42091287 is an odd 8-digits composite number following 42091286
and preceding 42091288 . In scientific notation, it is written as 4.2091287 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 24052152 positive integers (up to 42091287) that are relatively prime to 42091287.
42091287 has 8 divisors, whose sum is 64139136
The reverse of 42091287 is 78219024
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
forty-two million ninety-one thousand two hundred eighty-seven
Scientific notation
4.2091287 × 10^7
Engineering notation
4.2091287 × 10^6
Prime Factorization
3 × 7 × 2004347
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42091287
Product of the distinct prime numbers
The prime factorization of 42091287 is 3 × 7 × 2004347.
Since it has a total of 3 prime factors.
8 , 4 , 82 , 62 , 184 , 544 , 62 , 6418 , 81235 , 6042 , 736798 , 758088 , 7467902 , 1770138 , 72584065 , 31372535 , 793778397 , 1826229 , 4810616569 , 9735008617
n×2
84182574
n×3
126273861
n×4
168365148
n×5
210456435
n÷2
21045643.5
n÷3
14030429
n÷3
10522821.75
n÷5
8418257.4
n2
1771676441316369
n3
7.4572141562586E+22
n4
3.1388374127154E+30
n5
1.3211770638494E+38
2 √n
6487.7798205549
3 √n
347.85432038234
4 √n
80.546755493657
5 √n
33.484085408582
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
-42091286
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 42091287 can be divided by 8 positive divisors.
The sum of these divisors (counting 42091287) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000100100001100010111
3
Ternary
2221012110101120
4
Quaternary
2200210030113
5
Quinary
41233410122
6
Senary
4102055023
8
Octal
240441427
10
Decimal
42091287
12
Duodecimal
1211a473
16
Hexadecimal
2824317
20
Vigesimal
d31847
36
Base36
p25uf
md5
5e930d6100fc290f2ae0a498c0d733fe
sha1
e587cd96dcc4b481612c9034c0d172d4960d506e
sha256
03b11049b73deb3174d4e925e9f28245c920669990e76e7d381a38cea8555131
sha512
f8e996fccdb267e3aab363f8805e9da5409cc90c991f3982a88f71e94c9ae5e5a1442a5dc62aa188613251b50a40c3143c3936ddfc41290739625489a3e8bd41
ripemd-160
34886a67d69591e158ade7304344194d013ab5f9
Diameter
84182574
Circumference
264467356.03868
Area
5.5658856925776E+15
Volume
3.123670561273E+23
Surface area
2.226354277031E+16
Circumference
264467356.03868
Perimeter
168365148
Area
1771676441316369
Diagonal
59526068.933138
Surface area
10630058647898214
Volume
7.4572141562586E+22
Space diagonal
72904247.639963
Perimeter
126273861
Area
7.6715840273319E+14
Altitude
36452123.819982
Surface area
7.6715840273319E+14
Volume
8.788411164418E+21
Height
19842022.977713