71985087 is an odd 8-digits composite number following 71985086
and preceding 71985088 . In scientific notation, it is written as 7.1985087 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 47936448 positive integers (up to 71985087) that are relatively prime to 71985087.
71985087 has 8 divisors, whose sum is 80072800
The reverse of 71985087 is 78058917
Previous prime number is 1009
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million nine hundred eighty-five thousand eighty-seven
Scientific notation
7.1985087 × 10^7
Engineering notation
7.1985087 × 10^6
Prime Factorization
9 × 1009 × 7927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71985087
Product of the distinct prime numbers
The prime factorization of 71985087 is 9 × 1009 × 7927.
Since it has a total of 3 prime factors.
1 , 4 , 11 , 52 , 736 , 489 , 5704 , 8199 , 58637 , 95620 , 874893 , 634495 , 9082778 , 7557442 , 24247971 , 52785421 , 632800905 , 831955562 , 7436613506 , 4806084473
n×2
143970174
n×3
215955261
n×4
287940348
n×5
359925435
n÷2
35992543.5
n÷3
23995029
n÷3
17996271.75
n÷5
14397017.4
n2
5181852750397569
n3
3.7301612105856E+23
n4
2.6851597926803E+31
n5
1.9329146128499E+39
2 √n
8484.4025717784
3 √n
415.98804013631
4 √n
92.110816801168
5 √n
37.277648313394
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
-71985086
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 71985087 can be divided by 8 positive divisors.
The sum of these divisors (counting 71985087) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010100110011110111111
3
Ternary
12000110012222100
4
Quaternary
10102212132333
5
Quinary
121412010322
6
Senary
11050520143
8
Octal
422463677
10
Decimal
71985087
12
Duodecimal
20136053
16
Hexadecimal
44a67bf
20
Vigesimal
129i2e7
36
Base36
16uw1r
md5
458f6125dbd5d323e2964e70bcdf1828
sha1
5ce259d272c3bf13f12ccf08c1382e6fa66453a5
sha256
d2c669cef2f67cb32e16681d63716f24857a04c0c6b057623e665699a74381f7
sha512
c08599b14f5a10c6aac19fad8c5d86e61f7a1aedde688c280908e087f5beaa5c1514a35435fee9258c1030a9420fe18285d1c221a5ca685df74b16feed5afa1a
ripemd-160
4b213a859c722837e46cfa5a763cdf7aff2ace51
Diameter
143970174
Circumference
452295640.97444
Area
1.6279270532633E+16
Volume
1.5624862741175E+24
Surface area
6.5117082130532E+16
Circumference
452295640.97444
Perimeter
287940348
Area
5181852750397569
Diagonal
101802286.32401
Surface area
31091116502385414
Volume
3.7301612105856E+23
Space diagonal
124681828.07127
Perimeter
215955261
Area
2.2438080602573E+15
Altitude
62340914.035633
Surface area
2.2438080602573E+15
Volume
4.3960371448735E+22
Height
33934095.441336