71638861 is an odd 8-digits composite number following 71638860
and preceding 71638862 . In scientific notation, it is written as 7.1638861 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 59423760 positive integers (up to 71638861) that are relatively prime to 71638861.
71638861 has 8 divisors, whose sum is 84514304
The reverse of 71638861 is 16883617
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-one million six hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
7.1638861 × 10^7
Engineering notation
7.1638861 × 10^6
Prime Factorization
7 × 31 × 330133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71638861
Product of the distinct prime numbers
The prime factorization of 71638861 is 7 × 31 × 330133.
Since it has a total of 3 prime factors.
5 , 9 , 53 , 65 , 647 , 800 , 5837 , 8813 , 49503 , 65619 , 890596 , 395059 , 4092587 , 1814220 , 33940550 , 44508140 , 758424417 , 694265738 , 3328147455 , 6683008487
n×2
143277722
n×3
214916583
n×4
286555444
n×5
358194305
n÷2
35819430.5
n÷3
23879620.333333
n÷3
17909715.25
n÷5
14327772.2
n2
5132126405377321
n3
3.6765969018926E+23
n4
2.6338721440771E+31
n5
1.8868760042131E+39
2 √n
8463.974302891
3 √n
415.32004344047
4 √n
91.999860341693
5 √n
37.241720334436
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71638860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71638861 can be divided by 8 positive divisors.
The sum of these divisors (counting 71638861) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010001010001111101001101
3
Ternary
11222210122001011
4
Quaternary
10101101331031
5
Quinary
121314420421
6
Senary
11035245221
8
Octal
421217515
10
Decimal
71638861
12
Duodecimal
1bba9811
16
Hexadecimal
4451f4d
20
Vigesimal
127eh31
36
Base36
16ngwd
md5
b8b0c88fef8f14a4083bfa263925eff3
sha1
2cc5574c8460a274a1740153cf69115f5523d914
sha256
3fcf6595ca2d714f7883813fe8610c676727b51fd8052f809dffe9bdb42edace
sha512
73b42b88d2c6e6f008e69339ec9912ec1a458726742c3ddbb37ae3d9cc9bb558968cb95b7726f252497e03553ec2a87b8ba1c8157de2e91a4b05e6c6463aa20c
ripemd-160
91fc153d475799d69a6d885b628fd8d762babe8f
Diameter
143277722
Circumference
450120238.85828
Area
1.6123050612428E+16
Volume
1.5400493089596E+24
Surface area
6.449220244971E+16
Circumference
450120238.85828
Perimeter
286555444
Area
5132126405377321
Diagonal
101312648.81916
Surface area
30792758432263926
Volume
3.6765969018926E+23
Space diagonal
124082147.04836
Perimeter
214916583
Area
2.2222759212448E+15
Altitude
62041073.524182
Surface area
2.2222759212448E+15
Volume
4.3329110016961E+22
Height
33770882.93972