71388568 is an even 8-digits composite number following 71388567
and preceding 71388569 . In scientific notation, it is written as 7.1388568 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 8 positive divisors.
There are 35694280 positive integers (up to 71388568) that are relatively prime to 71388568.
71388568 has 8 divisors, whose sum is 133853580
The reverse of 71388568 is 86588317
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-one million three hundred eighty-eight thousand five hundred sixty-eight
Scientific notation
7.1388568 × 10^7
Engineering notation
7.1388568 × 10^6
Prime Factorization
2 × 2 × 2 × 8923571
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
17847142
Product of the distinct prime numbers
The prime factorization of 71388568 is 2 × 2 × 2 × 8923571.
Since it has a total of 4 prime factors.
1 , 4 , 68 , 17 , 150 , 405 , 7275 , 1778 , 4178 , 2603 , 312098 , 523503 , 186391 , 824785 , 22604693 , 58411205 , 446514089 , 277836137 , 9562015072 , 3333018289
n×2
142777136
n×3
214165704
n×4
285554272
n×5
356942840
n÷2
35694284
n÷3
23796189.333333
n÷3
17847142
n÷5
14277713.6
n2
5096327641090624
n3
3.6381953235628E+23
n4
2.5972555425344E+31
n5
1.854143539116E+39
2 √n
8449.1755810848
3 √n
414.83579510366
4 √n
91.919397197136
5 √n
37.21566074618
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
-71388567
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 71388568 can be divided by 8 positive divisors.
The sum of these divisors (counting 71388568) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100110110011000
3
Ternary
11222022220201001
4
Quaternary
10100110312120
5
Quinary
121233413233
6
Senary
11030034344
8
Octal
420246630
10
Decimal
71388568
12
Duodecimal
1baa89b4
16
Hexadecimal
4414d98
20
Vigesimal
1263b88
36
Base36
16i3rs
md5
ec41a754669fc7144a94a2017fab271e
sha1
986aa11c8abe2fa529bdcb0fe1029b1a9de22c53
sha256
90cd0067578f55ff08bdb46e3e9bac0eab1d64a8a6c2955f57f6a7255598cf45
sha512
13d2dc534ad6d0f32a5ec64b09d7663ac8f5d3bf5294fe4e809f5e5c96f38440332831c10b3f416ef5e60b100573b2c07231186daaf6db063b60fc8819aeb537
ripemd-160
ba50abc65e0ce0a619d276f0b1ff32de54182655
Diameter
142777136
Circumference
448547601.55819
Area
1.6010585477537E+16
Volume
1.5239636934439E+24
Surface area
6.4042341910148E+16
Circumference
448547601.55819
Perimeter
285554272
Area
5096327641090624
Diagonal
100958681.06399
Surface area
30577965846543744
Volume
3.6381953235628E+23
Space diagonal
123648626.85559
Perimeter
214165704
Area
2.2067746015967E+15
Altitude
61824313.427793
Surface area
2.2067746015967E+15
Volume
4.2876543076207E+22
Height
33652893.687998