1285209994 is an even 10-digits composite number following 1285209993
and preceding 1285209995 . In scientific notation, it is written as 1.285209994 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 620446176 positive integers (up to 1285209994) that are relatively prime to 1285209994.
1285209994 has 8 divisors, whose sum is 1994291460
The reverse of 1285209994 is 4999025821
Previous prime number is 29
Is Prime? no Number parity even Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion two hundred eighty-five million two hundred nine thousand nine hundred ninety-four
Scientific notation
1.285209994 × 10^9
Engineering notation
1.285209994 × 10^9
Prime Factorization
2 × 29 × 22158793
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1285209994 Product of the distinct prime numbers
The prime factorization of 1285209994 is 2 × 29 × 22158793.
Since it has a total of 3 prime factors.
8 , 2 , 31 , 66 , 125 , 27 , 7374 , 950 , 57417 , 34959 , 74676 , 76020 , 6565500 , 9842295 , 64106069 , 71612123 , 672908232 , 438229673 , 9259837392 , 8252744437
n×2
2570419988
n×3
3855629982
n×4
5140839976
n×5
6426049970
n÷2
642604997
n÷3
428403331.33333
n÷3
321302498.5
n÷5
257041998.8
n2
1651764728677480036
n3
2.122864537033E+27
n4
2.728326718903E+36
n5
3.5064727660313E+45
2 √n35849.825578376
3 √n1087.2381878047
4 √n189.34050168513
5 √n66.342956094035
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
-1285209993 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 1285209994 can be divided by 8 positive divisors.
The sum of these divisors (counting 1285209994) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110101011111110001010
3
Ternary
10022120100102200011
4
Quaternary
1030212223332022
5
Quinary
10113003204434
6
Senary
331310302134
8
Octal
11446537612
10
Decimal
1285209994
12
Duodecimal
2ba4b794a
16
Hexadecimal
4c9abf8a
20
Vigesimal
101cb4je
36
Base36
l96idm
md5
93d5f7dcba1590e2ab013115f44977c6
sha1
73fd81ca0b216fa420f26aa879e08b5906e130a3
sha256
7fb0d4f91567e881ce74c7c9ec45d8a8b43f343befde920487708c11d556705f
sha512
0dd33288123502fc36b54bc0af638c2839904c9e57013b86e02a572fa9af2aacb1bd04aeb34fce322d2995d733f1d716deeee5d97e2c56926a9e9f272ddef138
ripemd-160
21ce3b1d9669a71116f17852538229b63e7368e0
Diameter
2570419988
Circumference
8075212550.9412
Area
5.1891719370719E+18
Volume
8.8922341788122E+27
Surface area
2.0756687748288E+19
Circumference
8075212550.9412
Perimeter
5140839976
Area
1651764728677480036
Diagonal
1817561404.0122
Surface area
9.9105883720649E+18
Volume
2.122864537033E+27
Space diagonal
2226049008.0033
Perimeter
3855629982
Area
7.152351080549E+17
Altitude
1113024504.0016
Surface area
7.152351080549E+17
Volume
2.5018198494608E+26
Height
605853801.33741