1245139 is an odd 7-digits composite number following 1245138
and preceding 1245140 . In scientific notation, it is written as 1.245139 × 10^6.
The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors.
There are 1067220 positive integers (up to 1245139) that are relatively prime to 1245139.
1245139 has 6 divisors, whose sum is 1448484
The reverse of 1245139 is 9315421
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7
Name
one million two hundred forty-five thousand one hundred thirty-nine
Scientific notation
1.245139 × 10^6
Engineering notation
1.245139 × 10^6
Prime Factorization
7 × 7 × 25411
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
177877
Product of the distinct prime numbers
The prime factorization of 1245139 is 7 × 7 × 25411.
Since it has a total of 3 prime factors.
8 , 5 , 18 , 25 , 623 , 933 , 1893 , 7655 , 88255 , 98481 , 542942 , 446647 , 1488551 , 7101399 , 78820188 , 24094044 , 624028572 , 23690504 , 169436700 , 1307748931
n×2
2490278
n×3
3735417
n×4
4980556
n×5
6225695
n÷2
622569.5
n÷3
415046.33333333
n÷3
311284.75
n÷5
249027.8
n2
1550371129321
n3
1930427557591620619
n4
2.4036506386321E+24
n5
2.9928791525357E+30
2 √n
1115.857965872
3 √n
107.5819170102
4 √n
33.404460269132
5 √n
16.559360741524
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1245138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1245139 can be divided by 6 positive divisors.
The sum of these divisors (counting 1245139) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100101111111111010011
3
Ternary
2100021000021
4
Quaternary
10233333103
5
Quinary
304321024
6
Senary
42404311
8
Octal
4577723
10
Decimal
1245139
12
Duodecimal
500697
16
Hexadecimal
12ffd3
20
Vigesimal
7fcgj
36
Base36
qor7
md5
318f329c676bda339f9ff1df3c529f70
sha1
7b84746602be7eefba50f3e31b81e0a9ef14b4f5
sha256
dc2ea52ba19d622dd0d19ec3efdc4e6aa02d6dba4d0b84c40011e6bdf349a758
sha512
87a0c065ed44dd460bfd7c7ae24d7836948ad15c4e08a6c953bace9b8bcb29866b5f352699a5f63d1eb3bf9da2ef3dbf7e60b94d7376da9f89e724ff9a6d6be6
ripemd-160
afbcd64d0af989f1bc2be719f1908e70114739f8
Diameter
2490278
Circumference
7823439.0701963
Area
4870634550212.6
Volume
8.0861560442895E+18
Surface area
19482538200850
Circumference
7823439.0701963
Perimeter
4980556
Area
1550371129321
Diagonal
1760892.4608397
Surface area
9302226775926
Volume
1930427557591620619
Space diagonal
2156644.0104855
Perimeter
3735417
Area
671330391642.98
Altitude
1078322.0052428
Surface area
671330391642.98
Volume
2.2750306942707E+17
Height
586964.15361322