42782821 is an odd 8-digits composite number following 42782820
and preceding 42782822 . In scientific notation, it is written as 4.2782821 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 41310000 positive integers (up to 42782821) that are relatively prime to 42782821.
42782821 has 8 divisors, whose sum is 44261888
The reverse of 42782821 is 12828724
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
forty-two million seven hundred eighty-two thousand eight hundred twenty-one
Scientific notation
4.2782821 × 10^7
Engineering notation
4.2782821 × 10^6
Prime Factorization
31 × 541 × 2551
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42782821
Product of the distinct prime numbers
The prime factorization of 42782821 is 31 × 541 × 2551.
Since it has a total of 3 prime factors.
3 , 1 , 76 , 49 , 102 , 792 , 6104 , 6632 , 44709 , 1959 , 716783 , 497399 , 3534817 , 450238 , 95181649 , 22060165 , 869629870 , 930242752 , 2847057620 , 6994831985
n×2
85565642
n×3
128348463
n×4
171131284
n×5
213914105
n÷2
21391410.5
n÷3
14260940.333333
n÷3
10695705.25
n÷5
8556564.2
n2
1830369772718041
n3
7.8308382350007E+22
n4
3.3502535048799E+30
n5
1.433332960039E+38
2 √n
6540.8578183599
3 √n
349.74899281899
4 √n
80.875569972396
5 √n
33.593393993218
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42782820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42782821 can be divided by 8 positive divisors.
The sum of these divisors (counting 42782821) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011001101000001100101
3
Ternary
2222111120222221
4
Quaternary
2203031001211
5
Quinary
41423022241
6
Senary
4124552341
8
Octal
243150145
10
Decimal
42782821
12
Duodecimal
123b26b1
16
Hexadecimal
28cd065
20
Vigesimal
d77h11
36
Base36
pgzfp
md5
3018127fd2389cedd26114f2611d49cc
sha1
91ee2aad71d9ec13fbe3b05ba5e95d97c3b1c36b
sha256
25efb78d593ed2806f89212129c3b3e4efba69304ee0f6c16ec2f8f385807de1
sha512
546b80dbef0ea9cbaba19bfca3cce1918455726b6309273639aa29f5f500326a3ac5e68d4ce85bb0f7bf092daa31de691eeb28d69b6625004e6f159b6a538c5b
ripemd-160
1000dcdb74be28e065602ae2170d4dcde009a00b
Diameter
85565642
Circumference
268812392.30689
Area
5.7502762313238E+15
Volume
3.2801738494038E+23
Surface area
2.3001104925295E+16
Circumference
268812392.30689
Perimeter
171131284
Area
1830369772718041
Diagonal
60504045.69478
Surface area
10982218636308246
Volume
7.8308382350007E+22
Space diagonal
74102019.663125
Perimeter
128348463
Area
7.9257336074649E+14
Altitude
37051009.831562
Surface area
7.9257336074649E+14
Volume
9.2287313639064E+21
Height
20168015.231593