1288690768 is an even 10-digits composite number following 1288690767
and preceding 1288690769 . In scientific notation, it is written as 1.288690768 × 10^9.
The sum of its digits is 55. It has a total of 6 prime factors and 20 positive divisors.
There are 641947904 positive integers (up to 1288690768) that are relatively prime to 1288690768.
1288690768 has 20 divisors, whose sum is 2506128660
The reverse of 1288690768 is 8670968821
Previous prime number is 269
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion two hundred eighty-eight million six hundred ninety thousand seven hundred sixty-eight
Scientific notation
1.288690768 × 10^9
Engineering notation
1.288690768 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 269 × 299417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
161086346
Product of the distinct prime numbers
The prime factorization of 1288690768 is 2 × 2 × 2 × 2 × 269 × 299417.
Since it has a total of 6 prime factors.
10 , 10 , 79 , 16 , 143 , 242 , 1542 , 8916 , 74663 , 89199 , 2329 , 947207 , 7536827 , 8356108 , 77225667 , 27888342 , 216819276 , 141847001 , 2091310261 , 7639494380
n×2
2577381536
n×3
3866072304
n×4
5154763072
n×5
6443453840
n÷2
644345384
n÷3
429563589.33333
n÷3
322172692
n÷5
257738153.6
n2
1660723895528429824
n3
2.1401595523645E+27
n4
2.7580038571791E+36
n5
3.5542141088551E+45
2 √n
35898.339348778
3 √n
1088.2188366399
4 √n
189.46857087332
5 √n
66.37885296305
1 , 2 , 4 , 8 , 16 , 269 , 538 , 1076 , 2152 , 4304 , 299417 , 598834 , 1197668 , 2395336 , 4790672 , 80543173 , 161086346 , 322172692 , 644345384 , 1288690768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1288690767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1288690768 can be divided by 20 positive divisors.
The sum of these divisors (counting 1288690768) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110011111101110001010000
3
Ternary
10022210220021101201
4
Quaternary
1030303331301100
5
Quinary
10114401101033
6
Senary
331513040544
8
Octal
11463756120
10
Decimal
1288690768
12
Duodecimal
2bb6b6154
16
Hexadecimal
4ccfdc50
20
Vigesimal
102e66i8
36
Base36
lb945s
md5
fe8c5efb18602dbd2bbd25006eafa42f
sha1
30f13244631aaba98e5cfc04181907c5c95e17c4
sha256
6cde0767f03b961d1adf7f953a76e33aa3b5bfc5168ef56087790e7abf5dfece
sha512
0bc7b63bc70efab0821ea5943c524663c0e67456fd40c1e254e59c028cab3a4f918120a96dfa34ff315f06245e100d86a0cf5910cf1b676a7c96848f6595272f
ripemd-160
f57f94984283e6b72c1522a9f03e3ea7836da1df
Diameter
2577381536
Circumference
8097082898.9956
Area
5.2173179898331E+18
Volume
8.9646793696244E+27
Surface area
2.0869271959333E+19
Circumference
8097082898.9956
Perimeter
5154763072
Area
1660723895528429824
Diagonal
1822483961.8106
Surface area
9.9643433731706E+18
Volume
2.1401595523645E+27
Space diagonal
2232077885.421
Perimeter
3866072304
Area
7.1911454109974E+17
Altitude
1116038942.7105
Surface area
7.1911454109974E+17
Volume
2.5222022204968E+26
Height
607494653.93687