42021890 is an even 8-digits composite number following 42021889
and preceding 42021891 . In scientific notation, it is written as 4.2021890 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 16720896 positive integers (up to 42021890) that are relatively prime to 42021890.
42021890 has 16 divisors, whose sum is 76034808
The reverse of 42021890 is 09812024
Previous prime number is 193
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
forty-two million twenty-one thousand eight hundred ninety
Scientific notation
4.2021890 × 10^7
Engineering notation
4.2021890 × 10^6
Prime Factorization
2 × 5 × 193 × 21773
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42021890
Product of the distinct prime numbers
The prime factorization of 42021890 is 2 × 5 × 193 × 21773.
Since it has a total of 4 prime factors.
8 , 10 , 9 , 31 , 901 , 230 , 5004 , 1043 , 93452 , 24968 , 373900 , 353852 , 1349670 , 3466680 , 60039221 , 7503671 , 476622194 , 221000211 , 3458235274 , 2673276032
n×2
84043780
n×3
126065670
n×4
168087560
n×5
210109450
n÷2
21010945
n÷3
14007296.666667
n÷3
10505472.5
n÷5
8404378
n2
1765839239172100
n3
7.4203902266174E+22
n4
3.1181882185999E+30
n5
1.310321623213E+38
2 √n
6482.4293285774
3 √n
347.66304306636
4 √n
80.513535064468
5 √n
33.473036903234
1 , 2 , 5 , 10 , 193 , 386 , 965 , 1930 , 21773 , 43546 , 108865 , 217730 , 4202189 , 8404378 , 21010945 , 42021890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42021889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42021890 can be divided by 16 positive divisors.
The sum of these divisors (counting 42021890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100000010011010000000010
3
Ternary
2221001221012022
4
Quaternary
2200103100002
5
Quinary
41224200030
6
Senary
4100401442
8
Octal
240232002
10
Decimal
42021890
12
Duodecimal
120a6282
16
Hexadecimal
2813402
20
Vigesimal
d2ceea
36
Base36
p0oaq
md5
fc431eb163f9b8ff84fd9f7b0dffc8c0
sha1
2ef99b687c156c46881ecad5049249c489a14bd1
sha256
887f9e5a0fec3f29b0f9fba6203da7cd75332fce275a83513f8a900ab384d2f7
sha512
7318514c9cbd1f10c8cbc0d169cdb4f96ccb15bdf48b6e44dc4d8483643c666667f38a567ce34ade190cb0140a0eeb08c884c591dc8665c7a2fd946c81c99dd2
ripemd-160
23317aaacf5db2cd0134aac036f712187b474f86
Diameter
84043780
Circumference
264031321.82792
Area
5.5475475812037E+15
Volume
3.1082457896947E+23
Surface area
2.2190190324815E+16
Circumference
264031321.82792
Perimeter
168087560
Area
1765839239172100
Diagonal
59427926.75455
Surface area
10595035435032600
Volume
7.4203902266174E+22
Space diagonal
72784048.510071
Perimeter
126065670
Area
7.6463082006121E+14
Altitude
36392024.255035
Surface area
7.6463082006121E+14
Volume
8.7450137471525E+21
Height
19809308.918183