1288396161 is an odd 10-digits composite number following 1288396160
and preceding 1288396162 . In scientific notation, it is written as 1.288396161 × 10^9.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 792859104 positive integers (up to 1288396161) that are relatively prime to 1288396161.
1288396161 has 4 divisors, whose sum is 1299408212
The reverse of 1288396161 is 1616938821
Previous prime number is 117
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion two hundred eighty-eight million three hundred ninety-six thousand one hundred sixty-one
Scientific notation
1.288396161 × 10^9
Engineering notation
1.288396161 × 10^9
Prime Factorization
117 × 11011933
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1288396161
Product of the distinct prime numbers
The prime factorization of 1288396161 is 117 × 11011933.
Since it has a total of 2 prime factors.
9 , 4 , 25 , 21 , 995 , 374 , 2667 , 9338 , 22408 , 35691 , 207985 , 566222 , 6282221 , 2395118 , 47879973 , 42398491 , 148885095 , 784586939 , 1298327338 , 2043590000
n×2
2576792322
n×3
3865188483
n×4
5153584644
n×5
6441980805
n÷2
644198080.5
n÷3
429465387
n÷3
322099040.25
n÷5
257679232.2
n2
1659964667679537921
n3
2.138692105234E+27
n4
2.7554826979444E+36
n5
3.5501533297335E+45
2 √n
35894.235762863
3 √n
1088.135904585
4 √n
189.4577413643
5 √n
66.375817717713
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
-1288396160
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 1288396161 can be divided by 4 positive divisors.
The sum of these divisors (counting 1288396161) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010110101110110000001
3
Ternary
10022210100022021100
4
Quaternary
1030302311312001
5
Quinary
10114312134121
6
Senary
331502445013
8
Octal
11462656601
10
Decimal
1288396161
12
Duodecimal
2bb593769
16
Hexadecimal
4ccb5d81
20
Vigesimal
102c9a81
36
Base36
lb2su9
md5
a462bf3372899dedeab5a9810417d204
sha1
6bcc4e898dc9b9e3aa2c0b5631a2939dcbe5e8d8
sha256
a255f4e5d9fe9337deb4dfb36f1c02f9003e4d2e5c3cc5058c3f86cfa3186be8
sha512
b9d7c83bcc72d36e3125b736e20f6d3310d3a4606c2081789940444eafc3008b4d759aac20c78493c064bab42811868e9cc95c9d9b753a8074400d5f35bf6847
ripemd-160
9a756c1c1e7995462c5cedb626de160c8aa492e0
Diameter
2576792322
Circumference
8095231828.6218
Area
5.2149328052007E+18
Volume
8.958532541458E+27
Surface area
2.0859731220803E+19
Circumference
8095231828.6218
Perimeter
5153584644
Area
1659964667679537921
Diagonal
1822067324.5956
Surface area
9.9597880060772E+18
Volume
2.138692105234E+27
Space diagonal
2231567611.1287
Perimeter
3865188483
Area
7.1878578579754E+17
Altitude
1115783805.5643
Surface area
7.1878578579754E+17
Volume
2.5204728174684E+26
Height
607355774.86521