642012388 is an even 9-digits composite number following 642012387
and preceding 642012389 . In scientific notation, it is written as 6.42012388 × 10^8.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 315920640 positive integers (up to 642012388) that are relatively prime to 642012388.
642012388 has 24 divisors, whose sum is 1141378560
The reverse of 642012388 is 883210246
Previous prime number is 673
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
six hundred forty-two million twelve thousand three hundred eighty-eight
Scientific notation
6.42012388 × 10^8
Engineering notation
6.42012388 × 10^6
Prime Factorization
2 × 2 × 71 × 673 × 3359
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
321006194
Product of the distinct prime numbers
The prime factorization of 642012388 is 2 × 2 × 71 × 673 × 3359.
Since it has a total of 5 prime factors.
8 , 7 , 97 , 72 , 727 , 658 , 6471 , 8129 , 94909 , 80552 , 68920 , 314665 , 9235756 , 1155845 , 21770760 , 37845074 , 471076138 , 327269873 , 3699905980 , 5765151570
n×2
1284024776
n×3
1926037164
n×4
2568049552
n×5
3210061940
n÷2
321006194
n÷3
214004129.33333
n÷3
160503097
n÷5
128402477.6
n2
412179906345462544
n3
2.6462460595847E+26
n4
1.6989227519495E+35
n5
1.0907294530067E+44
2 √n
25337.963375141
3 √n
862.67617231656
4 √n
159.17902931964
5 √n
57.744241577334
1 , 2 , 4 , 71 , 142 , 284 , 673 , 1346 , 2692 , 3359 , 6718 , 13436 , 47783 , 95566 , 191132 , 238489 , 476978 , 953956 , 2260607 , 4521214 , 9042428 , 160503097 , 321006194 , 642012388
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642012387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642012388 can be divided by 24 positive divisors.
The sum of these divisors (counting 642012388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110010001000101010011100100
3
Ternary
1122202001121102121
4
Quaternary
212101011103210
5
Quinary
2303323344023
6
Senary
143412315324
8
Octal
4621052344
10
Decimal
642012388
12
Duodecimal
15b012b44
16
Hexadecimal
264454e4
20
Vigesimal
a0cbaj8
36
Base36
am8jxg
md5
629fdfd0dfcc31fdd7eba280f2467271
sha1
31254bd2991f61146f266d93925b591a0e27b4f9
sha256
4aff2b8baa362131d7b55bbb1f2c62dd38aa56cf89290af7a60278c0543e0303
sha512
f73a96ef3d0a1057de1852c1a4c6be57f7247b5a9627cdb36eb5d5fd3968a6fe87be723014ecd60b3b17dd1800ca3a73655d4a4f6454b3056320ee9dcc6d2484
ripemd-160
5ae29432368e3b5d3abe8eded8a1cad40c64596a
Diameter
1284024776
Circumference
4033882803.3089
Area
1.2949013657322E+18
Volume
1.1084569573843E+27
Surface area
5.1796054629289E+18
Circumference
4033882803.3089
Perimeter
2568049552
Area
412179906345462544
Diagonal
907942626.32114
Surface area
2473079438072775264
Volume
2.6462460595847E+26
Space diagonal
1111998075.1046
Perimeter
1926037164
Area
1.7847913491233E+17
Altitude
555999037.55231
Surface area
1.7847913491233E+17
Volume
3.1186308890342E+25
Height
302647542.10705