71345985 is an odd 8-digits composite number following 71345984
and preceding 71345986 . In scientific notation, it is written as 7.1345985 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 37965312 positive integers (up to 71345985) that are relatively prime to 71345985.
71345985 has 16 divisors, whose sum is 114411264
The reverse of 71345985 is 58954317
Previous prime number is 463
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million three hundred forty-five thousand nine hundred eighty-five
Scientific notation
7.1345985 × 10^7
Engineering notation
7.1345985 × 10^6
Prime Factorization
3 × 5 × 463 × 10273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71345985
Product of the distinct prime numbers
The prime factorization of 71345985 is 3 × 5 × 463 × 10273.
Since it has a total of 4 prime factors.
1 , 2 , 41 , 50 , 618 , 858 , 609 , 3222 , 45220 , 45005 , 194267 , 593651 , 307424 , 1813389 , 37361305 , 58699839 , 847131726 , 205012640 , 5167656872 , 7622090494
n×2
142691970
n×3
214037955
n×4
285383940
n×5
356729925
n÷2
35672992.5
n÷3
23781995
n÷3
17836496.25
n÷5
14269197
n2
5090249575620225
n3
3.6316886986846E+23
n4
2.5910640742102E+31
n5
1.8486201857264E+39
2 √n
8446.6552551883
3 √n
414.75329605804
4 √n
91.905686740203
5 √n
37.211219887423
1 , 3 , 5 , 15 , 463 , 1389 , 2315 , 6945 , 10273 , 30819 , 51365 , 154095 , 4756399 , 14269197 , 23781995 , 71345985
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
-71345984
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 71345985 can be divided by 16 positive divisors.
The sum of these divisors (counting 71345985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000001010011101000001
3
Ternary
11222020202021220
4
Quaternary
10100022131001
5
Quinary
121231032420
6
Senary
11025105253
8
Octal
420123501
10
Decimal
71345985
12
Duodecimal
1ba88229
16
Hexadecimal
440a741
20
Vigesimal
125i4j5
36
Base36
16h6wx
md5
38859c2cfded075d522187614f4cb1f3
sha1
065233ddeeba579faeecd1753a90e5b7ea65c95e
sha256
3f6579c6b20aaee850b8454dadb195c4bb99a2ba09cbbdda0e0fa490d15c190d
sha512
4d37345028f3aadce7b0e295ce0ec90c0edf8b55aa8bf6e5f464bea4387e64a9b91ff1789753518c288f2a2ec6215d281a58fc5be05a4d94381ffcdc4643b175
ripemd-160
e8c4cb10b632b5ed32bca667631c9770ecfb74f5
Diameter
142691970
Circumference
448280044.67826
Area
1.5991490671707E+16
Volume
1.5212382047883E+24
Surface area
6.3965962686828E+16
Circumference
448280044.67826
Perimeter
285383940
Area
5090249575620225
Diagonal
100898459.60787
Surface area
30541497453721350
Volume
3.6316886986846E+23
Space diagonal
123574870.93605
Perimeter
214037955
Area
2.204142722045E+15
Altitude
61787435.468024
Surface area
2.204142722045E+15
Volume
4.279986176664E+22
Height
33632819.869289