1242907897 is an odd 10-digits composite number following 1242907896
and preceding 1242907898 . In scientific notation, it is written as 1.242907897 × 10^9.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 935101440 positive integers (up to 1242907897) that are relatively prime to 1242907897.
1242907897 has 16 divisors, whose sum is 1603036800
The reverse of 1242907897 is 7987092421
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion two hundred forty-two million nine hundred seven thousand eight hundred ninety-seven
Scientific notation
1.242907897 × 10^9
Engineering notation
1.242907897 × 10^9
Prime Factorization
11 × 7 × 29 × 556609
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1242907897
Product of the distinct prime numbers
The prime factorization of 1242907897 is 11 × 7 × 29 × 556609.
Since it has a total of 4 prime factors.
1 , 6 , 20 , 45 , 702 , 929 , 3751 , 4046 , 90199 , 38577 , 834761 , 277693 , 464920 , 5176956 , 11669658 , 53320574 , 912614579 , 872261460 , 1302820110 , 5947952535
n×2
2485815794
n×3
3728723691
n×4
4971631588
n×5
6214539485
n÷2
621453948.5
n÷3
414302632.33333
n÷3
310726974.25
n÷5
248581579.4
n2
1544820040424962609
n3
1.920069027688E+27
n4
2.3864689572986E+36
n5
2.9661611129718E+45
2 √n
35254.898907811
3 √n
1075.1762168669
4 √n
187.76287947252
5 √n
65.900360366466
1 , 7 , 11 , 29 , 77 , 203 , 319 , 2233 , 556609 , 3896263 , 6122699 , 16141661 , 42858893 , 112991627 , 177558271 , 1242907897
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
-1242907896
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 1242907897 can be divided by 16 positive divisors.
The sum of these divisors (counting 1242907897) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010000101010100010011111001
3
Ternary
10012121202021002211
4
Quaternary
1022011110103321
5
Quinary
10021141023042
6
Senary
323155455121
8
Octal
11205242371
10
Decimal
1242907897
12
Duodecimal
2a82b74a1
16
Hexadecimal
4a1544f9
20
Vigesimal
j8839eh
36
Base36
kjztvd
md5
9efb16913262d7c4ae266beb1ddd1b8a
sha1
82a8154d21ec2e407521905778a4ef8fc561f2aa
sha256
e6d9b6b790db0d87a02ba6570195fc5ec4f4a772f2fcff7c0017d07391a1a317
sha512
bddc8661ce2032444cec2b208100f1d97b8525587b851ab4fd08eff9cfa00e00fb833f1fccdf35fcdde061849180a003b7292dc0e65be8bdb66549b5dac28ec0
ripemd-160
6136590c64f65ce4d783fc0c381205c4a0dc135f
Diameter
2485815794
Circumference
7809420636.6079
Area
4.8531952901173E+18
Volume
8.0427663356934E+27
Surface area
1.9412781160469E+19
Circumference
7809420636.6079
Perimeter
4971631588
Area
1544820040424962609
Diagonal
1757737204.718
Surface area
9.2689202425498E+18
Volume
1.920069027688E+27
Space diagonal
2152779626.7326
Perimeter
3728723691
Area
6.6892669964166E+17
Altitude
1076389813.3663
Surface area
6.6892669964166E+17
Volume
2.2628230497075E+26
Height
585912401.57267