71293945 is an odd 8-digits composite number following 71293944
and preceding 71293946 . In scientific notation, it is written as 7.1293945 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 56312880 positive integers (up to 71293945) that are relatively prime to 71293945.
71293945 has 4 divisors, whose sum is 71474832
The reverse of 71293945 is 54939217
Previous prime number is 395
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-one million two hundred ninety-three thousand nine hundred forty-five
Scientific notation
7.1293945 × 10^7
Engineering notation
7.1293945 × 10^6
Prime Factorization
395 × 180491
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71293945
Product of the distinct prime numbers
The prime factorization of 71293945 is 395 × 180491.
Since it has a total of 2 prime factors.
3 , 8 , 82 , 18 , 138 , 340 , 319 , 5763 , 85600 , 26052 , 249609 , 63217 , 7651487 , 9244142 , 61580517 , 83506636 , 221485324 , 118806333 , 2612276076 , 470744205
n×2
142587890
n×3
213881835
n×4
285175780
n×5
356469725
n÷2
35646972.5
n÷3
23764648.333333
n÷3
17823486.25
n÷5
14258789
n2
5082826593663025
n3
3.6237475961315E+23
n4
2.5835126181248E+31
n5
1.841888065034E+39
2 √n
8443.5741839579
3 √n
414.6524307166
4 √n
91.888923075406
5 √n
37.205789905293
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
-71293944
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 71293945 can be divided by 4 positive divisors.
The sum of these divisors (counting 71293945) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001111111101101111111001
3
Ternary
11222011002220111
4
Quaternary
10033331233321
5
Quinary
121222401240
6
Senary
11024024321
8
Octal
417755771
10
Decimal
71293945
12
Duodecimal
1ba620a1
16
Hexadecimal
43fdbf9
20
Vigesimal
125beh5
36
Base36
16g2rd
md5
1cc0e839dd7b4706750828644238437c
sha1
85d0f24bc5db74728a46245e6aecf729eb142339
sha256
e2139c5500b9f4b0b125014cc899ad440eedac41fc6cf2c6f3067fc3fef81ad2
sha512
3fbffc47c0582611eab4fb863039d88ab80d200ece7959fd8e325d36c235daa58d4a0905610a76ae91cecb159ce62d0ef128e1ed8bf739a8aaf4e5b91218506c
ripemd-160
67ba1e2d92247b4bbc294dd7faa116c487e0bae1
Diameter
142587890
Circumference
447953067.71487
Area
1.5968170686123E+16
Volume
1.5179118435294E+24
Surface area
6.387268274449E+16
Circumference
447953067.71487
Perimeter
285175780
Area
5082826593663025
Diagonal
100824863.93408
Surface area
30496959561978150
Volume
3.6237475961315E+23
Space diagonal
123484735.01202
Perimeter
213881835
Area
2.2009284765717E+15
Altitude
61742367.506011
Surface area
2.2009284765717E+15
Volume
4.270627497555E+22
Height
33608287.978027