1288897940 is an even 10-digits composite number following 1288897939
and preceding 1288897941 . In scientific notation, it is written as 1.288897940 × 10^9.
The sum of its digits is 56. It has a total of 5 prime factors and 24 positive divisors.
There are 468690080 positive integers (up to 1288897940) that are relatively prime to 1288897940.
1288897940 has 24 divisors, whose sum is 2952748512
The reverse of 1288897940 is 0497988821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion two hundred eighty-eight million eight hundred ninety-seven thousand nine hundred forty
Scientific notation
1.288897940 × 10^9
Engineering notation
1.288897940 × 10^9
Prime Factorization
2 × 2 × 5 × 11 × 5858627
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
644448970
Product of the distinct prime numbers
The prime factorization of 1288897940 is 2 × 2 × 5 × 11 × 5858627.
Since it has a total of 5 prime factors.
5 , 8 , 40 , 70 , 65 , 649 , 3696 , 6921 , 26373 , 61164 , 930968 , 132672 , 5642969 , 3350509 , 60811986 , 70835799 , 355525956 , 590616928 , 4822419814 , 5953312124
n×2
2577795880
n×3
3866693820
n×4
5155591760
n×5
6444489700
n÷2
644448970
n÷3
429632646.66667
n÷3
322224485
n÷5
257779588
n2
1661257899736243600
n3
2.1411918847788E+27
n4
2.7597778094361E+36
n5
3.5570719334399E+45
2 √n
35901.224770194
3 √n
1088.2771481186
4 √n
189.47618523232
5 √n
66.380987060049
1 , 2 , 4 , 5 , 10 , 11 , 20 , 22 , 44 , 55 , 110 , 220 , 5858627 , 11717254 , 23434508 , 29293135 , 58586270 , 64444897 , 117172540 , 128889794 , 257779588 , 322224485 , 644448970 , 1288897940
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
-1288897939
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 1288897940 can be divided by 24 positive divisors.
The sum of these divisors (counting 1288897940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110100110000010110010100
3
Ternary
10022211021210120202
4
Quaternary
1030310300112110
5
Quinary
10114424213230
6
Senary
331521320032
8
Octal
11464602624
10
Decimal
1288897940
12
Duodecimal
2bb796018
16
Hexadecimal
4cd30594
20
Vigesimal
102fc4h0
36
Base36
lbdk0k
md5
1c9721aab535f6d91345855e8dba30c9
sha1
bdf48aba901387f6b0d93ea5a3cb1dad26553b57
sha256
bc7676f18b0387e21a2e24e1d34e1274c9389e56e2a4e42be4565021ad40c448
sha512
2752504ed30d20d25169ee584c0df99100ab05acc0c074698a9ac7f64863132174e3105d9832d6414bdbb589bcc69e0f822764531b0365f6ab95db84532816c2
ripemd-160
1efb6fe60a90f338481dc58f41b1bc452e1e7a1d
Diameter
2577795880
Circumference
8098384599.062
Area
5.2189956135294E+18
Volume
8.9690035935294E+27
Surface area
2.0875982454118E+19
Circumference
8098384599.062
Perimeter
5155591760
Area
1661257899736243600
Diagonal
1822776947.2627
Surface area
9.9675473984175E+18
Volume
2.1411918847788E+27
Space diagonal
2232436717.8509
Perimeter
3866693820
Area
7.1934577170458E+17
Altitude
1116218358.9254
Surface area
7.1934577170458E+17
Volume
2.5234188359145E+26
Height
607592315.75425