1244721890 is an even 10-digits composite number following 1244721889
and preceding 1244721891 . In scientific notation, it is written as 1.244721890 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 497888752 positive integers (up to 1244721890) that are relatively prime to 1244721890.
1244721890 has 8 divisors, whose sum is 2240499420
The reverse of 1244721890 is 0981274421
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion two hundred forty-four million seven hundred twenty-one thousand eight hundred ninety
Scientific notation
1.244721890 × 10^9
Engineering notation
1.244721890 × 10^9
Prime Factorization
2 × 5 × 124472189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1244721890
Product of the distinct prime numbers
The prime factorization of 1244721890 is 2 × 5 × 124472189.
Since it has a total of 3 prime factors.
5 , 3 , 100 , 3 , 405 , 518 , 5618 , 7273 , 62821 , 85837 , 162232 , 159927 , 4543078 , 8368237 , 57973453 , 77655781 , 901542045 , 287217425 , 3029706552 , 9493716660
n×2
2489443780
n×3
3734165670
n×4
4978887560
n×5
6223609450
n÷2
622360945
n÷3
414907296.66667
n÷3
311180472.5
n÷5
248944378
n2
1549332583445172100
n3
1.9284881815045E+27
n4
2.4004314541249E+36
n5
2.9878695763938E+45
2 √n
35280.616349491
3 √n
1075.6990268755
4 √n
187.83135081634
5 √n
65.919585132171
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
-1244721889
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 1244721890 can be divided by 8 positive divisors.
The sum of these divisors (counting 1244721890) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010001100001111001011100010
3
Ternary
10012202011102102202
4
Quaternary
1022030033023202
5
Quinary
10022122100030
6
Senary
323302413202
8
Octal
11214171342
10
Decimal
1244721890
12
Duodecimal
2a8a31202
16
Hexadecimal
4a30f2e2
20
Vigesimal
j8ja4ea
36
Base36
kl2pk2
md5
bde62028f3c1275e34bb044cd5c6809f
sha1
ec551d3750084d849b99b1a4efbba33ac90caa14
sha256
592fb5c7a326c3a094a2b24d27acf6ab4ae96f0bb63462d8337130085be83a38
sha512
4eb28c2a712be99882334f4420fc96a52410063e71f6726dbfefb92f8518686848f2ac1787a620533076105f959c0bb69ed3b2f6f04ea7a7813f252675180ca1
ripemd-160
0111c469b298ae8d042722ea36a98b20046da279
Diameter
2489443780
Circumference
7820818290.7728
Area
4.8673718621186E+18
Volume
8.0780324047322E+27
Surface area
1.9469487448475E+19
Circumference
7820818290.7728
Perimeter
4978887560
Area
1549332583445172100
Diagonal
1760302578.2207
Surface area
9.295995500671E+18
Volume
1.9284881815045E+27
Space diagonal
2155921554.7732
Perimeter
3734165670
Area
6.7088068808725E+17
Altitude
1077960777.3866
Surface area
6.7088068808725E+17
Volume
2.2727451176332E+26
Height
586767526.07356