1247889742 is an even 10-digits composite number following 1247889741
and preceding 1247889743 . In scientific notation, it is written as 1.247889742 × 10^9.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 567046720 positive integers (up to 1247889742) that are relatively prime to 1247889742.
1247889742 has 16 divisors, whose sum is 2042634672
The reverse of 1247889742 is 2479887421
Previous prime number is 4253
Is Prime? no
Number parity even
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion two hundred forty-seven million eight hundred eighty-nine thousand seven hundred forty-two
Scientific notation
1.247889742 × 10^9
Engineering notation
1.247889742 × 10^9
Prime Factorization
2 × 11 × 4253 × 13337
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1247889742
Product of the distinct prime numbers
The prime factorization of 1247889742 is 2 × 11 × 4253 × 13337.
Since it has a total of 4 prime factors.
7 , 2 , 69 , 59 , 521 , 81 , 5124 , 1007 , 62385 , 37914 , 563892 , 628634 , 705921 , 9742100 , 50388853 , 72496705 , 684768842 , 932397642 , 8568318989 , 5266269208
n×2
2495779484
n×3
3743669226
n×4
4991558968
n×5
6239448710
n÷2
623944871
n÷3
415963247.33333
n÷3
311972435.5
n÷5
249577948.4
n2
1557228808188826564
n3
1.9432498556857E+27
n4
2.4249615610532E+36
n5
3.0260846567826E+45
2 √n
35325.482898327
3 √n
1076.6108151666
4 √n
187.95074593714
5 √n
65.953104463786
1 , 2 , 11 , 22 , 4253 , 8506 , 13337 , 26674 , 46783 , 93566 , 146707 , 293414 , 56722261 , 113444522 , 623944871 , 1247889742
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
-1247889741
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 1247889742 can be divided by 16 positive divisors.
The sum of these divisors (counting 1247889742) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010011000010100100101001110
3
Ternary
10012222010100220121
4
Quaternary
1022120110211032
5
Quinary
10023424432432
6
Senary
323454335154
8
Octal
11230244516
10
Decimal
1247889742
12
Duodecimal
2a9aba4ba
16
Hexadecimal
4a61494e
20
Vigesimal
j9j6472
36
Base36
kmylvy
md5
53237a2a4d66fa0deec64c33e329531a
sha1
b8b70ae0ac212c72fa3cfb639ed116920235c09a
sha256
fd8e9b649f1d70198a93c460661f638eeada941a3b6f2be517cfa7a12a8851e8
sha512
c382a71f95dd3877c1f7a209a2749b055ef3dfe4c8027f26a4352a0d14a3a2ac92300cc06b7a20d29c1eb4f48fd248f0dd73fb054324d0d902331ae07142507b
ripemd-160
e45538285b8606476985392c58d2741764faa06c
Diameter
2495779484
Circumference
7840722491.9145
Area
4.8921785837644E+18
Volume
8.1398659609489E+27
Surface area
1.9568714335058E+19
Circumference
7840722491.9145
Perimeter
4991558968
Area
1557228808188826564
Diagonal
1764782597.4827
Surface area
9.343372849133E+18
Volume
1.9432498556857E+27
Space diagonal
2161408435.388
Perimeter
3743669226
Area
6.7429985369824E+17
Altitude
1080704217.694
Surface area
6.7429985369824E+17
Volume
2.2901419174919E+26
Height
588260865.82755