1285864 is an even 7-digits composite number following 1285863
and preceding 1285865 . In scientific notation, it is written as 1.285864 × 10^6.
The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors.
There are 633072 positive integers (up to 1285864) that are relatively prime to 1285864.
1285864 has 16 divisors, whose sum is 2448000
The reverse of 1285864 is 4685821
Previous prime number is 67
Is Prime? no
Number parity even
Number length 7
Sum of Digits 34
Digital Root 7
Name
one million two hundred eighty-five thousand eight hundred sixty-four
Scientific notation
1.285864 × 10^6
Engineering notation
1.285864 × 10^6
Prime Factorization
2 × 2 × 2 × 67 × 2399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
321466
Product of the distinct prime numbers
The prime factorization of 1285864 is 2 × 2 × 2 × 67 × 2399.
Since it has a total of 5 prime factors.
5 , 5 , 78 , 39 , 403 , 447 , 4862 , 863 , 95583 , 94976 , 791553 , 654665 , 7292834 , 167858 , 27316369 , 76619969 , 739857700 , 546957491 , 8067935947 , 3550079190
n×2
2571728
n×3
3857592
n×4
5143456
n×5
6429320
n÷2
642932
n÷3
428621.33333333
n÷3
321466
n÷5
257172.8
n2
1653446226496
n3
2126106978587052544
n4
2.7338844239139E+24
n5
3.5154035608716E+30
2 √n
1133.9594349006
3 √n
108.74225778326
4 √n
33.674314171198
5 √n
16.666292804561
1 , 2 , 4 , 8 , 67 , 134 , 268 , 536 , 2399 , 4798 , 9596 , 19192 , 160733 , 321466 , 642932 , 1285864
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1285863
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1285864 can be divided by 16 positive divisors.
The sum of these divisors (counting 1285864) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111001111011101000
3
Ternary
2102022212121
4
Quaternary
10321323220
5
Quinary
312121424
6
Senary
43321024
8
Octal
4717350
10
Decimal
1285864
12
Duodecimal
520174
16
Hexadecimal
139ee8
20
Vigesimal
80ed4
36
Base36
rk6g
md5
1cfc8a22d849137cbdb3895d296af644
sha1
9d576d7ff6321e59df9adc131f712123f187e052
sha256
7d2dc485a929802e15c3797f2cd69dd368fc05212102bb6f73bb912b4ea05609
sha512
e002a048d8d1f3df1cdc268983ec6598f294d28279fbd31e254f0be0c87b1a90953a61fd2a408e450e81e193ff7ae6cd624a712642df9939145af9c603ae4813
ripemd-160
a496cb47736bb31f5a1cd48f3d376d0f39608753
Diameter
2571728
Circumference
8079321.7918312
Area
5194454518265.6
Volume
8.9058160862334E+18
Surface area
20777818073062
Circumference
8079321.7918312
Perimeter
5143456
Area
1653446226496
Diagonal
1818486.3081673
Surface area
9920677358976
Volume
2126106978587052544
Space diagonal
2227181.7796237
Perimeter
3857592
Area
715963217968.53
Altitude
1113590.8898119
Surface area
715963217968.53
Volume
2.5056411034782E+17
Height
606162.10272244