71286988 is an even 8-digits composite number following 71286987
and preceding 71286989 . In scientific notation, it is written as 7.1286988 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 34414352 positive integers (up to 71286988) that are relatively prime to 71286988.
71286988 has 12 divisors, whose sum is 129054240
The reverse of 71286988 is 88968217
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-one million two hundred eighty-six thousand nine hundred eighty-eight
Scientific notation
7.1286988 × 10^7
Engineering notation
7.1286988 × 10^6
Prime Factorization
2 × 2 × 29 × 614543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35643494
Product of the distinct prime numbers
The prime factorization of 71286988 is 2 × 2 × 29 × 614543.
Since it has a total of 4 prime factors.
6 , 9 , 90 , 95 , 759 , 789 , 814 , 7654 , 79601 , 97085 , 986623 , 695490 , 5273376 , 2406396 , 92789036 , 42094660 , 240124530 , 297500724 , 2933805086 , 4556852294
n×2
142573976
n×3
213860964
n×4
285147952
n×5
356434940
n÷2
35643494
n÷3
23762329.333333
n÷3
17821747
n÷5
14257397.6
n2
5081834658112144
n3
3.6226868629082E+23
n4
2.582504349239E+31
n5
1.8409895655415E+39
2 √n
8443.1622038191
3 √n
414.63894275117
4 √n
91.886681318998
5 √n
37.20506375447
1 , 2 , 4 , 29 , 58 , 116 , 614543 , 1229086 , 2458172 , 17821747 , 35643494 , 71286988
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
-71286987
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 71286988 can be divided by 12 positive divisors.
The sum of these divisors (counting 71286988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100001111111100000011001100
3
Ternary
11222010202100211
4
Quaternary
10033330003030
5
Quinary
121222140423
6
Senary
11023532204
8
Octal
417740314
10
Decimal
71286988
12
Duodecimal
1ba5a064
16
Hexadecimal
43fc0cc
20
Vigesimal
125ah98
36
Base36
16fxe4
md5
c7990213ee3249fd3748a16c89c6190c
sha1
a139d69a55d56404435c88ffb6a3962de6ffd7c1
sha256
d8aab5fea0d8e5c7321724fac11f00d8ba3da4b6a9fbb2847b0222bd245eb600
sha512
48dc939951b0b751570edf7d7f95fffd24967ccd1fe685bb1bdf66e6ad1d25c7909ff8810cf31b95ec31711c8df5e249451eeb15509497e4dac89958d616eb1c
ripemd-160
5c033f4bd7ec6bce6fff1355130ff3674dc4e006
Diameter
142573976
Circumference
447909355.59469
Area
1.5965054428683E+16
Volume
1.5174675246358E+24
Surface area
6.3860217714732E+16
Circumference
447909355.59469
Perimeter
285147952
Area
5081834658112144
Diagonal
100815025.25033
Surface area
30491007948672864
Volume
3.6226868629082E+23
Space diagonal
123472685.13455
Perimeter
213860964
Area
2.2004989558787E+15
Altitude
61736342.567276
Surface area
2.2004989558787E+15
Volume
4.2693774114631E+22
Height
33605008.416776