1291275139 is an odd 10-digits composite number following 1291275138
and preceding 1291275140 . In scientific notation, it is written as 1.291275139 × 10^9.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 1006188360 positive integers (up to 1291275139) that are relatively prime to 1291275139.
1291275139 has 8 divisors, whose sum is 1609901568
The reverse of 1291275139 is 9315721921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion two hundred ninety-one million two hundred seventy-five thousand one hundred thirty-nine
Scientific notation
1.291275139 × 10^9
Engineering notation
1.291275139 × 10^9
Prime Factorization
11 × 7 × 16769807
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1291275139
Product of the distinct prime numbers
The prime factorization of 1291275139 is 11 × 7 × 16769807.
Since it has a total of 3 prime factors.
5 , 1 , 71 , 53 , 888 , 879 , 5517 , 1095 , 40261 , 70948 , 698240 , 887400 , 146371 , 1973323 , 46251233 , 4053078 , 666274433 , 980991575 , 9595231551 , 6046878364
n×2
2582550278
n×3
3873825417
n×4
5165100556
n×5
6456375695
n÷2
645637569.5
n÷3
430425046.33333
n÷3
322818784.75
n÷5
258255027.8
n2
1667391484599469321
n3
2.1530611710436E+27
n4
2.7801943629148E+36
n5
3.5899958624199E+45
2 √n
35934.317010345
3 √n
1088.9457975143
4 √n
189.56349071049
5 √n
66.405455177015
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
-1291275138
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 1291275139 can be divided by 8 positive divisors.
The sum of these divisors (counting 1291275139) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111101110100101110000011
3
Ternary
10022222202120111011
4
Quaternary
1030331310232003
5
Quinary
10121031301024
6
Senary
332044301351
8
Octal
11475645603
10
Decimal
1291275139
12
Duodecimal
300541857
16
Hexadecimal
4cf74b83
20
Vigesimal
103a97gj
36
Base36
lcsi9v
md5
f4d142cce641f24e5e1d83aac123aa7e
sha1
7a4a4fe5177840f5b4fa2e1102592ad3e8016a43
sha256
e0fe814cc89ebf08ef682b4bf83b3c865807c808e95e06bacdc76b8691fba0ec
sha512
aff7bb560757d3d7feb4cce46f265465f458e6460420534ed9d3b3a2e691d31d2edd164346680680866b9fc6981249d02841f651674b9b37295d3a7f158cbd8f
ripemd-160
53a28256b19c3717637d01307808cfcb49221c13
Diameter
2582550278
Circumference
8113320980.8911
Area
5.2382648386759E+18
Volume
9.0187215435733E+27
Surface area
2.0953059354703E+19
Circumference
8113320980.8911
Perimeter
5165100556
Area
1667391484599469321
Diagonal
1826138814.329
Surface area
1.0004348907597E+19
Volume
2.1530611710436E+27
Space diagonal
2236554147.2986
Perimeter
3873825417
Area
7.2200169185849E+17
Altitude
1118277073.6493
Surface area
7.2200169185849E+17
Volume
2.537406923924E+26
Height
608712938.10967