1285193427 is an odd 10-digits composite number following 1285193426
and preceding 1285193428 . In scientific notation, it is written as 1.285193427 × 10^9.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 718770240 positive integers (up to 1285193427) that are relatively prime to 1285193427.
1285193427 has 8 divisors, whose sum is 1375040832
The reverse of 1285193427 is 7243915821
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion two hundred eighty-five million one hundred ninety-three thousand four hundred twenty-seven
Scientific notation
1.285193427 × 10^9
Engineering notation
1.285193427 × 10^9
Prime Factorization
21 × 47 × 1302121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1285193427
Product of the distinct prime numbers
The prime factorization of 1285193427 is 21 × 47 × 1302121.
Since it has a total of 3 prime factors.
1 , 1 , 3 , 23 , 196 , 476 , 8940 , 5254 , 28457 , 43735 , 93753 , 498999 , 8824638 , 4487398 , 55038349 , 32516084 , 605763156 , 948874816 , 5911441070 , 7333842695
n×2
2570386854
n×3
3855580281
n×4
5140773708
n×5
6425967135
n÷2
642596713.5
n÷3
428397809
n÷3
321298356.75
n÷5
257038685.4
n2
1651722144804004329
n3
2.1227824437324E+27
n4
2.7281860436359E+36
n5
3.506246770914E+45
2 √n
35849.594516535
3 √n
1087.2335161032
4 √n
189.33989150872
5 √n
66.342785054372
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
-1285193426
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 1285193427 can be divided by 8 positive divisors.
The sum of these divisors (counting 1285193427) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110100111111011010011
3
Ternary
10022120022120221120
4
Quaternary
1030212213323103
5
Quinary
10113002142202
6
Senary
331310053323
8
Octal
11446477323
10
Decimal
1285193427
12
Duodecimal
2ba4aa243
16
Hexadecimal
4c9a7ed3
20
Vigesimal
101c93b7
36
Base36
l965lf
md5
387220ec048d310b89d204252fc08b6c
sha1
595cf62943e2f2dc589ccdaf26a12680a7063e5a
sha256
dcc1975f8b318be6600fbfd58aeb0d9e6bafdc98a3976a1384d9fbefc60f1ee6
sha512
d56fc6c0ae4e80827cbe5fb8ad2030163ecca8ef4f9fb1ee9c65c03cd8a3d65e48dcd40ab7f8488eeea7dfe98ca980794c35a4dee01de3bacac6b49a5ef6a61a
ripemd-160
349b50b8ee28ab632d07812b3d08161077404b64
Diameter
2570386854
Circumference
8075108457.4102
Area
5.1890381558878E+18
Volume
8.891890307199E+27
Surface area
2.0756152623551E+19
Circumference
8075108457.4102
Perimeter
5140773708
Area
1651722144804004329
Diagonal
1817537974.7362
Surface area
9.910332868824E+18
Volume
2.1227824437324E+27
Space diagonal
2226020313.1176
Perimeter
3855580281
Area
7.1521666869679E+17
Altitude
1113010156.5588
Surface area
7.1521666869679E+17
Volume
2.5017231015783E+26
Height
605845991.57872