642023787 is an odd 9-digits composite number following 642023786
and preceding 642023788 . In scientific notation, it is written as 6.42023787 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 428015856 positive integers (up to 642023787) that are relatively prime to 642023787.
642023787 has 4 divisors, whose sum is 856031720
The reverse of 642023787 is 787320246
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred forty-two million twenty-three thousand seven hundred eighty-seven
Scientific notation
6.42023787 × 10^8
Engineering notation
6.42023787 × 10^6
Prime Factorization
3 × 214007929
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642023787
Product of the distinct prime numbers
The prime factorization of 642023787 is 3 × 214007929.
Since it has a total of 2 prime factors.
6 , 9 , 93 , 9 , 551 , 768 , 1119 , 7269 , 8203 , 90844 , 602183 , 252667 , 4538772 , 4625549 , 98874691 , 41687070 , 330743009 , 355698383 , 9711238950 , 119276831
n×2
1284047574
n×3
1926071361
n×4
2568095148
n×5
3210118935
n÷2
321011893.5
n÷3
214007929
n÷3
160505946.75
n÷5
128404757.4
n2
412194543073821369
n3
2.6463870152499E+26
n4
1.6990434133984E+35
n5
1.0908262865474E+44
2 √n
25338.188313295
3 √n
862.68127792287
4 √n
159.17973587519
5 √n
57.74444662694
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642023786
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642023787 can be divided by 4 positive divisors.
The sum of these divisors (counting 642023787) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010001001000000101101011
3
Ternary
1122202002012001210
4
Quaternary
212101020011223
5
Quinary
2303324230122
6
Senary
143412444203
8
Octal
4621100553
10
Decimal
642023787
12
Duodecimal
15b019663
16
Hexadecimal
2644816b
20
Vigesimal
a0ccj97
36
Base36
am8sq3
md5
e1a18d951ecc0f129513708738dfda8b
sha1
153f2a27e75fa1509762b5813ee0f43ba464f25c
sha256
94030039e563cae5d33d34b0773c2488ddd4b0bd64f249f57227524c9f06c4e6
sha512
d2fea1849dd17b92c6fd75c874c91370cf65a054c08cab9c762401383d4ca3efc5e0a67e33926ac85faa038e474be08cba0c84e9af03e91a61c984c638938063
ripemd-160
22f66619b7b99dce044bbbcad9a15aa76a131e58
Diameter
1284047574
Circumference
4033954425.3382
Area
1.2949473483705E+18
Volume
1.1085160007553E+27
Surface area
5.1797893934821E+18
Circumference
4033954425.3382
Perimeter
2568095148
Area
412194543073821369
Diagonal
907958746.94154
Surface area
2473167258442928214
Volume
2.6463870152499E+26
Space diagonal
1112017818.7518
Perimeter
1926071361
Area
1.7848547280162E+17
Altitude
556008909.37589
Surface area
1.7848547280162E+17
Volume
3.1187970068787E+25
Height
302652915.64718