1289651921 is an odd 10-digits composite number following 1289651920
and preceding 1289651922 . In scientific notation, it is written as 1.289651921 × 10^9.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 1277820144 positive integers (up to 1289651921) that are relatively prime to 1289651921.
1289651921 has 4 divisors, whose sum is 1301483700
The reverse of 1289651921 is 1291569821
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion two hundred eighty-nine million six hundred fifty-one thousand nine hundred twenty-one
Scientific notation
1.289651921 × 10^9
Engineering notation
1.289651921 × 10^9
Prime Factorization
109 × 11831669
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1289651921
Product of the distinct prime numbers
The prime factorization of 1289651921 is 109 × 11831669.
Since it has a total of 2 prime factors.
4 , 8 , 13 , 21 , 835 , 768 , 9623 , 22 , 1209 , 32383 , 368293 , 769377 , 8824779 , 6451185 , 28551039 , 62622026 , 300445029 , 610980654 , 256707943 , 770297996
n×2
2579303842
n×3
3868955763
n×4
5158607684
n×5
6448259605
n÷2
644825960.5
n÷3
429883973.66667
n÷3
322412980.25
n÷5
257930384.2
n2
1663202077338990241
n3
2.1449517540514E+27
n4
2.7662411500647E+36
n5
3.5674882131302E+45
2 √n
35911.724004843
3 √n
1088.489313959
4 √n
189.50388915493
5 √n
66.388751568664
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1289651920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1289651921 can be divided by 4 positive divisors.
The sum of these divisors (counting 1289651921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111101000011011010001
3
Ternary
10022212201002211222
4
Quaternary
1030313220123101
5
Quinary
10120122330141
6
Senary
331545414425
8
Octal
11467503321
10
Decimal
1289651921
12
Duodecimal
2bba9a415
16
Hexadecimal
4cde86d1
20
Vigesimal
103069g1
36
Base36
lbtpsh
md5
9de1778bbc83476718f8da1f61dbd6f3
sha1
0737f78a00318fdf1542c821ce9426934dc9dd53
sha256
db810abc8c1aadbde8b83c69394a1e83432a2d35018d0728bbf20edee51d24bf
sha512
dddf6b317ceafda536a168feab4933417a80d37d1b977dedd4da2a2bfe78a8e812c64408c9bdc3cc046571dc55366034355bd88ba90ad7a3d32e6edefeb20c5a
ripemd-160
7e1ff786e0382ccd83687cbf6b34f8c881506fbc
Diameter
2579303842
Circumference
8103122001.4031
Area
5.2251034276035E+18
Volume
8.98475289711E+27
Surface area
2.0900413710414E+19
Circumference
8103122001.4031
Perimeter
5158607684
Area
1663202077338990241
Diagonal
1823843237.4187
Surface area
9.9792124640339E+18
Volume
2.1449517540514E+27
Space diagonal
2233742651.2508
Perimeter
3868955763
Area
7.2018762530131E+17
Altitude
1116871325.6254
Surface area
7.2018762530131E+17
Volume
2.5278498843462E+26
Height
607947745.80624