71287956 is an even 8-digits composite number following 71287955
and preceding 71287957 . In scientific notation, it is written as 7.1287956 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 23762640 positive integers (up to 71287956) that are relatively prime to 71287956.
71287956 has 12 divisors, whose sum is 138615540
The reverse of 71287956 is 65978217
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million two hundred eighty-seven thousand nine hundred fifty-six
Scientific notation
7.1287956 × 10^7
Engineering notation
7.1287956 × 10^6
Prime Factorization
2 × 2 × 9 × 1980221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35643978
Product of the distinct prime numbers
The prime factorization of 71287956 is 2 × 2 × 9 × 1980221.
Since it has a total of 4 prime factors.
8 , 10 , 40 , 63 , 895 , 112 , 796 , 6968 , 19564 , 6861 , 685652 , 295625 , 8617972 , 3949024 , 74123252 , 4450311 , 225592788 , 75670716 , 9828955425 , 1016843495
n×2
142575912
n×3
213863868
n×4
285151824
n×5
356439780
n÷2
35643978
n÷3
23762652
n÷3
17821989
n÷5
14257591.2
n2
5081972670657936
n3
3.6228344413907E+23
n4
2.5826446225314E+31
n5
1.8411145621466E+39
2 √n
8443.2195281184
3 √n
414.64081952509
4 √n
91.886993247785
5 √n
37.205164794806
1 , 2 , 4 , 9 , 18 , 36 , 1980221 , 3960442 , 7920884 , 17821989 , 35643978 , 71287956
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71287955
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71287956 can be divided by 12 positive divisors.
The sum of these divisors (counting 71287956) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100001111111100010010010100
3
Ternary
11222010210200200
4
Quaternary
10033330102110
5
Quinary
121222203311
6
Senary
11023540500
8
Octal
417742224
10
Decimal
71287956
12
Duodecimal
1ba5a730
16
Hexadecimal
43fc494
20
Vigesimal
125ajhg
36
Base36
16fy50
md5
5b215f893a7a54e18df44de4e22559ad
sha1
11aee9e6a34b57cef7e4c6ad8f21c2e5e49d4b26
sha256
b4b9a50d5a22bd9987ff62d1e80c98704591a15e24ec3e006df38064aba017f0
sha512
d5c00522b036b54ff156eb840d4cd12055b3fdb7da6a0d7a790fc4c58f75413ee30d242d4a92b142877f8008f44827b705cec898787438693a9db5f0d6b50da3
ripemd-160
ea5a96b1a6f9ef12047b1593e7707bfac9449936
Diameter
142575912
Circumference
447915437.71806
Area
1.5965488007883E+16
Volume
1.517529342166E+24
Surface area
6.3861952031532E+16
Circumference
447915437.71806
Perimeter
285151824
Area
5081972670657936
Diagonal
100816394.20906
Surface area
30491836023947616
Volume
3.6228344413907E+23
Space diagonal
123474361.75973
Perimeter
213863868
Area
2.200558717064E+15
Altitude
61737180.879867
Surface area
2.200558717064E+15
Volume
4.2695513343725E+22
Height
33605464.736352