71319985 is an odd 8-digits composite number following 71319984
and preceding 71319986 . In scientific notation, it is written as 7.1319985 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 51869040 positive integers (up to 71319985) that are relatively prime to 71319985.
71319985 has 4 divisors, whose sum is 72616768
The reverse of 71319985 is 58991317
Previous prime number is 55
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred nineteen thousand nine hundred eighty-five
Scientific notation
7.1319985 × 10^7
Engineering notation
7.1319985 × 10^6
Prime Factorization
55 × 1296727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71319985
Product of the distinct prime numbers
The prime factorization of 71319985 is 55 × 1296727.
Since it has a total of 2 prime factors.
7 , 6 , 43 , 45 , 652 , 587 , 5620 , 141 , 98395 , 6653 , 956762 , 361164 , 7675903 , 1714998 , 10299553 , 97707550 , 642791725 , 506240262 , 1899065951 , 4131329611
n×2
142639970
n×3
213959955
n×4
285279940
n×5
356599925
n÷2
35659992.5
n÷3
23773328.333333
n÷3
17829996.25
n÷5
14263997
n2
5086540260400225
n3
3.6277197507364E+23
n4
2.5872891820672E+31
n5
1.845254256557E+39
2 √n
8445.1160441997
3 √n
414.70290828506
4 √n
91.897312497155
5 √n
37.208507379416
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
-71319984
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 71319985 can be divided by 4 positive divisors.
The sum of these divisors (counting 71319985) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000000100000110110001
3
Ternary
11222012102121221
4
Quaternary
10100010012301
5
Quinary
121224214420
6
Senary
11024345041
8
Octal
420040661
10
Decimal
71319985
12
Duodecimal
1ba75181
16
Hexadecimal
44041b1
20
Vigesimal
125ejj5
36
Base36
16gmup
md5
6682cedbbce3301680ac68919b4c163f
sha1
992def42b3806a12c0a8497247f409a594813338
sha256
5517f973e148fade2394efe9e8874684af9aa5adc3f161aec1f806ddb8768c1c
sha512
8b660f16fd9ad7fed0a39eb60e0ea380dec5775d8a00bf4de9a4acef8f44d04cd08d297e1eaa070adeb5634bd2502ce59e1928e3161cf73c15876815a2864fca
ripemd-160
5a4473d53d3fc3656c0184d0da63818fa644cb07
Diameter
142639970
Circumference
448116681.86027
Area
1.5979837514262E+16
Volume
1.5195756957595E+24
Surface area
6.3919350057048E+16
Circumference
448116681.86027
Perimeter
285279940
Area
5086540260400225
Diagonal
100861690.05525
Surface area
30519241562401350
Volume
3.6277197507364E+23
Space diagonal
123529837.61505
Perimeter
213959955
Area
2.2025365414395E+15
Altitude
61764918.807525
Surface area
2.2025365414395E+15
Volume
4.2753087266501E+22
Height
33620563.351749