42187789 is an odd 8-digits composite number following 42187788
and preceding 42187790 . In scientific notation, it is written as 4.2187789 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 36160956 positive integers (up to 42187789) that are relatively prime to 42187789.
42187789 has 4 divisors, whose sum is 48214624
The reverse of 42187789 is 98778124
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
forty-two million one hundred eighty-seven thousand seven hundred eighty-nine
Scientific notation
4.2187789 × 10^7
Engineering notation
4.2187789 × 10^6
Prime Factorization
7 × 6026827
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42187789
Product of the distinct prime numbers
The prime factorization of 42187789 is 7 × 6026827.
Since it has a total of 2 prime factors.
2 , 9 , 41 , 96 , 532 , 368 , 2240 , 8567 , 95047 , 64932 , 314321 , 870825 , 9715288 , 2404185 , 51302783 , 82630217 , 921818285 , 605821729 , 3745837993 , 2546519285
n×2
84375578
n×3
126563367
n×4
168751156
n×5
210938945
n÷2
21093894.5
n÷3
14062596.333333
n÷3
10546947.25
n÷5
8437557.8
n2
1779809540708521
n3
7.5086229363598E+22
n4
3.1677220011971E+30
n5
1.3363918739716E+38
2 √n
6495.2127755756
3 √n
348.11995743421
4 √n
80.592882908949
5 √n
33.499425029619
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
-42187788
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 42187789 can be divided by 4 positive divisors.
The sum of these divisors (counting 42187789) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000111011110000001101
3
Ternary
2221101100202201
4
Quaternary
2200323300031
5
Quinary
41300002124
6
Senary
4104121501
8
Octal
240736015
10
Decimal
42187789
12
Duodecimal
12166291
16
Hexadecimal
283bc0d
20
Vigesimal
d3d999
36
Base36
p48b1
md5
24c128340658b82cd887d9d50474a192
sha1
e578bff7ed95dcc5753e54152c4ea041b2f36e6f
sha256
b5568a9cd653da3ccaaa1751bce1d305234eb09f4a8575e52d807e2dee09a29a
sha512
af73fd40d3110220159360003d96c8ae1a090783177b08d55b7a5625b1b5235c3c40050fcbdbb4757b327734927cb92a8fef96f3f4977deb86c8b5fd01be30da
ripemd-160
652ccb991fd8f6114d3e299c7a1da4033a8fdd7d
Diameter
84375578
Circumference
265073695.98719
Area
5.5914365778789E+15
Volume
3.1452046207258E+23
Surface area
2.2365746311516E+16
Circumference
265073695.98719
Perimeter
168751156
Area
1779809540708521
Diagonal
59662543.370334
Surface area
10678857244251126
Volume
7.5086229363598E+22
Space diagonal
73071394.006995
Perimeter
126563367
Area
7.7068013807575E+14
Altitude
36535697.003498
Surface area
7.7068013807575E+14
Volume
8.8489969927881E+21
Height
19887514.456778