1208145 is an odd 7-digits composite number following 1208144
and preceding 1208146 . In scientific notation, it is written as 1.208145 × 10^6.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 639744 positive integers (up to 1208145) that are relatively prime to 1208145.
1208145 has 8 divisors, whose sum is 1297920
The reverse of 1208145 is 5418021
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 21
Digital Root 3
Name
one million two hundred eight thousand one hundred forty-five
Scientific notation
1.208145 × 10^6
Engineering notation
1.208145 × 10^6
Prime Factorization
15 × 239 × 337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1208145
Product of the distinct prime numbers
The prime factorization of 1208145 is 15 × 239 × 337.
Since it has a total of 3 prime factors.
4 , 6 , 8 , 74 , 310 , 604 , 7035 , 435 , 12290 , 16655 , 983202 , 302486 , 4679632 , 1354655 , 65145749 , 14615791 , 764941979 , 311895726 , 3554732236 , 3319087679
n×2
2416290
n×3
3624435
n×4
4832580
n×5
6040725
n÷2
604072.5
n÷3
402715
n÷3
302036.25
n÷5
241629
n2
1459614341025
n3
1763425768037648625
n4
2.1304740245258E+24
n5
2.5739215403608E+30
2 √n
1099.1564947722
3 √n
106.50574149654
4 √n
33.153529145058
5 √n
16.45977188949
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1208144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1208145 can be divided by 8 positive divisors.
The sum of these divisors (counting 1208145) is 1, the average is 0.125.
Base
System
Value
2
Binary
100100110111101010001
3
Ternary
2021101021010
4
Quaternary
10212331101
5
Quinary
302130040
6
Senary
41521133
8
Octal
4467521
10
Decimal
1208145
12
Duodecimal
4a31a9
16
Hexadecimal
126f51
20
Vigesimal
7b075
36
Base36
pw7l
md5
3646cee685f218e521e7587b8ed998fb
sha1
a9f048e0e4ea6906e66da9e65e585c0dba215e08
sha256
5a0142f4158a8989b739bdea03e7189e65cd2c69b112dd2748522d9a884edb64
sha512
c50ee14f4af2cae3e9f8ab3f1d369d7f441fafd5c715b19712930421236be17304a520346f842fab22208ffef1e3a9e352a2bde949e0b248d5e6aa2b96d27243
ripemd-160
0f0e8ba1e22b3bd8c02e9c50cb3faf7388a299b9
Diameter
2416290
Circumference
7590998.9129425
Area
4585513690838.4
Volume
7.386620584024E+18
Surface area
18342054763354
Circumference
7590998.9129425
Perimeter
4832580
Area
1459614341025
Diagonal
1708575.0443132
Surface area
8757686046150
Volume
1763425768037648625
Space diagonal
2092568.5229103
Perimeter
3624435
Area
632031549527.87
Altitude
1046284.2614552
Surface area
632031549527.87
Volume
2.0782171978309E+17
Height
569525.01477108