1288941745 is an odd 10-digits composite number following 1288941744
and preceding 1288941746 . In scientific notation, it is written as 1.288941745 × 10^9.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 812747520 positive integers (up to 1288941745) that are relatively prime to 1288941745.
1288941745 has 16 divisors, whose sum is 1768364928
The reverse of 1288941745 is 5471498821
Previous prime number is 3497
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion two hundred eighty-eight million nine hundred forty-one thousand seven hundred forty-five
Scientific notation
1.288941745 × 10^9
Engineering notation
1.288941745 × 10^9
Prime Factorization
5 × 7 × 3497 × 10531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1288941745
Product of the distinct prime numbers
The prime factorization of 1288941745 is 5 × 7 × 3497 × 10531.
Since it has a total of 4 prime factors.
3 , 10 , 70 , 59 , 280 , 86 , 9459 , 2460 , 8117 , 86188 , 849530 , 264592 , 1299318 , 7592930 , 97547155 , 39172280 , 783011192 , 186999386 , 2981067302 , 8714862639
n×2
2577883490
n×3
3866825235
n×4
5155766980
n×5
6444708725
n÷2
644470872.5
n÷3
429647248.33333
n÷3
322235436.25
n÷5
257788349
n2
1661370822003645025
n3
2.1414102064055E+27
n4
2.7601530082051E+36
n5
3.5576764348628E+45
2 √n
35901.83484169
3 √n
1088.2894768528
4 √n
189.47779511513
5 √n
66.381438264061
1 , 5 , 7 , 35 , 3497 , 10531 , 17485 , 24479 , 52655 , 73717 , 122395 , 368585 , 36826907 , 184134535 , 257788349 , 1288941745
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
-1288941744
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 1288941745 can be divided by 16 positive divisors.
The sum of these divisors (counting 1288941745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100111011000010110001
3
Ternary
10022211101000200011
4
Quaternary
1030310323002301
5
Quinary
10114432113440
6
Senary
331522254521
8
Octal
11464730261
10
Decimal
1288941745
12
Duodecimal
2bb7b7441
16
Hexadecimal
4cd3b0b1
20
Vigesimal
102fhe75
36
Base36
lbehtd
md5
76f91b003fa71f7dc0473b106e76e265
sha1
94324374c142f117a131be4ab53f3c70847975b7
sha256
9f32a08f88cd69d8b4cdb52d04d9351b600d2c7f3ea514f9e4d9240528684849
sha512
8b7c1b13109980cdf64a1fe6a97a6d6fb5962fa3b389a101eb26f9c35671d994fec4527d625876b65244e45fba4f7ccb03084f1cb2e2e3a0a957fe4942633c60
ripemd-160
206a1509eba10fe8cd58701bfaa26e6a2fd563d0
Diameter
2577883490
Circumference
8098659833.9944
Area
5.2193503692951E+18
Volume
8.9699180970208E+27
Surface area
2.087740147718E+19
Circumference
8098659833.9944
Perimeter
5155766980
Area
1661370822003645025
Diagonal
1822838896.8878
Surface area
9.9682249320219E+18
Volume
2.1414102064055E+27
Space diagonal
2232512590.3365
Perimeter
3866825235
Area
7.193946684807E+17
Altitude
1116256295.1682
Surface area
7.193946684807E+17
Volume
2.523676130419E+26
Height
607612965.62928