71128215 is an odd 8-digits composite number following 71128214
and preceding 71128216 . In scientific notation, it is written as 7.1128215 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 37935024 positive integers (up to 71128215) that are relatively prime to 71128215.
71128215 has 4 divisors, whose sum is 72708888
The reverse of 71128215 is 51282117
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-one million one hundred twenty-eight thousand two hundred fifteen
Scientific notation
7.1128215 × 10^7
Engineering notation
7.1128215 × 10^6
Prime Factorization
45 × 1580627
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71128215
Product of the distinct prime numbers
The prime factorization of 71128215 is 45 × 1580627.
Since it has a total of 2 prime factors.
9 , 10 , 98 , 98 , 307 , 431 , 9642 , 6612 , 9828 , 25593 , 216983 , 603529 , 3003276 , 9614804 , 77370037 , 96649804 , 332773331 , 410703034 , 6206731833 , 6288371387
n×2
142256430
n×3
213384645
n×4
284512860
n×5
355641075
n÷2
35564107.5
n÷3
23709405
n÷3
17782053.75
n÷5
14225643
n2
5059222969086225
n3
3.598534990781E+23
n4
2.559573705093E+31
n5
1.820579088042E+39
2 √n
8433.7545019997
3 √n
414.3308808975
4 √n
91.835475182522
5 √n
37.188476072891
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71128214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71128215 can be divided by 4 positive divisors.
The sum of these divisors (counting 71128215) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001111010101010010010111
3
Ternary
11221211200120100
4
Quaternary
10033111102113
5
Quinary
121202100330
6
Senary
11020305143
8
Octal
417252227
10
Decimal
71128215
12
Duodecimal
1b9a21b3
16
Hexadecimal
43d5497
20
Vigesimal
124b0af
36
Base36
16civr
md5
68aa2997534cc7c5e8088f6451e613d3
sha1
012a2a168c675ff0fc081a7414fc1c2e04ad9d4e
sha256
7f59b3a995641470d6e4f0ff811ed0d6d6a4af60f055bf2900f036d211e20d88
sha512
0cc23b5fab689eb877472b1a0cb77fc6031c269a49668fb32bc5b8df7fee30bf1425d68d1e8432129461f2d8241cc3b6d5da8330aa3646bdfecbd9e103ec223d
ripemd-160
d25bcf4c0ec305cc4295297e6807f0c7888f23f0
Diameter
142256430
Circumference
446911755.41391
Area
1.5894017712554E+16
Volume
1.5073508120965E+24
Surface area
6.3576070850216E+16
Circumference
446911755.41391
Perimeter
284512860
Area
5059222969086225
Diagonal
100590486.32039
Surface area
30355337814517350
Volume
3.598534990781E+23
Space diagonal
123197682.23168
Perimeter
213384645
Area
2.1907078073192E+15
Altitude
61598841.115841
Surface area
2.1907078073192E+15
Volume
4.2409141571972E+22
Height
33530162.106796