42161821 is an odd 8-digits composite number following 42161820
and preceding 42161822 . In scientific notation, it is written as 4.2161821 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 38782272 positive integers (up to 42161821) that are relatively prime to 42161821.
42161821 has 8 divisors, whose sum is 45564120
The reverse of 42161821 is 12816124
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
forty-two million one hundred sixty-one thousand eight hundred twenty-one
Scientific notation
4.2161821 × 10^7
Engineering notation
4.2161821 × 10^6
Prime Factorization
13 × 293 × 11069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42161821
Product of the distinct prime numbers
The prime factorization of 42161821 is 13 × 293 × 11069.
Since it has a total of 3 prime factors.
9 , 6 , 36 , 9 , 14 , 502 , 1786 , 8623 , 93427 , 4802 , 48000 , 887925 , 2537663 , 3401609 , 2532781 , 24628700 , 495613688 , 154403051 , 8326159921 , 9707402159
n×2
84323642
n×3
126485463
n×4
168647284
n×5
210809105
n÷2
21080910.5
n÷3
14053940.333333
n÷3
10540455.25
n÷5
8432364.2
n2
1777619150036041
n3
7.4947660409992E+22
n4
3.1599298425749E+30
n5
1.332283963952E+38
2 √n
6493.2134571412
3 √n
348.04851626836
4 √n
80.580478139195
5 √n
33.495300009782
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
-42161820
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 42161821 can be divided by 8 positive divisors.
The sum of these divisors (counting 42161821) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000110101011010011101
3
Ternary
2221100001010221
4
Quaternary
2200311122131
5
Quinary
41243134241
6
Senary
4103401341
8
Octal
240653235
10
Decimal
42161821
12
Duodecimal
12153251
16
Hexadecimal
283569d
20
Vigesimal
d3a4b1
36
Base36
p3o9p
md5
62dd20d385f5f2278b4d9762f25181fb
sha1
b80a3eccf280201a618532cab1ca25ebdc10b00a
sha256
cbc0a23a6613d069c5f4d1fb240c148b25bfb56df1b43264e5ace2ff886f4576
sha512
987b84d490a1770ba548691f2cd4d1f6fc615a521451443ee17e3f9afcf144ca3e1dfee9115e63066ca102473d75385b770ed1d55f64ba9fcf5789a40819630d
ripemd-160
16acf46b3c288ea06ac52da0ab75b536e0e62d09
Diameter
84323642
Circumference
264910534.23114
Area
5.5845552626338E+15
Volume
3.1394002579703E+23
Surface area
2.2338221050535E+16
Circumference
264910534.23114
Perimeter
168647284
Area
1777619150036041
Diagonal
59625819.072547
Surface area
10665714900216246
Volume
7.4947660409992E+22
Space diagonal
73026416.111624
Perimeter
126485463
Area
7.6973167109246E+14
Altitude
36513208.055812
Surface area
7.6973167109246E+14
Volume
8.8326664849953E+21
Height
19875273.024182