42126987 is an odd 8-digits composite number following 42126986
and preceding 42126988 . In scientific notation, it is written as 4.2126987 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 23351328 positive integers (up to 42126987) that are relatively prime to 42126987.
42126987 has 16 divisors, whose sum is 45478400
The reverse of 42126987 is 78962124
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
forty-two million one hundred twenty-six thousand nine hundred eighty-seven
Scientific notation
4.2126987 × 10^7
Engineering notation
4.2126987 × 10^6
Prime Factorization
21 × 67 × 79 × 379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42126987
Product of the distinct prime numbers
The prime factorization of 42126987 is 21 × 67 × 79 × 379.
Since it has a total of 4 prime factors.
3 , 8 , 26 , 83 , 607 , 369 , 6736 , 4 , 41658 , 33991 , 416801 , 431603 , 1990482 , 2866054 , 17159810 , 8843537 , 663008095 , 579572694 , 5739676322 , 3258982725
n×2
84253974
n×3
126380961
n×4
168507948
n×5
210634935
n÷2
21063493.5
n÷3
14042329
n÷3
10531746.75
n÷5
8425397.4
n2
1774683033698169
n3
7.4762049089723E+22
n4
3.1494998700961E+30
n5
1.3267894008404E+38
2 √n
6490.5305638291
3 √n
347.95263756277
4 √n
80.563829128394
5 √n
33.489763431717
1 , 21 , 67 , 79 , 379 , 1407 , 1659 , 5293 , 7959 , 25393 , 29941 , 111153 , 533253 , 628761 , 2006047 , 42126987
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
-42126986
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 42126987 can be divided by 16 positive divisors.
The sum of these divisors (counting 42126987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100000101100111010001011
3
Ternary
2221021021100210
4
Quaternary
2200230322023
5
Quinary
41241030422
6
Senary
4102532203
8
Octal
240547213
10
Decimal
42126987
12
Duodecimal
12137063
16
Hexadecimal
282ce8b
20
Vigesimal
d35h97
36
Base36
p2xe3
md5
814c9f81d72a309a873a44d1753494ba
sha1
037e51605ad2bd95fe4b3b66e94d909d2387546b
sha256
2d1cd77b2795b585b16a7f1058ba5bde16cde032966d9d5ba5b4dd04952c2ea2
sha512
83caf2ab8458be01c81df47aaa1665e5cdec25314911f3ee89d8980f00bee8c6954a93026207698201301032a6c458b57390c5473b66185a54760890515ecbb4
ripemd-160
401f29c58270bc8a2c41742d309299020f690b65
Diameter
84253974
Circumference
264691665.75415
Area
5.5753311811166E+15
Volume
3.1316253891679E+23
Surface area
2.2301324724466E+16
Circumference
264691665.75415
Perimeter
168507948
Area
1774683033698169
Diagonal
59576556.357315
Surface area
10648098202189014
Volume
7.4762049089723E+22
Space diagonal
72966081.853794
Perimeter
126380961
Area
7.6846029542392E+14
Altitude
36483040.926897
Surface area
7.6846029542392E+14
Volume
8.8107919811242E+21
Height
19858852.119105