42781487 is an odd 8-digits composite number following 42781486
and preceding 42781488 . In scientific notation, it is written as 4.2781487 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 36576000 positive integers (up to 42781487) that are relatively prime to 42781487.
42781487 has 8 divisors, whose sum is 49018272
The reverse of 42781487 is 78418724
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
forty-two million seven hundred eighty-one thousand four hundred eighty-seven
Scientific notation
4.2781487 × 10^7
Engineering notation
4.2781487 × 10^6
Prime Factorization
7 × 401 × 15241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42781487
Product of the distinct prime numbers
The prime factorization of 42781487 is 7 × 401 × 15241.
Since it has a total of 3 prime factors.
6 , 5 , 86 , 46 , 98 , 997 , 7165 , 2781 , 84702 , 44227 , 629987 , 461147 , 5167378 , 216431 , 35786886 , 42290549 , 699482219 , 560883253 , 9771778786 , 5531112565
n×2
85562974
n×3
128344461
n×4
171125948
n×5
213907435
n÷2
21390743.5
n÷3
14260495.666667
n÷3
10695371.75
n÷5
8556297.4
n2
1830255629931169
n3
7.8301057438577E+22
n4
3.3498356708947E+30
n5
1.4331095120652E+38
2 √n
6540.7558431729
3 √n
349.74535763712
4 √n
80.874939525003
5 √n
33.593184497231
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
-42781486
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 42781487 can be divided by 8 positive divisors.
The sum of these divisors (counting 42781487) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011001100101100101111
3
Ternary
2222111112011112
4
Quaternary
2203030230233
5
Quinary
41423001422
6
Senary
4124542235
8
Octal
243145457
10
Decimal
42781487
12
Duodecimal
123b197b
16
Hexadecimal
28ccb2f
20
Vigesimal
d77de7
36
Base36
pgyen
md5
22ede978cb38743443cfea0b05378717
sha1
39700d9f80fb431ce4c9a82cf357cca3cba4d1d1
sha256
9366b1d367b9f632ae7360108af76a7fec908665ffb6bcfc0def46ab3ac5a9e7
sha512
9412bb2e5c8786e7e42473a7544c7f6ca52ecd37df13a84e8096ccbad17f318b0822d5f67d4297c0a3bb8c7e2d2c4217812265e4e39e309b78f97e8d92b2452a
ripemd-160
071f6616adad45129ca7c105a48a2fae05149343
Diameter
85562974
Circumference
268804010.53769
Area
5.7499176411831E+15
Volume
3.2798670242313E+23
Surface area
2.2999670564732E+16
Circumference
268804010.53769
Perimeter
171125948
Area
1830255629931169
Diagonal
60502159.133888
Surface area
10981533779587014
Volume
7.8301057438577E+22
Space diagonal
74099709.107347
Perimeter
128344461
Area
7.9252393546994E+14
Altitude
37049854.553674
Surface area
7.9252393546994E+14
Volume
9.2278681148159E+21
Height
20167386.377963