71355987 is an odd 8-digits composite number following 71355986
and preceding 71355988 . In scientific notation, it is written as 7.1355987 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 44605440 positive integers (up to 71355987) that are relatively prime to 71355987.
71355987 has 16 divisors, whose sum is 84261600
The reverse of 71355987 is 78955317
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million three hundred fifty-five thousand nine hundred eighty-seven
Scientific notation
7.1355987 × 10^7
Engineering notation
7.1355987 × 10^6
Prime Factorization
9 × 17 × 331 × 1409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71355987
Product of the distinct prime numbers
The prime factorization of 71355987 is 9 × 17 × 331 × 1409.
Since it has a total of 4 prime factors.
1 , 1 , 74 , 88 , 393 , 521 , 9759 , 1692 , 47289 , 69100 , 478166 , 555373 , 6846222 , 9642860 , 45053952 , 35444292 , 827696715 , 908045379 , 3449645089 , 8524780206
n×2
142711974
n×3
214067961
n×4
285423948
n×5
356779935
n÷2
35677993.5
n÷3
23785329
n÷3
17838996.75
n÷5
14271197.4
n2
5091676880744169
n3
3.6332162931058E+23
n4
2.5925173457905E+31
n5
1.849916340235E+39
2 √n
8447.247303116
3 √n
414.77267658627
4 √n
91.908907637486
5 √n
37.212263157769
1 , 9 , 17 , 153 , 331 , 1409 , 2979 , 5627 , 12681 , 23953 , 50643 , 215577 , 466379 , 4197411 , 7928443 , 71355987
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
-71355986
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 71355987 can be divided by 16 positive divisors.
The sum of these divisors (counting 71355987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000001100111001010011
3
Ternary
11222021021000100
4
Quaternary
10100030321103
5
Quinary
121231342422
6
Senary
11025223443
8
Octal
420147123
10
Decimal
71355987
12
Duodecimal
1ba91b83
16
Hexadecimal
440ce53
20
Vigesimal
125j9j7
36
Base36
16hemr
md5
7b934e3e7cbaca29f373879826e0b46a
sha1
112e1d44e3ef52e9ebd633b7073423c41ce261b5
sha256
c7e6af2f4607bd6c001e47b3627e8fa8d6a230e419348792fa77b8d9e74b8b27
sha512
f43bb70bf8ccb9528026aa6eaaa0655acebc4fbc19ff1dfc054bc1744a5b627852da0d3ffc2441e7057a90abff234c30aa87a99d6cd41447f467e3e495438181
ripemd-160
728016db1f98a296614b1b84a1a38ffd5dc7c46f
Diameter
142711974
Circumference
448342889.0977
Area
1.5995974682999E+16
Volume
1.5218780820432E+24
Surface area
6.3983898731995E+16
Circumference
448342889.0977
Perimeter
285423948
Area
5091676880744169
Diagonal
100912604.57192
Surface area
30550061284465014
Volume
3.6332162931058E+23
Space diagonal
123592194.90822
Perimeter
214067961
Area
2.2047607632932E+15
Altitude
61796097.454112
Surface area
2.2047607632932E+15
Volume
4.2817864639543E+22
Height
33637534.857306