71318021 is an odd 8-digits composite number following 71318020
and preceding 71318022 . In scientific notation, it is written as 7.1318021 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 71301132 positive integers (up to 71318021) that are relatively prime to 71318021.
71318021 has 4 divisors, whose sum is 71334912
The reverse of 71318021 is 12081317
Previous prime number is 8443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
seventy-one million three hundred eighteen thousand twenty-one
Scientific notation
7.1318021 × 10^7
Engineering notation
7.1318021 × 10^6
Prime Factorization
8443 × 8447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71318021
Product of the distinct prime numbers
The prime factorization of 71318021 is 8443 × 8447.
Since it has a total of 2 prime factors.
3 , 8 , 100 , 91 , 642 , 107 , 728 , 6405 , 33010 , 96736 , 487302 , 135874 , 9114566 , 212679 , 87913331 , 79344107 , 833461349 , 312759134 , 9544183667 , 631016066
n×2
142636042
n×3
213954063
n×4
285272084
n×5
356590105
n÷2
35659010.5
n÷3
23772673.666667
n÷3
17829505.25
n÷5
14263604.2
n2
5086260119356441
n3
3.6274200600373E+23
n4
2.5870042001756E+31
n5
1.8450001987521E+39
2 √n
8444.9997631735
3 √n
414.69910157277
4 √n
91.896679826713
5 √n
37.208302448601
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71318020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71318021 can be divided by 4 positive divisors.
The sum of these divisors (counting 71318021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000000011101000000101
3
Ternary
11222012022221012
4
Quaternary
10100003220011
5
Quinary
121224134041
6
Senary
11024332005
8
Octal
420035005
10
Decimal
71318021
12
Duodecimal
1ba74005
16
Hexadecimal
4403a05
20
Vigesimal
125ef11
36
Base36
16glc5
md5
9f815b7bf6b1e72762108df6f91d930c
sha1
3ae03c9726161b99fda1f93dcdd0479eb845f7e5
sha256
a88fcbf444a4f5a7a5ff71f1b69cf672f02e2ad67a68da7c510df4d52c10142f
sha512
eedfc1a47d3e2c0990d37902dbd76549c6e4cf03f63d083512587fe92cf153647cea16286e541e0df0e48e81b72e0a935978aef70f826ca3e9678b8e674204c1
ripemd-160
c6da8771240d01ace3c53e306bff51b59e3027ee
Diameter
142636042
Circumference
448104341.68433
Area
1.5978957425217E+16
Volume
1.519450161613E+24
Surface area
6.3915829700868E+16
Circumference
448104341.68433
Perimeter
285272084
Area
5086260119356441
Diagonal
100858912.53981
Surface area
30517560716138646
Volume
3.6274200600373E+23
Space diagonal
123526435.86726
Perimeter
213954063
Area
2.2024152368092E+15
Altitude
61763217.933632
Surface area
2.2024152368092E+15
Volume
4.2749555377741E+22
Height
33619637.51327