42181840 is an even 8-digits composite number following 42181839
and preceding 42181841 . In scientific notation, it is written as 4.2181840 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 16872704 positive integers (up to 42181840) that are relatively prime to 42181840.
42181840 has 20 divisors, whose sum is 98072964
The reverse of 42181840 is 04818124
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
forty-two million one hundred eighty-one thousand eight hundred forty
Scientific notation
4.2181840 × 10^7
Engineering notation
4.2181840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 527273
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5272730
Product of the distinct prime numbers
The prime factorization of 42181840 is 2 × 2 × 2 × 2 × 5 × 527273.
Since it has a total of 6 prime factors.
7 , 2 , 13 , 65 , 4 , 967 , 4263 , 5784 , 9364 , 12926 , 509352 , 405127 , 1854666 , 6563421 , 66939640 , 82975629 , 348457302 , 397067538 , 1194564191 , 1716041245
n×2
84363680
n×3
126545520
n×4
168727360
n×5
210909200
n÷2
21090920
n÷3
14060613.333333
n÷3
10545460
n÷5
8436368
n2
1779307625785600
n3
7.5054469581668E+22
n4
3.1659356271788E+30
n5
1.3354499007596E+38
2 √n
6494.7548067652
3 √n
348.10359359191
4 √n
80.590041610395
5 √n
33.49848020968
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 527273 , 1054546 , 2109092 , 2636365 , 4218184 , 5272730 , 8436368 , 10545460 , 21090920 , 42181840
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42181839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42181840 can be divided by 20 positive divisors.
The sum of these divisors (counting 42181840) is 1, the average is 0.05.
Base
System
Value
2
Binary
10100000111010010011010000
3
Ternary
2221101001121101
4
Quaternary
2200322103100
5
Quinary
41244304330
6
Senary
4104034144
8
Octal
240722320
10
Decimal
42181840
12
Duodecimal
12162954
16
Hexadecimal
283a4d0
20
Vigesimal
d3cec0
36
Base36
p43ps
md5
747dc43940b45a1967d58361e9527a27
sha1
0ac6a52fd5553bef862a33dbf35e46d7926ce6bb
sha256
6486b77a77e2bbc7a5e069803f49fbebd1a8925692a6e8021dfd4731187386a3
sha512
aa9cc832e2f910c98d6a842ba17557f407ebb0c433d87bdc10228a9e3652f2e50ee2a46111cb28bd033040f950d4a370018fb37dbc50cc117206fdb465149c61
ripemd-160
a0199540b518ba72538e8e40015e7526194bff3a
Diameter
84363680
Circumference
265036317.3178
Area
5.5898597656443E+15
Volume
3.1438742700913E+23
Surface area
2.2359439062577E+16
Circumference
265036317.3178
Perimeter
168727360
Area
1779307625785600
Diagonal
59654130.213852
Surface area
10675845754713600
Volume
7.5054469581668E+22
Space diagonal
73061090.036741
Perimeter
126545520
Area
7.7046280253885E+14
Altitude
36530545.018371
Surface area
7.7046280253885E+14
Volume
8.8452540665928E+21
Height
19884710.071284