135933949
3 √n414.6602687272
4 √n91.890225777255
5 √n37.20621187548
1 , 2 , 3 , 4 , 6 , 12 , 1801 , 3299 , 3602 , 5403 , 6598 , 7204 , 9897 , 10806 , 13196 , 19794 , 21612 , 39588 , 5941499 , 11882998 , 17824497 , 23765996 , 35648994 , 71297988
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
-71297987 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 71297988 can be divided by 24 positive divisors.
The sum of these divisors (counting 71297988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100001111111110101111000100
3
Ternary
11222011022110020
4
Quaternary
10033332233010
5
Quinary
121223013423
6
Senary
11024055140
8
Octal
417765704
10
Decimal
71297988
12
Duodecimal
1ba644b0
16
Hexadecimal
43febc4
20
Vigesimal
125c4j8
36
Base36
16g5vo
md5
1711c4ca424fb6be950a4bb78d50b6f1
sha1
1c173d3619a4c8c0cd98b504d8f2e1a059e49f60
sha256
d955499718f1d78d1b843b6e333761cd208b6a1550d202cd7a2982ebbe5c93fe
sha512
41488b869a2adda6e4449da74ee35b614cfc1626d41c2937dccaf9c69ba091509a09385e82b3097f4f45ce6d22081c83272acfe0f4a4c7a5147123623b11d61e
ripemd-160
03185a8ae23289d939ff2c1c4f1d41ec470bcc0f
Diameter
142595976
Circumference
447978470.63307
Area
1.5969981811727E+16
Volume
1.5181700954303E+24
Surface area
6.3879927246909E+16
Circumference
447978470.63307
Perimeter
285191952
Area
5083403092848144
Diagonal
100830581.59951
Surface area
30500418557088864
Volume
3.6243641271305E+23
Space diagonal
123491737.69344
Perimeter
213893964
Area
2.2011781080414E+15
Altitude
61745868.846718
Surface area
2.2011781080414E+15
Volume
4.2713540863054E+22
Height
33610193.866505