42191921 is an odd 8-digits composite number following 42191920
and preceding 42191922 . In scientific notation, it is written as 4.2191921 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 41888244 positive integers (up to 42191921) that are relatively prime to 42191921.
42191921 has 4 divisors, whose sum is 42495600
The reverse of 42191921 is 12919124
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
forty-two million one hundred ninety-one thousand nine hundred twenty-one
Scientific notation
4.2191921 × 10^7
Engineering notation
4.2191921 × 10^6
Prime Factorization
139 × 303539
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42191921
Product of the distinct prime numbers
The prime factorization of 42191921 is 139 × 303539.
Since it has a total of 2 prime factors.
2 , 3 , 40 , 24 , 97 , 571 , 424 , 6696 , 42688 , 96735 , 736989 , 284128 , 8809832 , 2119042 , 30587132 , 72918953 , 956777380 , 520378798 , 2984390405 , 8539011160
n×2
84383842
n×3
126575763
n×4
168767684
n×5
210959605
n÷2
21095960.5
n÷3
14063973.666667
n÷3
10547980.25
n÷5
8438384.2
n2
1780158197670241
n3
7.5108294043605E+22
n4
3.1689632087326E+30
n5
1.3370464535475E+38
2 √n
6495.5308482063
3 √n
348.13132237131
4 √n
80.594856214316
5 √n
33.500081210969
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
-42191920
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 42191921 can be divided by 4 positive divisors.
The sum of these divisors (counting 42191921) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000111100110000110001
3
Ternary
2221101120102202
4
Quaternary
2200330300301
5
Quinary
41300120141
6
Senary
4104152545
8
Octal
240746061
10
Decimal
42191921
12
Duodecimal
12168755
16
Hexadecimal
283cc31
20
Vigesimal
d3djg1
36
Base36
p4bht
md5
5cbab4a9d6d390859d648989f0a7cd7a
sha1
c777ebaf6ab3d12f6f251828372ec808b948ee2f
sha256
8c9ea3be8f850da0403725c3c3b605b41b5afa31b4fbe7aee66ffb4fdb2eee1d
sha512
69ae666ce1441ec5a449f0360f5632df0a433ad4220422a5a0b18114d197a01f5e018603e15682cee9d489a40b5c830af5384b98d4540e2f345548a4a8e753f2
ripemd-160
e251aeadf3b9d3ff83abeaf9345dcdc514af6f6a
Diameter
84383842
Circumference
265099658.10888
Area
5.5925319160285E+15
Volume
3.1461288638807E+23
Surface area
2.2370127664114E+16
Circumference
265099658.10888
Perimeter
168767684
Area
1780158197670241
Diagonal
59668386.900774
Surface area
10680949186021446
Volume
7.5108294043605E+22
Space diagonal
73078550.840932
Perimeter
126575763
Area
7.7083111096877E+14
Altitude
36539275.420466
Surface area
7.7083111096877E+14
Volume
8.8515973402644E+21
Height
19889462.300258