42191978 is an even 8-digits composite number following 42191977
and preceding 42191979 . In scientific notation, it is written as 4.2191978 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 21095988 positive integers (up to 42191978) that are relatively prime to 42191978.
42191978 has 4 divisors, whose sum is 63287970
The reverse of 42191978 is 87919124
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
forty-two million one hundred ninety-one thousand nine hundred seventy-eight
Scientific notation
4.2191978 × 10^7
Engineering notation
4.2191978 × 10^6
Prime Factorization
2 × 21095989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42191978
Product of the distinct prime numbers
The prime factorization of 42191978 is 2 × 21095989.
Since it has a total of 2 prime factors.
4 , 4 , 72 , 5 , 264 , 187 , 6298 , 5896 , 90208 , 35797 , 418454 , 989331 , 2830920 , 4245245 , 29443544 , 33005985 , 487390631 , 265646698 , 5434603123 , 7674146688
n×2
84383956
n×3
126575934
n×4
168767912
n×5
210959890
n÷2
21095989
n÷3
14063992.666667
n÷3
10547994.5
n÷5
8438395.6
n2
1780163007552484
n3
7.5108598451068E+22
n4
3.1689803334583E+30
n5
1.3370554851171E+38
2 √n
6495.535235837
3 √n
348.13147914284
4 √n
80.594883434601
5 √n
33.500090262482
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
-42191977
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 42191978 can be divided by 4 positive divisors.
The sum of these divisors (counting 42191978) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000111100110001101010
3
Ternary
2221101120111212
4
Quaternary
2200330301222
5
Quinary
41300120403
6
Senary
4104153122
8
Octal
240746152
10
Decimal
42191978
12
Duodecimal
121687a2
16
Hexadecimal
283cc6a
20
Vigesimal
d3djii
36
Base36
p4bje
md5
8b1a3080f4dc9089a37a3c60794250ca
sha1
3143b11afc534fb9080fac5c903bf0261f154bc8
sha256
813103fd8c2c0754a799a43855b5485ce67ae8c029744b940438f584d2287681
sha512
c09591c68b8f28fe945c668d57b8a3c5525d375ab96e62c46799b334861597acd51186925fcbf5f86bd02f3e5954a014778b2a3ee37a691475aaacf65c44b9b1
ripemd-160
1cc25c7460eacdbe1ce6bfcd28d1602673611a34
Diameter
84383956
Circumference
265100016.25044
Area
5.5925470267192E+15
Volume
3.1461416148707E+23
Surface area
2.2370188106877E+16
Circumference
265100016.25044
Perimeter
168767912
Area
1780163007552484
Diagonal
59668467.510947
Surface area
10680978045314904
Volume
7.5108598451068E+22
Space diagonal
73078649.567828
Perimeter
126575934
Area
7.7083319370888E+14
Altitude
36539324.783914
Surface area
7.7083319370888E+14
Volume
8.851633215028E+21
Height
19889489.170316