1291009105 is an odd 10-digits composite number following 1291009104
and preceding 1291009106 . In scientific notation, it is written as 1.291009105 × 10^9.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 999490800 positive integers (up to 1291009105) that are relatively prime to 1291009105.
1291009105 has 8 divisors, whose sum is 1599185664
The reverse of 1291009105 is 5019001921
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 28
Digital Root 1
Name
one billion two hundred ninety-one million nine thousand one hundred five
Scientific notation
1.291009105 × 10^9
Engineering notation
1.291009105 × 10^9
Prime Factorization
5 × 31 × 8329091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1291009105
Product of the distinct prime numbers
The prime factorization of 1291009105 is 5 × 31 × 8329091.
Since it has a total of 3 prime factors.
3 , 5 , 86 , 31 , 223 , 14 , 9536 , 7174 , 48724 , 24499 , 544132 , 635929 , 3163035 , 2251756 , 52959206 , 23006704 , 976560909 , 907721214 , 7737847387 , 5880281178
n×2
2582018210
n×3
3873027315
n×4
5164036420
n×5
6455045525
n÷2
645504552.5
n÷3
430336368.33333
n÷3
322752276.25
n÷5
258201821
n2
1666704509192901025
n3
2.1517306967126E+27
n4
2.7779039209639E+36
n5
3.5862992547797E+45
2 √n
35930.615149201
3 √n
1088.8710092954
4 √n
189.55372628677
5 √n
66.402718724594
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
-1291009104
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 1291009105 can be divided by 8 positive divisors.
The sum of these divisors (counting 1291009105) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111100110011110001010001
3
Ternary
10022222021001120001
4
Quaternary
1030330303301101
5
Quinary
10120444242410
6
Senary
332034450001
8
Octal
11474636121
10
Decimal
1291009105
12
Duodecimal
300433901
16
Hexadecimal
4cf33c51
20
Vigesimal
1038g2f5
36
Base36
lcmt01
md5
e09c27a3485aced6fc32ba6618100338
sha1
08505eecb8b756808dacffd528a3170d0acf2f74
sha256
73f7d0f06835c1663f427f81f2c5141a4ae5a112f633a030e294c334985a27bf
sha512
fc104e9323bbd46eb15500ad2ac9891e539c187961e8fcfaec21bb80c26e7fe3bb6aebe1f13f72efbb90bc7b42a04a0fb53cb05ebb000982a50d124b63ea4d87
ripemd-160
47771bfcc3d67c878c708e5805d900a7739534eb
Diameter
2582018210
Circumference
8111649439.9711
Area
5.2361066417854E+18
Volume
9.0131484657279E+27
Surface area
2.0944426567142E+19
Circumference
8111649439.9711
Perimeter
5164036420
Area
1666704509192901025
Diagonal
1825762585.4382
Surface area
1.0000227055157E+19
Volume
2.1517306967126E+27
Space diagonal
2236093362.894
Perimeter
3873027315
Area
7.2170422278156E+17
Altitude
1118046681.447
Surface area
7.2170422278156E+17
Volume
2.5358389448879E+26
Height
608587528.47938