42789945 is an odd 8-digits composite number following 42789944
and preceding 42789946 . In scientific notation, it is written as 4.2789945 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 19595520 positive integers (up to 42789945) that are relatively prime to 42789945.
42789945 has 16 divisors, whose sum is 58979648
The reverse of 42789945 is 54998724
Previous prime number is 2365
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
forty-two million seven hundred eighty-nine thousand nine hundred forty-five
Scientific notation
4.2789945 × 10^7
Engineering notation
4.2789945 × 10^6
Prime Factorization
3 × 37 × 2365 × 163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42789945
Product of the distinct prime numbers
The prime factorization of 42789945 is 3 × 37 × 2365 × 163.
Since it has a total of 4 prime factors.
3 , 4 , 87 , 85 , 229 , 158 , 893 , 6755 , 98171 , 43929 , 168668 , 434817 , 8163497 , 430647 , 55890389 , 29938813 , 886955086 , 977849230 , 5725247039 , 2335097087
n×2
85579890
n×3
128369835
n×4
171159780
n×5
213949725
n÷2
21394972.5
n÷3
14263315
n÷3
10697486.25
n÷5
8557989
n2
1830979393103025
n3
7.8347507527012E+22
n4
3.3524855379679E+30
n5
1.4345267178294E+38
2 √n
6541.4023725804
3 √n
349.76840461
4 √n
80.87893651984
5 √n
33.594512682424
1 , 3 , 37 , 111 , 163 , 489 , 2365 , 6031 , 7095 , 18093 , 87505 , 262515 , 385495 , 1156485 , 14263315 , 42789945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42789944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42789945 can be divided by 16 positive divisors.
The sum of these divisors (counting 42789945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100011001110110000111001
3
Ternary
2222111221202210
4
Quaternary
2203032300321
5
Quinary
41423234240
6
Senary
4125045333
8
Octal
243166071
10
Decimal
42789945
12
Duodecimal
123b6849
16
Hexadecimal
28cec39
20
Vigesimal
d78eh5
36
Base36
ph4xl
md5
a2ede0ac38e6d5d99880dd60fe295583
sha1
1bd04300cdd5a5ba6ec82885228c727a7b61e57f
sha256
7708f4f54a117b58f148fe2f79082ac693c8dc4aa0b41555f69b1543297cf6e2
sha512
d075cb04c4edd09a7f588a1fa3fddd2eab62f72c13b29b78b2cb97e47bb16040bbc2f2c8c265ba0008c84762db50a0bbe04fad475f52896663124d544e0a9c48
ripemd-160
42a3c0f75660151a47ac6b692bb60efeb881a7ef
Diameter
85579890
Circumference
268857153.71902
Area
5.7521914102468E+15
Volume
3.2818127209858E+23
Surface area
2.3008765640987E+16
Circumference
268857153.71902
Perimeter
171159780
Area
1830979393103025
Diagonal
60514120.552199
Surface area
10985876358618150
Volume
7.8347507527012E+22
Space diagonal
74114358.793078
Perimeter
128369835
Area
7.9283733411652E+14
Altitude
37057179.396539
Surface area
7.9283733411652E+14
Volume
9.2333423102357E+21
Height
20171373.5174