642078449 is an odd 9-digits composite number following 642078448
and preceding 642078450 . In scientific notation, it is written as 6.42078449 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 642027120 positive integers (up to 642078449) that are relatively prime to 642078449.
642078449 has 4 divisors, whose sum is 642129780
The reverse of 642078449 is 944870246
Previous prime number is 21589
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred forty-two million seventy-eight thousand four hundred forty-nine
Scientific notation
6.42078449 × 10^8
Engineering notation
6.42078449 × 10^6
Prime Factorization
21589 × 29741
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642078449
Product of the distinct prime numbers
The prime factorization of 642078449 is 21589 × 29741.
Since it has a total of 2 prime factors.
3 , 7 , 30 , 1 , 518 , 363 , 4471 , 4693 , 95070 , 45951 , 948099 , 378590 , 2323976 , 2041747 , 17085217 , 42534286 , 430121605 , 462888473 , 9363029976 , 4227898651
n×2
1284156898
n×3
1926235347
n×4
2568313796
n×5
3210392245
n÷2
321039224.5
n÷3
214026149.66667
n÷3
160519612.25
n÷5
128415689.8
n2
412264734670245601
n3
2.6470630141447E+26
n4
1.6996221145273E+35
n5
1.0912907311818E+44
2 √n
25339.266938884
3 √n
862.70576016519
4 √n
159.18312391357
5 √n
57.745429867597
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
-642078448
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 642078449 can be divided by 4 positive divisors.
The sum of these divisors (counting 642078449) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010001010101011011110001
3
Ternary
1122202011222001022
4
Quaternary
212101111123301
5
Quinary
2303333002244
6
Senary
143413545225
8
Octal
4621253361
10
Decimal
642078449
12
Duodecimal
15b045215
16
Hexadecimal
264556f1
20
Vigesimal
a0cjg29
36
Base36
am9ywh
md5
7d4df35981392e9f300f72a9c0cdf0ff
sha1
0dcc658dbb0d4580b349c956e1a9b557043e81be
sha256
e66000387573de27c3f2852286159cf6e3a7913df48a793b51d3568dd225a3b5
sha512
c0efbe6e59819e448413adf2c626d2e569d0a9e88f104131a780fddcaf0a357b2360b04b5ff0c7d84da012d8ac8d490e11175e800537fe103dafa2bb845fbf28
ripemd-160
8e994d0418416fa59418770cdc514cbb241f5f03
Diameter
1284156898
Circumference
4034297876.8135
Area
1.2951678617742E+18
Volume
1.1087991625102E+27
Surface area
5.1806714470968E+18
Circumference
4034297876.8135
Perimeter
2568313796
Area
412264734670245601
Diagonal
908036050.68328
Surface area
2473588408021473606
Volume
2.6470630141447E+26
Space diagonal
1112112496.113
Perimeter
1926235347
Area
1.7851586665444E+17
Altitude
556056248.05651
Surface area
1.7851586665444E+17
Volume
3.1195936792163E+25
Height
302678683.56109