1288897668 is an even 10-digits composite number following 1288897667
and preceding 1288897669 . In scientific notation, it is written as 1.288897668 × 10^9.
The sum of its digits is 63. It has a total of 5 prime factors and 18 positive divisors.
There are 429632544 positive integers (up to 1288897668) that are relatively prime to 1288897668.
1288897668 has 18 divisors, whose sum is 3258046974
The reverse of 1288897668 is 8667988821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 63
Digital Root 9
Name
one billion two hundred eighty-eight million eight hundred ninety-seven thousand six hundred sixty-eight
Scientific notation
1.288897668 × 10^9
Engineering notation
1.288897668 × 10^9
Prime Factorization
2 × 2 × 3 × 3 × 35802713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
214816278
Product of the distinct prime numbers
The prime factorization of 1288897668 is 2 × 2 × 3 × 3 × 35802713.
Since it has a total of 5 prime factors.
10 , 3 , 93 , 25 , 478 , 914 , 3521 , 7590 , 86393 , 34270 , 578042 , 600938 , 2479361 , 7489952 , 69162516 , 44344032 , 179149826 , 814336610 , 6547718893 , 8634230177
n×2
2577795336
n×3
3866693004
n×4
5155590672
n×5
6444488340
n÷2
644448834
n÷3
429632556
n÷3
322224417
n÷5
257779533.6
n2
1661257198575838224
n3
2.1411905291926E+27
n4
2.75977547982E+36
n5
3.5570681801436E+45
2 √n
35901.220982022
3 √n
1088.2770715644
4 √n
189.47617523589
5 √n
66.380984258333
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 35802713 , 71605426 , 107408139 , 143210852 , 214816278 , 322224417 , 429632556 , 644448834 , 1288897668
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1288897667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1288897668 can be divided by 18 positive divisors.
The sum of these divisors (counting 1288897668) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001100110100110000010010000100
3
Ternary
10022211021210012200
4
Quaternary
1030310300102010
5
Quinary
10114424211133
6
Senary
331521314500
8
Octal
11464602204
10
Decimal
1288897668
12
Duodecimal
2bb795a30
16
Hexadecimal
4cd30484
20
Vigesimal
102fc438
36
Base36
lbdjt0
md5
844a9f14826eb110461000f28b0edb52
sha1
886de646676655f43d269156b636bd76d08212b7
sha256
3e7b4207aa8363ae09dff0d5be5861b7c56c3eec281efb48012b894aa8d42111
sha512
810311d81cf8c13e025b6ada1b5df783ab570ff07d0ee5b019aee7a3b360132426fc92c1031b5bdf9d0263598958b25e2eafc5596555a537f8e620d31669975f
ripemd-160
79b1fc94ee28fa6d428d316f00e9f087e3b86a34
Diameter
2577795336
Circumference
8098382890.0356
Area
5.218993410769E+18
Volume
8.9689979152634E+27
Surface area
2.0875973643076E+19
Circumference
8098382890.0356
Perimeter
5155590672
Area
1661257198575838224
Diagonal
1822776562.5967
Surface area
9.967543191455E+18
Volume
2.1411905291926E+27
Space diagonal
2232436246.733
Perimeter
3866693004
Area
7.1934546809322E+17
Altitude
1116218123.3665
Surface area
7.1934546809322E+17
Volume
2.5234172383408E+26
Height
607592187.53222