1288668 is an even 7-digits composite number following 1288667
and preceding 1288669 . In scientific notation, it is written as 1.288668 × 10^6.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 404224 positive integers (up to 1288668) that are relatively prime to 1288668.
1288668 has 12 divisors, whose sum is 2299752
The reverse of 1288668 is 8668821
Previous prime number is 51
Is Prime? no
Number parity even
Number length 7
Sum of Digits 39
Digital Root 3
Name
one million two hundred eighty-eight thousand six hundred sixty-eight
Scientific notation
1.288668 × 10^6
Engineering notation
1.288668 × 10^6
Prime Factorization
2 × 2 × 51 × 6317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
644334
Product of the distinct prime numbers
The prime factorization of 1288668 is 2 × 2 × 51 × 6317.
Since it has a total of 4 prime factors.
4 , 5 , 40 , 20 , 952 , 278 , 9865 , 9975 , 47753 , 96798 , 625008 , 63593 , 4384460 , 7541916 , 45153183 , 90553661 , 885974766 , 236217253 , 5201168145 , 7463378191
n×2
2577336
n×3
3866004
n×4
5154672
n×5
6443340
n÷2
644334
n÷3
429556
n÷3
322167
n÷5
257733.6
n2
1660665214224
n3
2140046120283613632
n4
2.7578089537336E+24
n5
3.55390014879E+30
2 √n
1135.1951374103
3 √n
108.82124278843
4 √n
33.692657025089
5 √n
16.67355509293
1 , 2 , 4 , 51 , 102 , 204 , 6317 , 12634 , 25268 , 322167 , 644334 , 1288668
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
-1288667
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 1288668 can be divided by 12 positive divisors.
The sum of these divisors (counting 1288668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111010100111011100
3
Ternary
2102110201110
4
Quaternary
10322213130
5
Quinary
312214133
6
Senary
43342020
8
Octal
4724734
10
Decimal
1288668
12
Duodecimal
521910
16
Hexadecimal
13a9dc
20
Vigesimal
811d8
36
Base36
rmcc
md5
d1aa08297f54c36de8ac0617e310a1c8
sha1
e285838027b53360177618f5d883b08edc666ad2
sha256
a2ea189aa999b319daeaa0d11479d98c9ae332e05dbc50ff078357dc2657ba5d
sha512
86951ef6506ab2ede3fda124a17d5f92fe61a14a75b6315083c7d14b2affd8d1d34bb90f58b3d5179cca83e6a888a7204f3dbe8e9959258ac5fc1a6708eefa28
ripemd-160
f479433601a6607606a65ce218027595720b45b7
Diameter
2577336
Circumference
8096939.8434325
Area
5217133637078.2
Volume
8.9642042264351E+18
Surface area
20868534548313
Circumference
8096939.8434325
Perimeter
5154672
Area
1660665214224
Diagonal
1822451.7629962
Surface area
9963991285344
Volume
2140046120283613632
Space diagonal
2232038.4500882
Perimeter
3866004
Area
719089131349.56
Altitude
1116019.2250441
Surface area
719089131349.56
Volume
2.5220685395075E+17
Height
607483.92099874