71397687 is an odd 8-digits composite number following 71397686
and preceding 71397688 . In scientific notation, it is written as 7.1397687 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 43476480 positive integers (up to 71397687) that are relatively prime to 71397687.
71397687 has 16 divisors, whose sum is 96445440
The reverse of 71397687 is 78679317
Previous prime number is 779
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-one million three hundred ninety-seven thousand six hundred eighty-seven
Scientific notation
7.1397687 × 10^7
Engineering notation
7.1397687 × 10^6
Prime Factorization
3 × 137 × 779 × 223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71397687
Product of the distinct prime numbers
The prime factorization of 71397687 is 3 × 137 × 779 × 223.
Since it has a total of 4 prime factors.
7 , 4 , 90 , 89 , 632 , 974 , 6119 , 3968 , 77165 , 67593 , 578253 , 164680 , 6922205 , 4211807 , 57174712 , 46782128 , 885805580 , 663098005 , 4349833721 , 7251881305
n×2
142795374
n×3
214193061
n×4
285590748
n×5
356988435
n÷2
35698843.5
n÷3
23799229
n÷3
17849421.75
n÷5
14279537.4
n2
5097629708949969
n3
3.6395897040151E+23
n4
2.5985828649569E+31
n5
1.8553280603576E+39
2 √n
8449.7152023012
3 √n
414.8534577195
4 √n
91.922332445936
5 √n
37.216611464989
1 , 3 , 137 , 223 , 411 , 669 , 779 , 2337 , 30551 , 91653 , 106723 , 173717 , 320169 , 521151 , 23799229 , 71397687
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71397686
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71397687 can be divided by 16 positive divisors.
The sum of these divisors (counting 71397687) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010111000100110111
3
Ternary
11222100101012210
4
Quaternary
10100113010313
5
Quinary
121234211222
6
Senary
11030144503
8
Octal
420270467
10
Decimal
71397687
12
Duodecimal
1bab2133
16
Hexadecimal
4417137
20
Vigesimal
1264e47
36
Base36
16iat3
md5
ea3b5a48b3f2223e56801333a727d796
sha1
1da279db213e40e4202680c3934d1f3a3f7edc20
sha256
ed3d99939f53bbc01ab23ef5d8af591638ab1c0dc3f97c436ba90630a9af91f9
sha512
17a5d665e8dd6305d52693f34a947fa36c853a2f0b9e2e2cccc468593e222af2e23ceb4b4562232a9a6632a93cbd731b2e7fb2c3e01712987fb48750f6a11ffa
ripemd-160
f93f1bc99a075e5657d3ff615550fef706173434
Diameter
142795374
Circumference
448604897.92501
Area
1.6014676044358E+16
Volume
1.524547770162E+24
Surface area
6.4058704177433E+16
Circumference
448604897.92501
Perimeter
285590748
Area
5097629708949969
Diagonal
100971577.27747
Surface area
30585778253699814
Volume
3.6395897040151E+23
Space diagonal
123664421.4269
Perimeter
214193061
Area
2.2073384135185E+15
Altitude
61832210.71345
Surface area
2.2073384135185E+15
Volume
4.289297600743E+22
Height
33657192.425823