1288407628 is an even 10-digits composite number following 1288407627
and preceding 1288407629 . In scientific notation, it is written as 1.288407628 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 606309440 positive integers (up to 1288407628) that are relatively prime to 1288407628.
1288407628 has 12 divisors, whose sum is 2387343672
The reverse of 1288407628 is 8267048821
Previous prime number is 17
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion two hundred eighty-eight million four hundred seven thousand six hundred twenty-eight
Scientific notation
1.288407628 × 10^9
Engineering notation
1.288407628 × 10^9
Prime Factorization
2 × 2 × 17 × 18947171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
644203814
Product of the distinct prime numbers
The prime factorization of 1288407628 is 2 × 2 × 17 × 18947171.
Since it has a total of 4 prime factors.
6 , 8 , 33 , 84 , 467 , 755 , 6074 , 8227 , 36483 , 89875 , 106473 , 984120 , 1973665 , 3064742 , 60779946 , 24334610 , 722076326 , 507606541 , 1873301908 , 9881115153
n×2
2576815256
n×3
3865222884
n×4
5153630512
n×5
6442038140
n÷2
644203814
n÷3
429469209.33333
n÷3
322101907
n÷5
257681525.6
n2
1659994215888586384
n3
2.1387492101867E+27
n4
2.7555807967836E+36
n5
3.5503113181463E+45
2 √n
35894.395495676
3 √n
1088.1391327891
4 √n
189.45816291645
5 √n
66.375935869072
1 , 2 , 4 , 17 , 34 , 68 , 18947171 , 37894342 , 75788684 , 322101907 , 644203814 , 1288407628
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1288407627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1288407628 can be divided by 12 positive divisors.
The sum of these divisors (counting 1288407628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110010111000101001001100
3
Ternary
10022210100220000001
4
Quaternary
1030302320221030
5
Quinary
10114313021003
6
Senary
331503014044
8
Octal
11462705114
10
Decimal
1288407628
12
Duodecimal
2bb59a324
16
Hexadecimal
4ccb8a4c
20
Vigesimal
102caj18
36
Base36
lb31os
md5
b346a2692820a304019b19c05129aed4
sha1
58a2d8511144c0d5ac58d5a2c3f9902be6ac19fb
sha256
5c071e46827f7513220489ba7f6e8d41d9bb0d157066ee3c884c48dbaaa3a477
sha512
3c265ee81919be6997a0f5b5fc27f1ae9e66bdc8d29e316b2ccee53deac6232ee0b341aa6f110de42e9e86c457345df40e464f312d79dbca26a664a09403c3f5
ripemd-160
02454dc5bc75921937b16b38c914a20d6932cfb7
Diameter
2576815256
Circumference
8095303877.9077
Area
5.2150256336371E+18
Volume
8.9587717421248E+27
Surface area
2.0860102534549E+19
Circumference
8095303877.9077
Perimeter
5153630512
Area
1659994215888586384
Diagonal
1822083541.3825
Surface area
9.9599652953315E+18
Volume
2.1387492101867E+27
Space diagonal
2231587472.5553
Perimeter
3865222884
Area
7.1879858054737E+17
Altitude
1115793736.2777
Surface area
7.1879858054737E+17
Volume
2.5205401163007E+26
Height
607361180.46085