1288897942 is an even 10-digits composite number following 1288897941
and preceding 1288897943 . In scientific notation, it is written as 1.288897942 × 10^9.
The sum of its digits is 58. It has a total of 4 prime factors and 16 positive divisors.
There are 606110080 positive integers (up to 1288897942) that are relatively prime to 1288897942.
1288897942 has 16 divisors, whose sum is 2048524992
The reverse of 1288897942 is 2497988821
Previous prime number is 1493
Is Prime? no
Number parity even
Number length 10
Sum of Digits 58
Digital Root 4
Name
one billion two hundred eighty-eight million eight hundred ninety-seven thousand nine hundred forty-two
Scientific notation
1.288897942 × 10^9
Engineering notation
1.288897942 × 10^9
Prime Factorization
2 × 17 × 1493 × 25391
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1288897942
Product of the distinct prime numbers
The prime factorization of 1288897942 is 2 × 17 × 1493 × 25391.
Since it has a total of 4 prime factors.
9 , 8 , 19 , 45 , 740 , 268 , 1772 , 2887 , 78095 , 47894 , 296072 , 505961 , 9499686 , 5101007 , 45944695 , 23932073 , 938102867 , 876421564 , 1720475961 , 7213261939
n×2
2577795884
n×3
3866693826
n×4
5155591768
n×5
6444489710
n÷2
644448971
n÷3
429632647.33333
n÷3
322224485.5
n÷5
257779588.4
n2
1661257904891835364
n3
2.1411918947463E+27
n4
2.7597778265656E+36
n5
3.5570719610376E+45
2 √n
35901.224798048
3 √n
1088.2771486815
4 √n
189.47618530583
5 √n
66.38098708065
1 , 2 , 17 , 34 , 1493 , 2986 , 25381 , 25391 , 50762 , 50782 , 431647 , 863294 , 37908763 , 75817526 , 644448971 , 1288897942
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1288897941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1288897942 can be divided by 16 positive divisors.
The sum of these divisors (counting 1288897942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100110000010110010110
3
Ternary
10022211021210120211
4
Quaternary
1030310300112112
5
Quinary
10114424213232
6
Senary
331521320034
8
Octal
11464602626
10
Decimal
1288897942
12
Duodecimal
2bb79601a
16
Hexadecimal
4cd30596
20
Vigesimal
102fc4h2
36
Base36
lbdk0m
md5
b68fdd68eca7446e368e40fcff52758b
sha1
1d5053f74bd1bdd4c31ff9b4df22c3bf1869495b
sha256
dc9fa3b47e6c748180a763e9851e0bbe19658ddb53f3f98ffe0c75b05d3749f2
sha512
6ef093d462eb6e8b4a20c9409fb43d1a239ef727b9600f7d3bcf3afe26cb0a7f912f5dd13edd6bff94dfc0b341e90c4d5c82cb27df9d8b48762c8c7e204fbb42
ripemd-160
824d57a78d9bbe382cff592d1716f09e07d0d9f9
Diameter
2577795884
Circumference
8098384611.6284
Area
5.2189956297262E+18
Volume
8.9690036352814E+27
Surface area
2.0875982518905E+19
Circumference
8098384611.6284
Perimeter
5155591768
Area
1661257904891835364
Diagonal
1822776950.0912
Surface area
9.967547429351E+18
Volume
2.1411918947463E+27
Space diagonal
2232436721.315
Perimeter
3866693826
Area
7.1934577393702E+17
Altitude
1116218360.6575
Surface area
7.1934577393702E+17
Volume
2.5234188476613E+26
Height
607592316.69706