21031142 is an even 8-digits composite number following 21031141
and preceding 21031143 . In scientific notation, it is written as 2.1031142 × 10^7.
The sum of its digits is 14. It has a total of 5 prime factors and 32 positive divisors.
There are 8819200 positive integers (up to 21031142) that are relatively prime to 21031142.
21031142 has 32 divisors, whose sum is 37161504
The reverse of 21031142 is 24113012
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million thirty-one thousand one hundred forty-two
Scientific notation
2.1031142 × 10^7
Engineering notation
2.1031142 × 10^6
Prime Factorization
2 × 11 × 17 × 53 × 1061
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21031142
Product of the distinct prime numbers
The prime factorization of 21031142 is 2 × 11 × 17 × 53 × 1061.
Since it has a total of 5 prime factors.
9 , 9 , 54 , 18 , 748 , 892 , 1683 , 2178 , 63278 , 96933 , 156775 , 557744 , 6909880 , 6010727 , 2806574 , 52870606 , 359236695 , 95793336 , 4837338821 , 4219562580
n×2
42062284
n×3
63093426
n×4
84124568
n×5
105155710
n÷2
10515571
n÷3
7010380.6666667
n÷3
5257785.5
n÷5
4206228.4
n2
442308933824164
n3
9.3022619951246E+21
n4
1.9563719294067E+29
n5
4.1144735852166E+36
2 √n
4585.9723069378
3 √n
276.02872871856
4 √n
67.719807345693
5 √n
29.145571201508
1 , 2 , 11 , 17 , 22 , 34 , 53 , 106 , 187 , 374 , 583 , 901 , 1061 , 1166 , 1802 , 2122 , 9911 , 11671 , 18037 , 19822 , 23342 , 36074 , 56233 , 112466 , 198407 , 396814 , 618563 , 955961 , 1237126 , 1911922 , 10515571 , 21031142
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031142 can be divided by 32 positive divisors.
The sum of these divisors (counting 21031142) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000001110100011100110
3
Ternary
1110120111022012
4
Quaternary
1100032203212
5
Quinary
20340444032
6
Senary
2030434222
8
Octal
120164346
10
Decimal
21031142
12
Duodecimal
7062972
16
Hexadecimal
140e8e6
20
Vigesimal
6b8hh2
36
Base36
cirqe
md5
cb568cde15d9a4b2ead972acf51f2cc8
sha1
a7acb66d7cc3e70805fc030da02499261f66c32e
sha256
f6990de15dd42f2af07801a5ee5d131ed0aa0be2ba920d486cb19d4b368871f2
sha512
a1c2872cc3f10a15284e4ec8be974c56e7381e92864ca8c943302a0128dbeba0cccf9423bb6e9abdfec5887a02b2f2b810cdf167621a5944d90295aa7ccd7dae
ripemd-160
17872bf525d7c030b4b378fedb0778b7fe23b0b8
Diameter
42062284
Circumference
132142562.40761
Area
1.3895544971191E+15
Volume
3.8965223927535E+22
Surface area
5.5582179884765E+15
Circumference
132142562.40761
Perimeter
84124568
Area
442308933824164
Diagonal
29742526.248594
Surface area
2653853602944984
Volume
9.3022619951246E+21
Space diagonal
36427006.485196
Perimeter
63093426
Area
1.9152538650627E+14
Altitude
18213503.242598
Surface area
1.9152538650627E+14
Volume
1.0962820895211E+21
Height
9914175.4161981