861428131 is an odd 9-digits composite number following 861428130
and preceding 861428132 . In scientific notation, it is written as 8.61428131 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 775505280 positive integers (up to 861428131) that are relatively prime to 861428131.
861428131 has 8 divisors, whose sum is 951757344
The reverse of 861428131 is 131824168
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
eight hundred sixty-one million four hundred twenty-eight thousand one hundred thirty-one
Scientific notation
8.61428131 × 10^8
Engineering notation
8.61428131 × 10^6
Prime Factorization
17 × 23 × 2203141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
861428131
Product of the distinct prime numbers
The prime factorization of 861428131 is 17 × 23 × 2203141.
Since it has a total of 3 prime factors.
9 , 3 , 68 , 73 , 307 , 445 , 2144 , 9122 , 95104 , 12802 , 864558 , 35696 , 574406 , 4058258 , 33616567 , 55210941 , 439395584 , 590829306 , 742684330 , 950568914
n×2
1722856262
n×3
2584284393
n×4
3445712524
n×5
4307140655
n÷2
430714065.5
n÷3
287142710.33333
n÷3
215357032.75
n÷5
172285626.2
n2
742058424878153161
n3
6.3923000203559E+26
n4
5.5065070593265E+35
n5
4.7434600844539E+44
2 √n
29350.095928293
3 √n
951.49464850771
4 √n
171.31869696064
5 √n
61.241216647638
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
-861428130
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 861428131 can be divided by 8 positive divisors.
The sum of these divisors (counting 861428131) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011010110000101100110100011
3
Ternary
2020000221002020121
4
Quaternary
303112011212203
5
Quinary
3231011200011
6
Senary
221251221111
8
Octal
6326054643
10
Decimal
861428131
12
Duodecimal
2005a7797
16
Hexadecimal
335859a3
20
Vigesimal
d93ia6b
36
Base36
e8ve77
md5
db7d8bc9031558a02bd01506c7ed92f0
sha1
cf998f175fe0a64af6c675e97105eaa6fad0ae42
sha256
cab628a28c1c5abd1a463f8f4e3f49194d6cf5ba663bf8256b300708d313f1e8
sha512
58be26b02c7a9b996ff370cf5b900917b0ab7a5cfe8bf197472711f79a2304c66d09ad0b48f7a2160ac6d5f57109b3725d5db64c66e8660060f4c8d202ae0897
ripemd-160
f9f1bdd410e87a8f4cad2518e958a9a032236881
Diameter
1722856262
Circumference
5412512575.8904
Area
2.3312452961316E+18
Volume
2.6776003711323E+27
Surface area
9.3249811845265E+18
Circumference
5412512575.8904
Perimeter
3445712524
Area
742058424878153161
Diagonal
1218243345.8699
Surface area
4452350549268918966
Volume
6.3923000203559E+26
Space diagonal
1492037289.9611
Perimeter
2584284393
Area
3.2132072351837E+17
Altitude
746018644.98055
Surface area
3.2132072351837E+17
Volume
7.533397819621E+25
Height
406081115.28997