42021915 is an odd 8-digits composite number following 42021914
and preceding 42021916 . In scientific notation, it is written as 4.2021915 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 20687616 positive integers (up to 42021915) that are relatively prime to 42021915.
42021915 has 8 divisors, whose sum is 48271552
The reverse of 42021915 is 51912024
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
forty-two million twenty-one thousand nine hundred fifteen
Scientific notation
4.2021915 × 10^7
Engineering notation
4.2021915 × 10^6
Prime Factorization
15 × 13 × 215497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42021915
Product of the distinct prime numbers
The prime factorization of 42021915 is 15 × 13 × 215497.
Since it has a total of 3 prime factors.
5 , 4 , 70 , 34 , 408 , 503 , 1092 , 7307 , 39640 , 47377 , 644484 , 537966 , 7925271 , 975125 , 97384163 , 86117744 , 873644922 , 693494787 , 3036589705 , 5389929079
n×2
84043830
n×3
126065745
n×4
168087660
n×5
210109575
n÷2
21010957.5
n÷3
14007305
n÷3
10505478.75
n÷5
8404383
n2
1765841340267225
n3
7.4204034704195E+22
n4
3.1181956389967E+30
n5
1.3103255209529E+38
2 √n
6482.4312568665
3 √n
347.66311201117
4 √n
80.513547039405
5 √n
33.473040886043
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
-42021914
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 42021915 can be divided by 8 positive divisors.
The sum of these divisors (counting 42021915) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000010011010000011011
3
Ternary
2221001221020020
4
Quaternary
2200103100123
5
Quinary
41224200130
6
Senary
4100401523
8
Octal
240232033
10
Decimal
42021915
12
Duodecimal
120a62a3
16
Hexadecimal
281341b
20
Vigesimal
d2ceff
36
Base36
p0obf
md5
9be229897bd8c6120ed404a4ae97a78d
sha1
edf3b0d898930a9db1dcea00aa8568dbe106554f
sha256
5621dbf34a6c808b3516b3dde1c5685991a65c1ae67bb5b7817fc12f4b8d83e9
sha512
8929d0a2387e8cb949f0a317a4b8a3a59723b00eb064b8f37c7852de734d87f7658ea7b46a392c9e383a9da5cf68a1286c190a74708756d49ebd92ed6fbb808a
ripemd-160
dbcf624288c9fd665f532e97f0e0d6e6beabd591
Diameter
84043830
Circumference
264031478.90755
Area
5.5475541819887E+15
Volume
3.1082513372456E+23
Surface area
2.2190216727955E+16
Circumference
264031478.90755
Perimeter
168087660
Area
1765841340267225
Diagonal
59427962.109889
Surface area
10595048041603350
Volume
7.4204034704195E+22
Space diagonal
72784091.811341
Perimeter
126065745
Area
7.6463172986209E+14
Altitude
36392045.90567
Surface area
7.6463172986209E+14
Volume
8.7450293551231E+21
Height
19809320.703296