42187865 is an odd 8-digits composite number following 42187864
and preceding 42187866 . In scientific notation, it is written as 4.2187865 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 32282800 positive integers (up to 42187865) that are relatively prime to 42187865.
42187865 has 8 divisors, whose sum is 52826688
The reverse of 42187865 is 56878124
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
forty-two million one hundred eighty-seven thousand eight hundred sixty-five
Scientific notation
4.2187865 × 10^7
Engineering notation
4.2187865 × 10^6
Prime Factorization
5 × 23 × 366851
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42187865
Product of the distinct prime numbers
The prime factorization of 42187865 is 5 × 23 × 366851.
Since it has a total of 3 prime factors.
1 , 3 , 24 , 61 , 842 , 985 , 9023 , 5282 , 11961 , 34664 , 604970 , 914891 , 8315636 , 1196904 , 45487116 , 78426197 , 267353969 , 986750964 , 7249092712 , 6781052382
n×2
84375730
n×3
126563595
n×4
168751460
n×5
210939325
n÷2
21093932.5
n÷3
14062621.666667
n÷3
10546966.25
n÷5
8437573
n2
1779815953258225
n3
7.5086635160904E+22
n4
3.1677448274725E+30
n5
1.3364039113586E+38
2 √n
6495.2186260356
3 √n
348.12016647654
4 √n
80.592919205322
5 √n
33.499437099247
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
-42187864
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 42187865 can be divided by 8 positive divisors.
The sum of these divisors (counting 42187865) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000111011110001011001
3
Ternary
2221101100212112
4
Quaternary
2200323301121
5
Quinary
41300002430
6
Senary
4104122105
8
Octal
240736131
10
Decimal
42187865
12
Duodecimal
12166335
16
Hexadecimal
283bc59
20
Vigesimal
d3d9d5
36
Base36
p48d5
md5
f0bdac0261ff1ffdec1a198f98a14565
sha1
349bd5a0e30a7779edbbf9c38d247f303eb5cc0a
sha256
2443bf9264d529e8d26b8dac5cddddf4964f3e69cb903ad3e7dcff37fb4f0225
sha512
75ae615e15baa36a27e4eed34155c5aeb839759d26547e5d4a6f031bdd62b8242878479b6d6b57bf907fa5d3ddfb9be9eb60e0d6797072b6c0312b2f5fbee89e
ripemd-160
c749f1973a6909f91578c2682d6d8bf4a2fa68f2
Diameter
84375730
Circumference
265074173.50928
Area
5.591456723498E+15
Volume
3.1452216187237E+23
Surface area
2.2365826893992E+16
Circumference
265074173.50928
Perimeter
168751460
Area
1779815953258225
Diagonal
59662650.850565
Surface area
10678895719549350
Volume
7.5086635160904E+22
Space diagonal
73071525.642857
Perimeter
126563595
Area
7.7068291479122E+14
Altitude
36535762.821428
Surface area
7.7068291479122E+14
Volume
8.8490448164593E+21
Height
19887550.283522