1289208081 is an odd 10-digits composite number following 1289208080
and preceding 1289208082 . In scientific notation, it is written as 1.289208081 × 10^9.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 736099392 positive integers (up to 1289208081) that are relatively prime to 1289208081.
1289208081 has 24 divisors, whose sum is 2001192480
The reverse of 1289208081 is 1808029821
Previous prime number is 5417
Is Prime? no Number parity odd Number length 10 Sum of Digits 39 Digital Root 3
Name
one billion two hundred eighty-nine million two hundred eight thousand eighty-one
Scientific notation
1.289208081 × 10^9
Engineering notation
1.289208081 × 10^9
Prime Factorization
7 × 3 × 7 × 5417 × 1619
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
184172583 Product of the distinct prime numbers
The prime factorization of 1289208081 is 7 × 3 × 7 × 5417 × 1619.
Since it has a total of 5 prime factors.
4 , 5 , 3 , 6 , 973 , 56 , 7706 , 8121 , 93505 , 83587 , 816280 , 945962 , 318565 , 9305500 , 12921773 , 62529961 , 36583316 , 144461406 , 8249145290 , 3320908690
n×2
2578416162
n×3
3867624243
n×4
5156832324
n×5
6446040405
n÷2
644604040.5
n÷3
429736027
n÷3
322302020.25
n÷5
257841616.2
n2
1662057476115702561
n3
2.1427379292948E+27
n4
2.7624350539121E+36
n5
3.5613535947411E+45
2 √n35905.543875563
3 √n1088.3644299956
4 √n189.48758237827
5 √n66.384181336929
1 , 3 , 7 , 21 , 49 , 147 , 1619 , 4857 , 5417 , 11333 , 16251 , 33999 , 37919 , 79331 , 113757 , 237993 , 265433 , 796299 , 8770123 , 26310369 , 61390861 , 184172583 , 429736027 , 1289208081
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1289208080 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1289208081 can be divided by 24 positive divisors.
The sum of these divisors (counting 1289208081) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110101111100000100010001
3
Ternary
10022211212120000110
4
Quaternary
1030311330010101
5
Quinary
10120014124311
6
Senary
331532111533
8
Octal
11465740421
10
Decimal
1289208081
12
Duodecimal
2bb9055a9
16
Hexadecimal
4cd7c111
20
Vigesimal
102hb041
36
Base36
lbk7bl
md5
a0b137aa9882e7f6d3253def1f155c33
sha1
8055e3f04b60502c22f4a3550a2625f14a9cc8bf
sha256
3a000a32b66cdae51e3fe45f1eb0fd0cb260db248496875e337a51d920705a24
sha512
9f299e2d2b94bd310682b47f1236ad15fe1669a6f39fa912cfafbeec5ebb2e8645983fb4f531cda10bbe8f90b500361cac291436ef7ad336166c99c0d204f5c1
ripemd-160
80bc2ca71d8859139ef995ca8a2b9faec6ceff6e
Diameter
2578416162
Circumference
8100333272.4364
Area
5.2215075568091E+18
Volume
8.9754796496544E+27
Surface area
2.0886030227236E+19
Circumference
8100333272.4364
Perimeter
5156832324
Area
1662057476115702561
Diagonal
1823215552.8712
Surface area
9.9723448566942E+18
Volume
2.1427379292948E+27
Space diagonal
2232973897.8204
Perimeter
3867624243
Area
7.1969199843302E+17
Altitude
1116486948.9102
Surface area
7.1969199843302E+17
Volume
2.52524086685E+26
Height
607738517.62373