71345981 is an odd 8-digits composite number following 71345980
and preceding 71345982 . In scientific notation, it is written as 7.1345981 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 60763248 positive integers (up to 71345981) that are relatively prime to 71345981.
71345981 has 8 divisors, whose sum is 82058880
The reverse of 71345981 is 18954317
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million three hundred forty-five thousand nine hundred eighty-one
Scientific notation
7.1345981 × 10^7
Engineering notation
7.1345981 × 10^6
Prime Factorization
7 × 157 × 64919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71345981
Product of the distinct prime numbers
The prime factorization of 71345981 is 7 × 157 × 64919.
Since it has a total of 3 prime factors.
7 , 1 , 46 , 13 , 551 , 996 , 9886 , 5562 , 23383 , 76467 , 202749 , 647241 , 7672962 , 3238279 , 25044753 , 2267036 , 133689740 , 148666560 , 6162207439 , 9299679451
n×2
142691962
n×3
214037943
n×4
285383924
n×5
356729905
n÷2
35672990.5
n÷3
23781993.666667
n÷3
17836495.25
n÷5
14269196.2
n2
5090249004852361
n3
3.6316880878547E+23
n4
2.59106349314E+31
n5
1.8486196675136E+39
2 √n
8446.6550184082
3 √n
414.75328830701
4 √n
91.905685452034
5 √n
37.211219470175
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
-71345980
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 71345981 can be divided by 8 positive divisors.
The sum of these divisors (counting 71345981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000001010011100111101
3
Ternary
11222020202021202
4
Quaternary
10100022130331
5
Quinary
121231032411
6
Senary
11025105245
8
Octal
420123475
10
Decimal
71345981
12
Duodecimal
1ba88225
16
Hexadecimal
440a73d
20
Vigesimal
125i4j1
36
Base36
16h6wt
md5
de01b00bf5048e2d76701f0aacdc8904
sha1
3ff9a1a00195b5845ceb50375b91ff8104041278
sha256
10abb057038c79e5e6c90cf10007d3ae1c348573cfa14c789a43aa8eef5da005
sha512
f18784d8a02d29afe0b3f33840b21dff28da36a793e4e72db7d9a6e9c72857c03391ceba44d7b9439131f5bf31712a20dcbf40bceaf70170810ae2564b03b92b
ripemd-160
3826d4d31eeffc1a3462cd1964ff21b60c0041a4
Diameter
142691962
Circumference
448280019.54551
Area
1.5991488878587E+16
Volume
1.5212379489245E+24
Surface area
6.3965955514348E+16
Circumference
448280019.54551
Perimeter
285383924
Area
5090249004852361
Diagonal
100898453.95101
Surface area
30541494029114166
Volume
3.6316880878547E+23
Space diagonal
123574864.00784
Perimeter
214037943
Area
2.2041424748953E+15
Altitude
61787432.003922
Surface area
2.2041424748953E+15
Volume
4.2799854567941E+22
Height
33632817.983671