1291491490 is an even 10-digits composite number following 1291491489
and preceding 1291491491 . In scientific notation, it is written as 1.291491490 × 10^9.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 516431344 positive integers (up to 1291491490) that are relatively prime to 1291491490.
1291491490 has 16 divisors, whose sum is 2325428352
The reverse of 1291491490 is 0941941921
Previous prime number is 3407
Is Prime? no
Number parity even
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion two hundred ninety-one million four hundred ninety-one thousand four hundred ninety
Scientific notation
1.291491490 × 10^9
Engineering notation
1.291491490 × 10^9
Prime Factorization
2 × 5 × 3407 × 37907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291491490
Product of the distinct prime numbers
The prime factorization of 1291491490 is 2 × 5 × 3407 × 37907.
Since it has a total of 4 prime factors.
5 , 1 , 2 , 24 , 54 , 878 , 7830 , 5732 , 64920 , 45711 , 930583 , 851510 , 5821767 , 9424269 , 20016941 , 24873628 , 961946812 , 809086394 , 4620442035 , 1247039156
n×2
2582982980
n×3
3874474470
n×4
5165965960
n×5
6457457450
n÷2
645745745
n÷3
430497163.33333
n÷3
322872872.5
n÷5
258298298
n2
1667950268742420100
n3
2.154143577824E+27
n4
2.7820580989979E+36
n5
3.5930043595414E+45
2 √n
35937.327251759
3 √n
1089.0066111366
4 √n
189.57143047347
5 √n
66.407680252591
1 , 2 , 5 , 10 , 3407 , 6814 , 17035 , 34070 , 37907 , 75814 , 189535 , 379070 , 129149149 , 258298298 , 645745745 , 1291491490
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
-1291491489
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 1291491490 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291491490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110101001100010100010
3
Ternary
10100000011120021011
4
Quaternary
1030332221202202
5
Quinary
10121110211430
6
Senary
332053051134
8
Octal
11476514242
10
Decimal
1291491490
12
Duodecimal
300626aaa
16
Hexadecimal
4cfa98a2
20
Vigesimal
103bg8ea
36
Base36
lcx57m
md5
26d57bf21da759d9ad4c27cd25e9a237
sha1
778ea100aac8dfe020de5d75c9af750adc76587f
sha256
9a0345b4242a7ff5e54754f6fb67428b906e4acba3406004403a436f7c0eea87
sha512
02534ed025ec4cc7d2fecca454dc04a139823a46cb849326c5150df078f4f133d926bf6eb2c59e66dcd9b5070f7e18ef000946b32de505d21a9fb5e5aa8013bd
ripemd-160
9df023455f14e713735c06ab827bee120b8ee358
Diameter
2582982980
Circumference
8114680354.3155
Area
5.2400203108343E+18
Volume
9.0232555184929E+27
Surface area
2.0960081243337E+19
Circumference
8114680354.3155
Perimeter
5165965960
Area
1667950268742420100
Diagonal
1826444780.8474
Surface area
1.0007701612455E+19
Volume
2.154143577824E+27
Space diagonal
2236928878.2228
Perimeter
3874474470
Area
7.2224365249001E+17
Altitude
1118464439.1114
Surface area
7.2224365249001E+17
Volume
2.5386825525481E+26
Height
608814926.94915