42181857 is an odd 8-digits composite number following 42181856
and preceding 42181858 . In scientific notation, it is written as 4.2181857 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 28121220 positive integers (up to 42181857) that are relatively prime to 42181857.
42181857 has 8 divisors, whose sum is 62491680
The reverse of 42181857 is 75818124
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
forty-two million one hundred eighty-one thousand eight hundred fifty-seven
Scientific notation
4.2181857 × 10^7
Engineering notation
4.2181857 × 10^6
Prime Factorization
9 × 3 × 1562291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42181857
Product of the distinct prime numbers
The prime factorization of 42181857 is 9 × 3 × 1562291.
Since it has a total of 3 prime factors.
9 , 6 , 10 , 44 , 876 , 891 , 9815 , 5040 , 83250 , 7903 , 512631 , 68588 , 8691755 , 4588554 , 23284948 , 79984934 , 628020742 , 131145761 , 8172490076 , 3212482413
n×2
84363714
n×3
126545571
n×4
168727428
n×5
210909285
n÷2
21090928.5
n÷3
14060619
n÷3
10545464.25
n÷5
8436371.4
n2
1779309059968449
n3
7.5054560326394E+22
n4
3.1659407308858E+30
n5
1.335452591807E+38
2 √n
6494.7561155135
3 √n
348.1036403558
4 √n
80.590049730184
5 √n
33.498482909771
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
-42181856
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 42181857 can be divided by 8 positive divisors.
The sum of these divisors (counting 42181857) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000111010010011100001
3
Ternary
2221101001122000
4
Quaternary
2200322103201
5
Quinary
41244304412
6
Senary
4104034213
8
Octal
240722341
10
Decimal
42181857
12
Duodecimal
12162969
16
Hexadecimal
283a4e1
20
Vigesimal
d3cech
36
Base36
p43q9
md5
e0f24e9d37095be1d4d72f8b59d279dc
sha1
7a926eee5a34bb1298c89984b330a1da68336e63
sha256
7120c0dda6c4e357cde5e9b03c120ad3c9feca64c1622b1a842c841feb7317e6
sha512
9f3085d01c244d8e53771ca76da8a3566cdd9bafc2b65463c26c1f2c6ffefe82b1f5d7293c99e8aa28e6ad00d8d13889308df7e92de43dc024b2162ea2e69264
ripemd-160
47eb127fd8cd691f3af1e1cf2a3f3ca7f2c44c84
Diameter
84363714
Circumference
265036424.13195
Area
5.5898642712626E+15
Volume
3.1438780711975E+23
Surface area
2.2359457085051E+16
Circumference
265036424.13195
Perimeter
168727428
Area
1779309059968449
Diagonal
59654154.255482
Surface area
10675854359810694
Volume
7.5054560326394E+22
Space diagonal
73061119.481605
Perimeter
126545571
Area
7.7046342355824E+14
Altitude
36530559.740802
Surface area
7.7046342355824E+14
Volume
8.8452647609613E+21
Height
19884718.085161