85728131 is an odd 8-digits prime number following 85728130
and preceding 85728132 . In scientific notation, it is written as 8.5728131 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 85728130 positive integers (up to 85728131) that are relatively prime to 85728131.
85728131 has 2 divisors, whose sum is 85728132
The reverse of 85728131 is 13182758
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-five million seven hundred twenty-eight thousand one hundred thirty-one
Scientific notation
8.5728131 × 10^7
Engineering notation
8.5728131 × 10^6
Prime Factorization
85728131
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
85728131
Product of the distinct prime numbers
The prime factorization of 85728131 is 85728131.
Since it has a total of 1 prime factors.
2 , 5 , 81 , 15 , 510 , 904 , 2124 , 1319 , 55901 , 54404 , 547814 , 632332 , 2747641 , 9624021 , 4151353 , 32953998 , 352003137 , 455149651 , 9067815782 , 4694460023
n×2
171456262
n×3
257184393
n×4
342912524
n×5
428640655
n÷2
42864065.5
n÷3
28576043.666667
n÷3
21432032.75
n÷5
17145626.2
n2
7349312444753161
n3
6.3004282002373E+23
n4
5.4012393410604E+31
n5
4.6303815379278E+39
2 √n
9258.9486984214
3 √n
440.9348769107
4 √n
96.223431129956
5 √n
38.603321264183
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
85728132
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
42864066
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9258.9487524232
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999766704
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85728131 can be divided by 2 positive divisors.
The sum of these divisors (counting 85728131) is 85728132, the average is 42864066.
Base
System
Value
2
Binary
101000111000001101110000011
3
Ternary
12222022102212222
4
Quaternary
11013001232003
5
Quinary
133421300011
6
Senary
12301241255
8
Octal
507015603
10
Decimal
85728131
12
Duodecimal
2486322b
16
Hexadecimal
51c1b83
20
Vigesimal
16fg06b
36
Base36
1f1g8z
md5
fe96cdd5a9e6bb07bfa7572edd67cc00
sha1
f2b1846831e4ae341ce1960245a73e3fe43e4053
sha256
6659f4e5de3ca5d1f9d94a4965c8e396d38a3d9a371fb5df28a28bbf272618fd
sha512
a4cadeac1180a7904dc10fd6d297b20a8e917dc9e434376523c7337baff1995d0cf697019daf84af527fc4a426194e87951f145f0b12c4ea1f35da43a8b41263
ripemd-160
16b9573efd8d9c3ba0fc66e1871757adf2cb48cd
Diameter
171456262
Circumference
538645733.11117
Area
2.3088545985373E+16
Volume
2.6391171931114E+24
Surface area
9.235418394149E+16
Circumference
538645733.11117
Perimeter
342912524
Area
7349312444753161
Diagonal
121237885.5371
Surface area
44095874668518966
Volume
6.3004282002373E+23
Space diagonal
148485478.52992
Perimeter
257184393
Area
3.1823456387527E+15
Altitude
74242739.26496
Surface area
3.1823456387527E+15
Volume
7.4251258412779E+22
Height
40412628.512366