1242971666 is an even 10-digits composite number following 1242971665
and preceding 1242971667 . In scientific notation, it is written as 1.242971666 × 10^9.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 621403920 positive integers (up to 1242971666) that are relatively prime to 1242971666.
1242971666 has 8 divisors, whose sum is 1864703244
The reverse of 1242971666 is 6661792421
Previous prime number is 73453
Is Prime? no
Number parity even
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion two hundred forty-two million nine hundred seventy-one thousand six hundred sixty-six
Scientific notation
1.242971666 × 10^9
Engineering notation
1.242971666 × 10^9
Prime Factorization
2 × 73453 × 8461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1242971666
Product of the distinct prime numbers
The prime factorization of 1242971666 is 2 × 73453 × 8461.
Since it has a total of 3 prime factors.
1 , 10 , 21 , 7 , 633 , 125 , 4714 , 9786 , 15304 , 12745 , 22020 , 300996 , 8087608 , 7004183 , 66073609 , 99999280 , 831474317 , 356839391 , 523615375 , 7280340128
n×2
2485943332
n×3
3728914998
n×4
4971886664
n×5
6214858330
n÷2
621485833
n÷3
414323888.66667
n÷3
310742916.5
n÷5
248594333.2
n2
1544978562478815556
n3
1.9203645777386E+27
n4
2.3869587585191E+36
n5
2.9669221047498E+45
2 √n
35255.803295344
3 √n
1075.1946043221
4 √n
187.76528778063
5 √n
65.901036573262
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
-1242971665
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 1242971666 can be divided by 8 positive divisors.
The sum of these divisors (counting 1242971666) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010000101100011111000010010
3
Ternary
10012121212111120122
4
Quaternary
1022011203320102
5
Quinary
10021200043131
6
Senary
323201110242
8
Octal
11205437022
10
Decimal
1242971666
12
Duodecimal
2a8328382
16
Hexadecimal
4a163e12
20
Vigesimal
j88b936
36
Base36
kk172q
md5
c7172de52ea4fdfe6420142013551054
sha1
3ef637a81285cff13014f05b32c6f4395919006d
sha256
c81d334b9d0fd87ba8351aa5e3f10c67cb0db8b9aaeef94f73338db6265e39f7
sha512
98e71b226fa21c9a71545a3a941f6a05f5d86058e945c37f5b531c6bed6dd477b607e58aaff7abb86654ddc13106e96bfe001929f02ae83b3b44b153eeeb8e8c
ripemd-160
a1e9bfe97f56b75b26f907dac1d4b9fea6cbb7d3
Diameter
2485943332
Circumference
7809821309.0517
Area
4.8536933018372E+18
Volume
8.0440043328501E+27
Surface area
1.9414773207349E+19
Circumference
7809821309.0517
Perimeter
4971886664
Area
1544978562478815556
Diagonal
1757827387.7027
Surface area
9.2698713748729E+18
Volume
1.9203645777386E+27
Space diagonal
2152890077.8805
Perimeter
3728914998
Area
6.6899534170451E+17
Altitude
1076445038.9403
Surface area
6.6899534170451E+17
Volume
2.2631713587823E+26
Height
585942462.56756