71388737 is an odd 8-digits composite number following 71388736
and preceding 71388738 . In scientific notation, it is written as 7.1388737 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 61054560 positive integers (up to 71388737) that are relatively prime to 71388737.
71388737 has 12 divisors, whose sum is 83228436
The reverse of 71388737 is 73788317
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-one million three hundred eighty-eight thousand seven hundred thirty-seven
Scientific notation
7.1388737 × 10^7
Engineering notation
7.1388737 × 10^6
Prime Factorization
7 × 7 × 541 × 2693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10198391
Product of the distinct prime numbers
The prime factorization of 71388737 is 7 × 7 × 541 × 2693.
Since it has a total of 4 prime factors.
7 , 5 , 32 , 94 , 230 , 97 , 243 , 9624 , 15548 , 25289 , 927519 , 610112 , 7085229 , 9806333 , 25706438 , 18450682 , 906214839 , 384268114 , 4081617889 , 7795105537
n×2
142777474
n×3
214166211
n×4
285554948
n×5
356943685
n÷2
35694368.5
n÷3
23796245.666667
n÷3
17847184.25
n÷5
14277747.4
n2
5096351770455169
n3
3.6382211620051E+23
n4
2.5972801368222E+31
n5
1.8541654860292E+39
2 √n
8449.1855820546
3 √n
414.8361224539
4 √n
91.919451597878
5 √n
37.215678366482
1 , 7 , 49 , 541 , 2693 , 3787 , 18851 , 26509 , 131957 , 1456913 , 10198391 , 71388737
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388736
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388737 can be divided by 12 positive divisors.
The sum of these divisors (counting 71388737) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010000010100111001000001
3
Ternary
11222022220221022
4
Quaternary
10100110321001
5
Quinary
121233414422
6
Senary
11030035225
8
Octal
420247101
10
Decimal
71388737
12
Duodecimal
1baa8b15
16
Hexadecimal
4414e41
20
Vigesimal
1263bgh
36
Base36
16i3wh
md5
7d881224bf14da4216e670e175d54be0
sha1
3f3ec1a325c7ada31f8fc4da0eb3bee8348b29d5
sha256
9e581da00cab8fe31e9cb68db25223629bc26f5b384681b9df8c994d12fe9fd8
sha512
c0bc4b747d465d88dd05fdaf0545ff229f9e385b543d592fd3c5b741f3542c019351f8d56ba9cf414da809f758f74eed131e378f840967ec261b321528faff3c
ripemd-160
de688d85cdb908f9887ab4249f9b4e51b98c7bc0
Diameter
142777474
Circumference
448548663.41651
Area
1.6010661282171E+16
Volume
1.5239745166253E+24
Surface area
6.4042645128685E+16
Circumference
448548663.41651
Perimeter
285554948
Area
5096351770455169
Diagonal
100958920.06609
Surface area
30578110622731014
Volume
3.6382211620051E+23
Space diagonal
123648919.57217
Perimeter
214166211
Area
2.206785049918E+15
Altitude
61824459.786086
Surface area
2.206785049918E+15
Volume
4.287684758517E+22
Height
33652973.355362