1291247742 is an even 10-digits composite number following 1291247741
and preceding 1291247743 . In scientific notation, it is written as 1.291247742 × 10^9.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 425816000 positive integers (up to 1291247742) that are relatively prime to 1291247742.
1291247742 has 16 divisors, whose sum is 2583067392
The reverse of 1291247742 is 2477421921
Previous prime number is 42607
Is Prime? no
Number parity even
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion two hundred ninety-one million two hundred forty-seven thousand seven hundred forty-two
Scientific notation
1.291247742 × 10^9
Engineering notation
1.291247742 × 10^9
Prime Factorization
2 × 3 × 42607 × 5051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291247742
Product of the distinct prime numbers
The prime factorization of 1291247742 is 2 × 3 × 42607 × 5051.
Since it has a total of 4 prime factors.
8 , 9 , 39 , 16 , 163 , 838 , 3360 , 473 , 41216 , 91286 , 944411 , 39464 , 6264698 , 492924 , 59475941 , 68497068 , 375536058 , 532036036 , 8979621537 , 4683707685
n×2
2582495484
n×3
3873743226
n×4
5164990968
n×5
6456238710
n÷2
645623871
n÷3
430415914
n÷3
322811935.5
n÷5
258249548.4
n2
1667320731220098564
n3
2.1529241293777E+27
n4
2.7799584207563E+36
n5
3.5896150336555E+45
2 √n
35933.935798907
3 √n
1088.9380960679
4 √n
189.56248520978
5 √n
66.405173389557
1 , 2 , 3 , 6 , 5051 , 10102 , 15153 , 30306 , 42607 , 85214 , 127821 , 255642 , 215207957 , 430415914 , 645623871 , 1291247742
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
-1291247741
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 1291247742 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291247742) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111101101110000001111110
3
Ternary
10022222201011220110
4
Quaternary
1030331232001332
5
Quinary
10121024411432
6
Senary
332043530450
8
Octal
11475560176
10
Decimal
1291247742
12
Duodecimal
300529a26
16
Hexadecimal
4cf6e07e
20
Vigesimal
103a5j72
36
Base36
lcrx4u
md5
d71d66d09157443c986d067747289ddc
sha1
d64d039012dc5840c65b804e57008f3a0f6a8d19
sha256
d3a07122dbfadcc0f4f67ca4880c3e33613869714a6385857a09be6c24739b54
sha512
5347d9860d567852cfe053de3c22c99e6274e313333ac505be14e481c7b598b501bbfde7baf7eb24c0dcd8bf327b978ea13cd08c2d15bdc97f8c3b2e8ca31a72
ripemd-160
ca6d90730bce8c257840600576ceed596701fcd6
Diameter
2582495484
Circumference
8113148840.4632
Area
5.238042560379E+18
Volume
9.0181475047858E+27
Surface area
2.0952170241516E+19
Circumference
8113148840.4632
Perimeter
5164990968
Area
1667320731220098564
Diagonal
1826100069.12
Surface area
1.0003924387321E+19
Volume
2.1529241293777E+27
Space diagonal
2236506694.3026
Perimeter
3873743226
Area
7.2197105474653E+17
Altitude
1118253347.1513
Surface area
7.2197105474653E+17
Volume
2.5372454187719E+26
Height
608700023.04001