1285209993 is an odd 10-digits composite number following 1285209992
and preceding 1285209994 . In scientific notation, it is written as 1.285209993 × 10^9.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 856174400 positive integers (up to 1285209993) that are relatively prime to 1285209993.
1285209993 has 8 divisors, whose sum is 1714877856
The reverse of 1285209993 is 3999025821
Previous prime number is 1361
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion two hundred eighty-five million two hundred nine thousand nine hundred ninety-three
Scientific notation
1.285209993 × 10^9
Engineering notation
1.285209993 × 10^9
Prime Factorization
3 × 1361 × 314771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1285209993
Product of the distinct prime numbers
The prime factorization of 1285209993 is 3 × 1361 × 314771.
Since it has a total of 3 prime factors.
9 , 10 , 33 , 93 , 297 , 882 , 7825 , 486 , 15827 , 66912 , 40439 , 117221 , 1120542 , 5720027 , 44810366 , 61325477 , 793763533 , 115068722 , 5572017211 , 4344379526
n×2
2570419986
n×3
3855629979
n×4
5140839972
n×5
6426049965
n÷2
642604996.5
n÷3
428403331
n÷3
321302498.25
n÷5
257041998.6
n2
1651764726107060049
n3
2.1228645320777E+27
n4
2.7283267104115E+36
n5
3.5064727523897E+45
2 √n
35849.825564429
3 √n
1087.2381875228
4 √n
189.3405016483
5 √n
66.342956083711
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
-1285209992
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 1285209993 can be divided by 8 positive divisors.
The sum of these divisors (counting 1285209993) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110101011111110001001
3
Ternary
10022120100102200010
4
Quaternary
1030212223332021
5
Quinary
10113003204433
6
Senary
331310302133
8
Octal
11446537611
10
Decimal
1285209993
12
Duodecimal
2ba4b7949
16
Hexadecimal
4c9abf89
20
Vigesimal
101cb4jd
36
Base36
l96idl
md5
3691228954fd1799b20dab5d6b7cb671
sha1
fb57dc827c12a6cad00e52a92d7a2862459045b0
sha256
81e2c8e2fcbe07aa2c0e0ab6391a9170296538647dadd1548e2a74d6f2b0973c
sha512
e066ba5bc32ecc6335cc209cae35cc0f632a08886ae1e33079b0940d8c26609126d0ea786037c537e529dc1cc015fd4d6d3f4d3b55bfdcd18455a156d3de0fd9
ripemd-160
3a9bff73ae3f71d2fefb8832299f675148e89048
Diameter
2570419986
Circumference
8075212544.658
Area
5.1891719289967E+18
Volume
8.8922341580555E+27
Surface area
2.0756687715987E+19
Circumference
8075212544.658
Perimeter
5140839972
Area
1651764726107060049
Diagonal
1817561402.598
Surface area
9.9105883566424E+18
Volume
2.1228645320777E+27
Space diagonal
2226049006.2712
Perimeter
3855629979
Area
7.1523510694188E+17
Altitude
1113024503.1356
Surface area
7.1523510694188E+17
Volume
2.5018198436209E+26
Height
605853800.86601