642743284 is an even 9-digits composite number following 642743283
and preceding 642743285 . In scientific notation, it is written as 6.42743284 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 321320888 positive integers (up to 642743284) that are relatively prime to 642743284.
642743284 has 12 divisors, whose sum is 1124978400
The reverse of 642743284 is 482347246
Previous prime number is 12119
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred forty-two million seven hundred forty-three thousand two hundred eighty-four
Scientific notation
6.42743284 × 10^8
Engineering notation
6.42743284 × 10^6
Prime Factorization
2 × 2 × 12119 × 13259
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
321371642
Product of the distinct prime numbers
The prime factorization of 642743284 is 2 × 2 × 12119 × 13259.
Since it has a total of 4 prime factors.
4 , 5 , 99 , 43 , 740 , 286 , 2658 , 3739 , 36373 , 14477 , 557728 , 835781 , 6803479 , 5660821 , 20652148 , 63826248 , 917870326 , 97041154 , 8807805534 , 6418749019
n×2
1285486568
n×3
1928229852
n×4
2570973136
n×5
3213716420
n÷2
321371642
n÷3
214247761.33333
n÷3
160685821
n÷5
128548656.8
n2
413118929127104656
n3
2.6552941718972E+26
n4
1.7066724960313E+35
n5
1.0969522848116E+44
2 √n
25352.382215484
3 √n
863.00341804853
4 √n
159.22431414669
5 √n
57.757383326574
1 , 2 , 4 , 12119 , 13259 , 24238 , 26518 , 48476 , 53036 , 160685821 , 321371642 , 642743284
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642743283
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642743284 can be divided by 12 positive divisors.
The sum of these divisors (counting 642743284) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110010011110111101111110100
3
Ternary
1122210102202000211
4
Quaternary
212103313233310
5
Quinary
2304020241114
6
Senary
143440115204
8
Octal
4623675764
10
Decimal
642743284
12
Duodecimal
15b305b04
16
Hexadecimal
264f7bf4
20
Vigesimal
a0h2i44
36
Base36
amo7w4
md5
dd5f0f662e90157a360aa42c21d36170
sha1
ce06b1ca6f5f9d7b793dd676151aba74b5999507
sha256
ba0cf4829f8cd0545d90748a0c7fd5362c9d8d3100fec68a567bec21bd3760a3
sha512
3710a96e47642d21e7a2837c1f7494d1381834e59f3c09604cbb323a1cfd9d66ba91f4a4fb9fe6a076f9de7b6d70d76df38e279a562f3b3a5c66bfd1163325fe
ripemd-160
6961b3225a9feb5370d7f7f6b9bdce7bd673410f
Diameter
1285486568
Circumference
4038475158.3172
Area
1.2978513928046E+18
Volume
1.1122470218069E+27
Surface area
5.1914055712184E+18
Circumference
4038475158.3172
Perimeter
2570973136
Area
413118929127104656
Diagonal
908976269.35702
Surface area
2478713574762627936
Volume
2.6552941718972E+26
Space diagonal
1113264024.1117
Perimeter
1928229852
Area
1.7888574370415E+17
Altitude
556632012.05584
Surface area
1.7888574370415E+17
Volume
3.129294191656E+25
Height
302992089.78567