21131842 is an even 8-digits composite number following 21131841
and preceding 21131843 . In scientific notation, it is written as 2.1131842 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 10366512 positive integers (up to 21131842) that are relatively prime to 21131842.
21131842 has 8 divisors, whose sum is 32295996
The reverse of 21131842 is 24813112
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million one hundred thirty-one thousand eight hundred forty-two
Scientific notation
2.1131842 × 10^7
Engineering notation
2.1131842 × 10^6
Prime Factorization
2 × 53 × 199357
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21131842
Product of the distinct prime numbers
The prime factorization of 21131842 is 2 × 53 × 199357.
Since it has a total of 3 prime factors.
4 , 4 , 60 , 19 , 87 , 385 , 9871 , 3576 , 23074 , 21048 , 822823 , 110087 , 9433033 , 4738814 , 66419036 , 71214429 , 105550160 , 681905000 , 4713187969 , 2080120640
n×2
42263684
n×3
63395526
n×4
84527368
n×5
105659210
n÷2
10565921
n÷3
7043947.3333333
n÷3
5282960.5
n÷5
4226368.4
n2
446554746312964
n3
9.4365243434356E+21
n4
1.9941114145464E+29
n5
4.213924734259E+36
2 √n
4596.9383289316
3 √n
276.46858194161
4 √n
67.800725135735
5 √n
29.173428499225
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
-21131841
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 21131842 can be divided by 8 positive divisors.
The sum of these divisors (counting 21131842) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100111001001000010
3
Ternary
1110202121102211
4
Quaternary
1100213021002
5
Quinary
20402204332
6
Senary
2032532334
8
Octal
120471102
10
Decimal
21131842
12
Duodecimal
70b10aa
16
Hexadecimal
1427242
20
Vigesimal
6c19c2
36
Base36
ckxfm
md5
e45110bc642295932b6cfb11ef0b51e3
sha1
bd6b209fee3f7dbdf5f7a1b3f88093466e23a4b1
sha256
8639591a9e7c8d4f0d26af07ae4bc7f889bd8fdc4db60c867ae36a3bd3c1bf6c
sha512
bec2de966ac0ee51e7ba7bee459eebf1bfd82a2070489379cac96680032eab30db79b127ccb8331d4f09553da4ca63c91dc2db48e9f5ba4f5f5a2bbc17e2efff
ripemd-160
a094d8752416ee0db85aad1dd1473c77b19d22d6
Diameter
42263684
Circumference
132775279.16804
Area
1.4028931104425E+15
Volume
3.9527620737012E+22
Surface area
5.6115724417698E+15
Circumference
132775279.16804
Perimeter
84527368
Area
446554746312964
Diagonal
29884937.554325
Surface area
2679328477877784
Volume
9.4365243434356E+21
Space diagonal
36601424.001518
Perimeter
63395526
Area
1.9336387724377E+14
Altitude
18300712.000759
Surface area
1.9336387724377E+14
Volume
1.1121050590125E+21
Height
9961645.8514418