42021687 is an odd 8-digits composite number following 42021686
and preceding 42021688 . In scientific notation, it is written as 4.2021687 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 28014456 positive integers (up to 42021687) that are relatively prime to 42021687.
42021687 has 4 divisors, whose sum is 56028920
The reverse of 42021687 is 78612024
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
forty-two million twenty-one thousand six hundred eighty-seven
Scientific notation
4.2021687 × 10^7
Engineering notation
4.2021687 × 10^6
Prime Factorization
3 × 14007229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42021687
Product of the distinct prime numbers
The prime factorization of 42021687 is 3 × 14007229.
Since it has a total of 2 prime factors.
7 , 7 , 13 , 70 , 37 , 655 , 8553 , 5948 , 39085 , 31426 , 264608 , 98284 , 1275579 , 1851696 , 87108114 , 22759131 , 495991257 , 810537502 , 6283832370 , 9031551689
n×2
84043374
n×3
126065061
n×4
168086748
n×5
210108435
n÷2
21010843.5
n÷3
14007229
n÷3
10505421.75
n÷5
8404337.4
n2
1765822178325969
n3
7.4202826875272E+22
n4
3.1181279654679E+30
n5
1.3102899739084E+38
2 √n
6482.4136708482
3 √n
347.66248323344
4 √n
80.513437827783
5 √n
33.473004562759
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
-42021686
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 42021687 can be divided by 4 positive divisors.
The sum of these divisors (counting 42021687) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000010011001100110111
3
Ternary
2221001220220210
4
Quaternary
2200103030313
5
Quinary
41224143222
6
Senary
4100400503
8
Octal
240231467
10
Decimal
42021687
12
Duodecimal
120a6133
16
Hexadecimal
2813337
20
Vigesimal
d2ce47
36
Base36
p0o53
md5
12c9f2d1a0a5262336e87e90a6c9711e
sha1
a23e3d3c68f16fecd98418d6816bd4c7e2276210
sha256
e015e0606c7aa558bd7b498d55579f63cc96037043b1cf156e76b2a9f25484fe
sha512
7783a605e3b9d0124d69a5dc18ed7481bf7a8d1a146f864fa77efdcd43066777be6217d7514bbf518259d69730f25ff631f6bcbf873fdc583624f4a0e596faaa
ripemd-160
9089e953d90e2d96241687094cafe33539ea55ea
Diameter
84043374
Circumference
264030046.3413
Area
5.5474939829748E+15
Volume
3.108200743826E+23
Surface area
2.2189975931899E+16
Circumference
264030046.3413
Perimeter
168086748
Area
1765822178325969
Diagonal
59427639.669197
Surface area
10594933069955814
Volume
7.4202826875272E+22
Space diagonal
72783696.903757
Perimeter
126065061
Area
7.6462343249813E+14
Altitude
36391848.451878
Surface area
7.6462343249813E+14
Volume
8.7448870111194E+21
Height
19809213.223066