1320121287 is an odd 10-digits composite number following 1320121286
and preceding 1320121288 . In scientific notation, it is written as 1.320121287 × 10^9.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 880080840 positive integers (up to 1320121287) that are relatively prime to 1320121287.
1320121287 has 8 divisors, whose sum is 1955735280
The reverse of 1320121287 is 7821210231
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 27
Digital Root 9
Name
one billion three hundred twenty million one hundred twenty-one thousand two hundred eighty-seven
Scientific notation
1.320121287 × 10^9
Engineering notation
1.320121287 × 10^9
Prime Factorization
3 × 9 × 48893381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1320121287
Product of the distinct prime numbers
The prime factorization of 1320121287 is 3 × 9 × 48893381.
Since it has a total of 3 prime factors.
8 , 6 , 36 , 97 , 527 , 239 , 4819 , 9826 , 29656 , 47011 , 216826 , 87934 , 2983545 , 4801763 , 14761 , 80415507 , 742374789 , 67139437 , 6404433552 , 7779818036
n×2
2640242574
n×3
3960363861
n×4
5280485148
n×5
6600606435
n÷2
660060643.5
n÷3
440040429
n÷3
330030321.75
n÷5
264024257.4
n2
1742720212390536369
n3
2.3006020496619E+27
n4
3.0370737386745E+36
n5
4.0093056926129E+45
2 √n
36333.473368232
3 √n
1096.9949072218
4 √n
190.61341340061
5 √n
66.699528950344
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
-1320121286
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 1320121287 can be divided by 8 positive divisors.
The sum of these divisors (counting 1320121287) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110101011110111001111000111
3
Ternary
10102000001002222000
4
Quaternary
1032223313033013
5
Quinary
10200422340122
6
Senary
334554440343
8
Octal
11653671707
10
Decimal
1320121287
12
Duodecimal
30a1330b3
16
Hexadecimal
4eaf73c7
20
Vigesimal
10caf347
36
Base36
ltys3r
md5
f8ec0ada570c09aa8fb0ceddfe189375
sha1
7677f771cd699c1f4a2ce53893eb6583164b58f9
sha256
fa1e129f5f41cb7e1a5cb374d526e51a31b02b534b6855c60396d9bd98b67bbe
sha512
5ef2e5c1c798780dc13002a382a330cc60f01c640188199b68ef609d9f449cb1641a7091b3f6a4b364d37432ffea71a4de4c96490e06f9136c3e6534acbaa556
ripemd-160
385146943fe93fb125bd68c2deff31288673b1f9
Diameter
2640242574
Circumference
8294566674.1734
Area
5.4749170165086E+18
Volume
9.6367393307353E+27
Surface area
2.1899668066034E+19
Circumference
8294566674.1734
Perimeter
5280485148
Area
1742720212390536369
Diagonal
1866933428.0528
Surface area
1.0456321274343E+19
Volume
2.3006020496619E+27
Space diagonal
2286517141.2372
Perimeter
3960363861
Area
7.5461998780941E+17
Altitude
1143258570.6186
Surface area
7.5461998780941E+17
Volume
2.7112855168793E+26
Height
622311142.68428