42781439 is an odd 8-digits prime number following 42781438
and preceding 42781440 . In scientific notation, it is written as 4.2781439 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 42781438 positive integers (up to 42781439) that are relatively prime to 42781439.
42781439 has 2 divisors, whose sum is 42781440
The reverse of 42781439 is 93418724
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
forty-two million seven hundred eighty-one thousand four hundred thirty-nine
Scientific notation
4.2781439 × 10^7
Engineering notation
4.2781439 × 10^6
Prime Factorization
42781439
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
42781439 Product of the distinct prime numbers
The prime factorization of 42781439 is 42781439.
Since it has a total of 1 prime factors.
4 , 1 , 61 , 10 , 629 , 331 , 5626 , 2344 , 60431 , 60580 , 921795 , 580212 , 1149095 , 9621850 , 19290669 , 96240096 , 593429003 , 981769013 , 3609508751 , 986986383
n×2
85562878
n×3
128344317
n×4
171125756
n×5
213907195
n÷2
21390719.5
n÷3
14260479.666667
n÷3
10695359.75
n÷5
8556287.8
n2
1830251522910721
n3
7.8300793882062E+22
n4
3.349820637117E+30
n5
1.4331014724776E+38
2 √n6540.7521738711
3 √n349.74522683457
4 √n80.874916839964
5 √n33.593176959047
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
42781440 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
21390720 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
6540.7522503149 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999532508 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42781439 can be divided by 2 positive divisors.
The sum of these divisors (counting 42781439) is 42781440, the average is 21390720.
Base
System
Value
2
Binary
10100011001100101011111111
3
Ternary
2222111112002202
4
Quaternary
2203030223333
5
Quinary
41423001224
6
Senary
4124542115
8
Octal
243145377
10
Decimal
42781439
12
Duodecimal
123b193b
16
Hexadecimal
28ccaff
20
Vigesimal
d77dbj
36
Base36
pgydb
md5
3d3762df98e4e2f5648ba2f65f32692d
sha1
4536d68eb6acd50468840ffd2603407d1d45394d
sha256
361552733e8d7f389a86c3e98a3a4c8328c1e468afb22fcb8a910ee42940223e
sha512
1efb7aef14cc13e2a0d5e7595cbd9efe749088cf82fe4f55ad46deb3c5f622fbf324d36044d62b05b0432fd056af9fdc9b256b5a18273d2f053e5d4cb683d76f
ripemd-160
f148283d2afbd715856fee88b80e27e3b8742129
Diameter
85562878
Circumference
268803708.9448
Area
5.7499047385979E+15
Volume
3.2798559844018E+23
Surface area
2.2999618954391E+16
Circumference
268803708.9448
Perimeter
171125756
Area
1830251522910721
Diagonal
60502091.251637
Surface area
10981509137464326
Volume
7.8300793882062E+22
Space diagonal
74099625.968909
Perimeter
128344317
Area
7.9252215707792E+14
Altitude
37049812.984454
Surface area
7.9252215707792E+14
Volume
9.2278370543827E+21
Height
20167363.750546