1288897666 is an even 10-digits composite number following 1288897665
and preceding 1288897667 . In scientific notation, it is written as 1.288897666 × 10^9.
The sum of its digits is 61. It has a total of 5 prime factors and 24 positive divisors.
There are 552071520 positive integers (up to 1288897666) that are relatively prime to 1288897666.
1288897666 has 24 divisors, whose sum is 2250270396
The reverse of 1288897666 is 6667988821
Previous prime number is 2861
Is Prime? no
Number parity even
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion two hundred eighty-eight million eight hundred ninety-seven thousand six hundred sixty-six
Scientific notation
1.288897666 × 10^9
Engineering notation
1.288897666 × 10^9
Prime Factorization
2 × 7 × 7 × 2861 × 4597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
184128238
Product of the distinct prime numbers
The prime factorization of 1288897666 is 2 × 7 × 7 × 2861 × 4597.
Since it has a total of 5 prime factors.
6 , 4 , 23 , 34 , 128 , 225 , 2218 , 2743 , 33184 , 80598 , 684888 , 197354 , 3883435 , 8439693 , 28705490 , 87660192 , 479574111 , 57640621 , 8073162812 , 1872801699
n×2
2577795332
n×3
3866692998
n×4
5155590664
n×5
6444488330
n÷2
644448833
n÷3
429632555.33333
n÷3
322224416.5
n÷5
257779533.2
n2
1661257193420247556
n3
2.1411905192251E+27
n4
2.7597754626905E+36
n5
3.5570681525459E+45
2 √n
35901.220954168
3 √n
1088.2770710015
4 √n
189.47617516239
5 √n
66.380984237732
1 , 2 , 7 , 14 , 49 , 98 , 2861 , 4597 , 5722 , 9194 , 20027 , 32179 , 40054 , 64358 , 140189 , 225253 , 280378 , 450506 , 13152017 , 26304034 , 92064119 , 184128238 , 644448833 , 1288897666
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
-1288897665
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 1288897666 can be divided by 24 positive divisors.
The sum of these divisors (counting 1288897666) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110100110000010010000010
3
Ternary
10022211021210012121
4
Quaternary
1030310300102002
5
Quinary
10114424211131
6
Senary
331521314454
8
Octal
11464602202
10
Decimal
1288897666
12
Duodecimal
2bb795a2a
16
Hexadecimal
4cd30482
20
Vigesimal
102fc436
36
Base36
lbdjsy
md5
704f9994d67a3c57ff6cd3384c636002
sha1
203ff0716d4b342a67f5057e616c0497e5b7541b
sha256
df1471a1477e20f49edb980b9889e71680bd7ed914fd8e16b7d3e2503bcdf004
sha512
070573c2a6b121105eaf10fd1b1b4d3286456247a06aea75a35ee3486f7e450123132d5c6e7bd3cdb1070fe1aa0aff0a8799af38c4e012afa16226c6ab3333e3
ripemd-160
f70a6c9035cdcded026511dfece652fb64b1c828
Diameter
2577795332
Circumference
8098382877.4693
Area
5.2189933945722E+18
Volume
8.9689978735114E+27
Surface area
2.0875973578289E+19
Circumference
8098382877.4693
Perimeter
5155590664
Area
1661257193420247556
Diagonal
1822776559.7682
Surface area
9.9675431605215E+18
Volume
2.1411905192251E+27
Space diagonal
2232436243.2689
Perimeter
3866692998
Area
7.1934546586079E+17
Altitude
1116218121.6345
Surface area
7.1934546586079E+17
Volume
2.523417226594E+26
Height
607592186.58941