1289702021 is an odd 10-digits composite number following 1289702020
and preceding 1289702022 . In scientific notation, it is written as 1.289702021 × 10^9.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 1248098700 positive integers (up to 1289702021) that are relatively prime to 1289702021.
1289702021 has 4 divisors, whose sum is 1331305344
The reverse of 1289702021 is 1202079821
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 32
Digital Root 5
Name
one billion two hundred eighty-nine million seven hundred two thousand twenty-one
Scientific notation
1.289702021 × 10^9
Engineering notation
1.289702021 × 10^9
Prime Factorization
31 × 41603291
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1289702021
Product of the distinct prime numbers
The prime factorization of 1289702021 is 31 × 41603291.
Since it has a total of 2 prime factors.
1 , 2 , 81 , 33 , 984 , 221 , 6148 , 2909 , 14246 , 70279 , 357423 , 634166 , 8351850 , 8520383 , 98217838 , 17514482 , 377658089 , 554358093 , 8768593403 , 9433384430
n×2
2579404042
n×3
3869106063
n×4
5158808084
n×5
6448510105
n÷2
644851010.5
n÷3
429900673.66667
n÷3
322425505.25
n÷5
257940404.2
n2
1663331302971484441
n3
2.1452017430349E+27
n4
2.7666710234448E+36
n5
3.5681812103789E+45
2 √n
35912.421541857
3 √n
1088.5034088755
4 √n
189.50572957527
5 √n
66.389267370597
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
-1289702020
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 1289702021 can be divided by 4 positive divisors.
The sum of these divisors (counting 1289702021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111110100101010000101
3
Ternary
10022212210122120112
4
Quaternary
1030313310222011
5
Quinary
10120130431041
6
Senary
331550442405
8
Octal
11467645205
10
Decimal
1289702021
12
Duodecimal
2bbb03405
16
Hexadecimal
4cdf4a85
20
Vigesimal
1030cf11
36
Base36
lbusg5
md5
a2be27c4b58b60061b216ec8c8ae525c
sha1
bb8c28808ce75d0fb4d82d2703fff529319d5d17
sha256
8bdb63ecfc1ed3526cf3755b794614b1c4ca9fefda91ae815ef8a7319cb08450
sha512
c2ddbcfd05b3b02618b2bdfbc0d6302e1004105973815a4c2b6c523d80fa66dc3cc2a6827caded25cfbfbf58bf320d7ae7a8b646b9e45507bce3f159cd923153
ripemd-160
3da20bd8863f1a5840006e48b0c6687bd6bfa1ec
Diameter
2579404042
Circumference
8103436788.987
Area
5.2255094019012E+18
Volume
8.9858000485152E+27
Surface area
2.0902037607605E+19
Circumference
8103436788.987
Perimeter
5158808084
Area
1663331302971484441
Diagonal
1823914089.5182
Surface area
9.9799878178289E+18
Volume
2.1452017430349E+27
Space diagonal
2233829426.9963
Perimeter
3869106063
Area
7.2024358164159E+17
Altitude
1116914713.4981
Surface area
7.2024358164159E+17
Volume
2.5281444991886E+26
Height
607971363.17273