71640894 is an even 8-digits composite number following 71640893
and preceding 71640895 . In scientific notation, it is written as 7.1640894 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 21996000 positive integers (up to 71640894) that are relatively prime to 71640894.
71640894 has 32 divisors, whose sum is 154635264
The reverse of 71640894 is 49804617
Previous prime number is 751
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million six hundred forty thousand eight hundred ninety-four
Scientific notation
7.1640894 × 10^7
Engineering notation
7.1640894 × 10^6
Prime Factorization
2 × 13 × 3 × 751 × 1223
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71640894
Product of the distinct prime numbers
The prime factorization of 71640894 is 2 × 13 × 3 × 751 × 1223.
Since it has a total of 5 prime factors.
1 , 10 , 11 , 16 , 444 , 362 , 9876 , 5650 , 89124 , 46816 , 393750 , 7960 , 8930744 , 8510789 , 1357357 , 46770203 , 448999583 , 292314592 , 7851319065 , 6243042824
n×2
143281788
n×3
214922682
n×4
286563576
n×5
358204470
n÷2
35820447
n÷3
23880298
n÷3
17910223.5
n÷5
14328178.8
n2
5132417693119236
n3
3.6769099191648E+23
n4
2.6341711376643E+31
n5
1.8871437525127E+39
2 √n
8464.0943992845
3 √n
415.32397211665
4 √n
92.000513038159
5 √n
37.241931704514
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 751 , 1223 , 1502 , 2253 , 2446 , 3669 , 4506 , 7338 , 9763 , 15899 , 19526 , 29289 , 31798 , 47697 , 58578 , 95394 , 918473 , 1836946 , 2755419 , 5510838 , 11940149 , 23880298 , 35820447 , 71640894
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71640893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71640894 can be divided by 32 positive divisors.
The sum of these divisors (counting 71640894) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010001010010011100111110
3
Ternary
11222210201211110
4
Quaternary
10101102130332
5
Quinary
121320002034
6
Senary
11035302450
8
Octal
421223476
10
Decimal
71640894
12
Duodecimal
1bbaaa26
16
Hexadecimal
445273e
20
Vigesimal
127f24e
36
Base36
16nigu
md5
85f52486e6ab5075279a70d440e02190
sha1
e889404dd6efdcb0297ed94724f14742b7a4af5e
sha256
fab50a1463175bdf145254f1db0b06f5a046f18db303169dfc2edb802838c1a2
sha512
121eda4dc476d9b81465ee5492ad000cce44505c9d359e6014e4c0ba5d4ea7513373bc15ae9da8e31ecefa982a26d58468122d26e194cea582874606df8c02db
ripemd-160
1bdb91888211e5c4945b4e61eca429b0c9b71e84
Diameter
143281788
Circumference
450133012.57401
Area
1.6123965719858E+16
Volume
1.5401804253279E+24
Surface area
6.4495862879431E+16
Circumference
450133012.57401
Perimeter
286563576
Area
5132417693119236
Diagonal
101315523.91533
Surface area
30794506158715416
Volume
3.6769099191648E+23
Space diagonal
124085668.30766
Perimeter
214922682
Area
2.222402052537E+15
Altitude
62042834.153828
Surface area
2.222402052537E+15
Volume
4.3332798960892E+22
Height
33771841.305111