642012387 is an odd 9-digits composite number following 642012386
and preceding 642012388 . In scientific notation, it is written as 6.42012387 × 10^8.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 409058640 positive integers (up to 642012387) that are relatively prime to 642012387.
642012387 has 24 divisors, whose sum is 895511232
The reverse of 642012387 is 783210246
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
six hundred forty-two million twelve thousand three hundred eighty-seven
Scientific notation
6.42012387 × 10^8
Engineering notation
6.42012387 × 10^6
Prime Factorization
3 × 31 × 83 × 31 × 2683
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20710077
Product of the distinct prime numbers
The prime factorization of 642012387 is 3 × 31 × 83 × 31 × 2683.
Since it has a total of 5 prime factors.
3 , 2 , 43 , 13 , 628 , 307 , 5620 , 9086 , 85889 , 33546 , 755356 , 488981 , 99373 , 6207179 , 63194615 , 78128303 , 749245392 , 951876131 , 8279358030 , 1235209480
n×2
1284024774
n×3
1926037161
n×4
2568049548
n×5
3210061935
n÷2
321006193.5
n÷3
214004129
n÷3
160503096.75
n÷5
128402477.4
n2
412179905061437769
n3
2.6462460472193E+26
n4
1.6989227413646E+35
n5
1.090729444512E+44
2 √n
25337.963355408
3 √n
862.67617186866
4 √n
159.17902925765
5 √n
57.744241559346
1 , 3 , 31 , 83 , 93 , 249 , 961 , 2573 , 2683 , 2883 , 7719 , 8049 , 79763 , 83173 , 222689 , 239289 , 249519 , 668067 , 2578363 , 6903359 , 7735089 , 20710077 , 214004129 , 642012387
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
-642012386
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 642012387 can be divided by 24 positive divisors.
The sum of these divisors (counting 642012387) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110010001000101010011100011
3
Ternary
1122202001121102120
4
Quaternary
212101011103203
5
Quinary
2303323344022
6
Senary
143412315323
8
Octal
4621052343
10
Decimal
642012387
12
Duodecimal
15b012b43
16
Hexadecimal
264454e3
20
Vigesimal
a0cbaj7
36
Base36
am8jxf
md5
82c35c6e2f2e22b0f5d40953a4e0a439
sha1
d10d33217d415fdfb91246dd40ce471c39acccd7
sha256
37c3e7a3b729b35b30494dac2ba3de8e9b849ded4e74867bd7e6be6b5645ae8e
sha512
ba6aa8b1bdc06f7f4de69c5fe60523696f170e326ceba038df6c17d3c478bf0b78ceae373c981dd28591bea7a4198f6e265b019d7d4372f088b95851f2353425
ripemd-160
05fe00213d35b6f294b1d55a2d0e70b3bcc659b5
Diameter
1284024774
Circumference
4033882797.0257
Area
1.2949013616984E+18
Volume
1.1084569522047E+27
Surface area
5.1796054467934E+18
Circumference
4033882797.0257
Perimeter
2568049548
Area
412179905061437769
Diagonal
907942624.90692
Surface area
2473079430368626614
Volume
2.6462460472193E+26
Space diagonal
1111998073.3726
Perimeter
1926037161
Area
1.7847913435633E+17
Altitude
555999036.68629
Surface area
1.7847913435633E+17
Volume
3.1186308744614E+25
Height
302647541.63564