1291274242 is an even 10-digits composite number following 1291274241
and preceding 1291274243 . In scientific notation, it is written as 1.291274242 × 10^9.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 621147520 positive integers (up to 1291274242) that are relatively prime to 1291274242.
1291274242 has 16 divisors, whose sum is 2010857400
The reverse of 1291274242 is 2424721921
Previous prime number is 29
Is Prime? no
Number parity even
Number length 10
Sum of Digits 34
Digital Root 7
Name
one billion two hundred ninety-one million two hundred seventy-four thousand two hundred forty-two
Scientific notation
1.291274242 × 10^9
Engineering notation
1.291274242 × 10^9
Prime Factorization
2 × 281 × 29 × 79229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291274242
Product of the distinct prime numbers
The prime factorization of 1291274242 is 2 × 281 × 29 × 79229.
Since it has a total of 4 prime factors.
2 , 7 , 56 , 19 , 172 , 241 , 9082 , 111 , 19576 , 43738 , 899148 , 544037 , 6510837 , 1605903 , 41362098 , 12728406 , 881963064 , 776993778 , 7732116983 , 5078736827
n×2
2582548484
n×3
3873822726
n×4
5165096968
n×5
6456371210
n÷2
645637121
n÷3
430424747.33333
n÷3
322818560.5
n÷5
258254848.4
n2
1667389168052674564
n3
2.1530566840962E+27
n4
2.7801866377394E+36
n5
3.5899833932655E+45
2 √n
35934.304529238
3 √n
1088.9455453645
4 √n
189.56345778983
5 √n
66.405445951141
1 , 2 , 29 , 58 , 281 , 562 , 8149 , 16298 , 79229 , 158458 , 2297641 , 4595282 , 22263349 , 44526698 , 645637121 , 1291274242
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
-1291274241
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 1291274242 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291274242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111101110100100000000010
3
Ternary
10022222202112020221
4
Quaternary
1030331310200002
5
Quinary
10121031233432
6
Senary
332044253254
8
Octal
11475644002
10
Decimal
1291274242
12
Duodecimal
30054122a
16
Hexadecimal
4cf74802
20
Vigesimal
103a95c2
36
Base36
lcshky
md5
5a6bc68c8dcd7ac3c44cfc0298c458de
sha1
73f2da08e4e9a3d0cc0568da7c08627380164c8b
sha256
c3d49a6cf35440cce1fefadfcc0903af3e4e7c8de2d9803fd5d51cc0f00f1d0c
sha512
82609a5cacacde7659a67dc463c2ef1f53cc63195bddc1af228073c65aafdcd1c540aff0b2e670f8d5508354e2f6a79b9d3a070369c397c6eb161116374a3862
ripemd-160
4d59745f4afbf882c66881ec6526609812e1ebff
Diameter
2582548484
Circumference
8113315344.8739
Area
5.2382575610295E+18
Volume
9.0187027486921E+27
Surface area
2.0953030244118E+19
Circumference
8113315344.8739
Perimeter
5165096968
Area
1667389168052674564
Diagonal
1826137545.7794
Surface area
1.0004335008316E+19
Volume
2.1530566840962E+27
Space diagonal
2236552593.649
Perimeter
3873822726
Area
7.2200068876431E+17
Altitude
1118276296.8245
Surface area
7.2200068876431E+17
Volume
2.5374016360058E+26
Height
608712515.25981