71318987 is an odd 8-digits prime number following 71318986
and preceding 71318988 . In scientific notation, it is written as 7.1318987 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 71318986 positive integers (up to 71318987) that are relatively prime to 71318987.
71318987 has 2 divisors, whose sum is 71318988
The reverse of 71318987 is 78981317
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-one million three hundred eighteen thousand nine hundred eighty-seven
Scientific notation
7.1318987 × 10^7
Engineering notation
7.1318987 × 10^6
Prime Factorization
71318987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
71318987
Product of the distinct prime numbers
The prime factorization of 71318987 is 71318987.
Since it has a total of 1 prime factors.
2 , 4 , 46 , 69 , 768 , 126 , 6119 , 4858 , 94089 , 32187 , 554246 , 77306 , 9687808 , 144395 , 49594753 , 56366689 , 465019467 , 613471852 , 3139042927 , 8126298401
n×2
142637974
n×3
213956961
n×4
285275948
n×5
356594935
n÷2
35659493.5
n÷3
23772995.666667
n÷3
17829746.75
n÷5
14263797.4
n2
5086397906706169
n3
3.627567461852E+23
n4
2.5871443665345E+31
n5
1.84512515444E+39
2 √n
8445.0569565871
3 √n
414.70097392574
4 √n
91.896991009429
5 √n
37.208403245075
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
71318988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
35659494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8445.0570157933
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999971957
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71318987 can be divided by 2 positive divisors.
The sum of these divisors (counting 71318987) is 71318988, the average is 35659494.
Base
System
Value
2
Binary
100010000000011110111001011
3
Ternary
11222012101020222
4
Quaternary
10100003313023
5
Quinary
121224201422
6
Senary
11024340255
8
Octal
420036713
10
Decimal
71318987
12
Duodecimal
1ba7468b
16
Hexadecimal
4403dcb
20
Vigesimal
125eh97
36
Base36
16gm2z
md5
2982f84f68476947609a7985e388f8f6
sha1
57f72453fe176ca82d0b86a7d2759e5780c124e3
sha256
97b390cd74d4a0b8e443a883f9fd541805396019262d9c7cd5cbcc9de36912f9
sha512
b875a4426ba1550a9ccf1325dc952d270df73537120b75438172745e54cb8f8dcffdd1b97c22d69ee29ab27794ab5e09fbf80fa759ce2c6a8ef010ff6780655b
ripemd-160
0b508f88af74a3c62303763908dfb9ee72d3fe29
Diameter
142637974
Circumference
448110411.24133
Area
1.5979390296943E+16
Volume
1.5195119051408E+24
Surface area
6.391756118777E+16
Circumference
448110411.24133
Perimeter
285275948
Area
5086397906706169
Diagonal
100860278.67011
Surface area
30518387440237014
Volume
3.627567461852E+23
Space diagonal
123528109.02834
Perimeter
213956961
Area
2.2024749004818E+15
Altitude
61764054.514172
Surface area
2.2024749004818E+15
Volume
4.2751292524788E+22
Height
33620092.890037