1296985281 is an odd 10-digits composite number following 1296985280
and preceding 1296985282 . In scientific notation, it is written as 1.296985281 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 858056160 positive integers (up to 1296985281) that are relatively prime to 1296985281.
1296985281 has 8 divisors, whose sum is 1742515104
The reverse of 1296985281 is 1825896921
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion two hundred ninety-six million nine hundred eighty-five thousand two hundred eighty-one
Scientific notation
1.296985281 × 10^9
Engineering notation
1.296985281 × 10^9
Prime Factorization
3 × 131 × 3300217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1296985281
Product of the distinct prime numbers
The prime factorization of 1296985281 is 3 × 131 × 3300217.
Since it has a total of 3 prime factors.
10 , 1 , 9 , 100 , 736 , 372 , 9275 , 8874 , 71861 , 55228 , 292735 , 291874 , 9701339 , 8815477 , 66226031 , 23225887 , 410412446 , 739204856 , 458408464 , 985829248
n×2
2593970562
n×3
3890955843
n×4
5187941124
n×5
6484926405
n÷2
648492640.5
n÷3
432328427
n÷3
324246320.25
n÷5
259397056.2
n2
1682170819130648961
n3
2.1817507925402E+27
n4
2.8296986647347E+36
n5
3.6700775178262E+45
2 √n
36013.681858427
3 √n
1090.5485780568
4 √n
189.77271104779
5 √n
66.464081820575
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
-1296985280
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 1296985281 can be divided by 8 positive divisors.
The sum of these divisors (counting 1296985281) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101010011100110110011000001
3
Ternary
10100101111200022220
4
Quaternary
1031103212303001
5
Quinary
10124012012111
6
Senary
332410521253
8
Octal
11523466301
10
Decimal
1296985281
12
Duodecimal
302436229
16
Hexadecimal
4d4e6cc1
20
Vigesimal
10563341
36
Base36
lg6w8x
md5
a9262ecc95a1de1d4a0fb513244b9ea8
sha1
074e91e5cb0f9cd39978fb9744915ef42cb2cf0c
sha256
7ce272e11d010fb3599fc4668322a3579ee4484ebb541779e0b8fba40817d7ca
sha512
abd311eac8ce079950e703a7f992e7c939560b98a3e5f1c967784889f659022c75f42ed64cb3673f65ff7c5a08eda348fde50cb481c74840070d1f68e35ef43e
ripemd-160
73491158d2a291c7c87dabd909abc7d5313b10c8
Diameter
2593970562
Circumference
8149198861.2074
Area
5.284695487464E+18
Volume
9.1388963490772E+27
Surface area
2.1138781949856E+19
Circumference
8149198861.2074
Perimeter
5187941124
Area
1682170819130648961
Diagonal
1834214174.5885
Surface area
1.0093024914784E+19
Volume
2.1817507925402E+27
Space diagonal
2246444403.361
Perimeter
3890955843
Area
7.2840133143601E+17
Altitude
1123222201.6805
Surface area
7.2840133143601E+17
Volume
2.5712179671071E+26
Height
611404724.86283