71319987 is an odd 8-digits composite number following 71319986
and preceding 71319988 . In scientific notation, it is written as 7.1319987 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 45479016 positive integers (up to 71319987) that are relatively prime to 71319987.
71319987 has 16 divisors, whose sum is 110254080
The reverse of 71319987 is 78991317
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million three hundred nineteen thousand nine hundred eighty-seven
Scientific notation
7.1319987 × 10^7
Engineering notation
7.1319987 × 10^6
Prime Factorization
9 × 3 × 23 × 114847
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71319987
Product of the distinct prime numbers
The prime factorization of 71319987 is 9 × 3 × 23 × 114847.
Since it has a total of 4 prime factors.
4 , 2 , 91 , 6 , 480 , 250 , 8340 , 2528 , 12168 , 73446 , 271414 , 530901 , 7562740 , 5346482 , 42738836 , 18588234 , 927482674 , 619079869 , 2505920625 , 8766226107
n×2
142639974
n×3
213959961
n×4
285279948
n×5
356599935
n÷2
35659993.5
n÷3
23773329
n÷3
17829996.75
n÷5
14263997.4
n2
5086540545680169
n3
3.6277200559288E+23
n4
2.5872894722848E+31
n5
1.8452545152859E+39
2 √n
8445.1161626114
3 √n
414.70291216151
4 √n
91.897313141416
5 √n
37.208507588101
1 , 3 , 9 , 23 , 27 , 69 , 207 , 621 , 114847 , 344541 , 1033623 , 2641481 , 3100869 , 7924443 , 23773329 , 71319987
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
-71319986
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 71319987 can be divided by 16 positive divisors.
The sum of these divisors (counting 71319987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000000100000110110011
3
Ternary
11222012102122000
4
Quaternary
10100010012303
5
Quinary
121224214422
6
Senary
11024345043
8
Octal
420040663
10
Decimal
71319987
12
Duodecimal
1ba75183
16
Hexadecimal
44041b3
20
Vigesimal
125ejj7
36
Base36
16gmur
md5
25c6c8766719c5374efb15ceb10ba011
sha1
afdad33df7463f7ee718cfd07f1f48799d857e21
sha256
65a33c16e3d0da64ca8fe2d31726375a192f2e380f321eb468e220e755db69d5
sha512
cf097c18f0e4e9a3fa75677f6b58c4a430efe3dd8a1a207230a9efa65b8325c39fd96a8ad571313a813055a13a0aa04ddcd3b1986115ed2162a17bcdf97bb55c
ripemd-160
40d21a95e77c109160e88b9ac56c8cf3740dcf82
Diameter
142639974
Circumference
448116694.42664
Area
1.5979838410495E+16
Volume
1.5195758235982E+24
Surface area
6.3919353641982E+16
Circumference
448116694.42664
Perimeter
285279948
Area
5086540545680169
Diagonal
100861692.88367
Surface area
30519243274081014
Volume
3.6277200559288E+23
Space diagonal
123529841.07915
Perimeter
213959961
Area
2.2025366649693E+15
Altitude
61764920.539576
Surface area
2.2025366649693E+15
Volume
4.2753090863229E+22
Height
33620564.294558