21291242 (number)

21291242 is an even 8-digits composite number following 21291241 and preceding 21291243. In scientific notation, it is written as 2.1291242 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 8587968 positive integers (up to 21291242) that are relatively prime to 21291242.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred forty-two

Notation

Scientific notation 2.1291242 × 10^7
Engineering notation 2.1291242 × 10^6

Prime Factorization of 21291242

Prime Factorization 2 × 7 × 17 × 89459

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21291242
Product of the distinct prime numbers

The prime factorization of 21291242 is 2 × 7 × 17 × 89459. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 40, 30, 32, 449, 2401, 7999, 11781, 84573, 429442, 121741, 1798675, 2114683, 31987022, 41703489, 571694080, 706905351, 1578464776, 8868156730

Basic calculations (n = 21291242)

Multiplication

n×y
n×2 42582484
n×3 63873726
n×4 85164968
n×5 106456210

Division

n÷y
n÷2 10645621
n÷3 7097080.6666667
n÷3 5322810.5
n÷5 4258248.4

Exponentiation

ny
n2 453316985902564
n3 9.6516816495621E+21
n4 2.0549628970779E+29
n5 4.3752712342706E+36

Nth Root

y√n
2√n 4614.2433832645
3√n 277.16198651798
4√n 67.928222288416
5√n 29.217308031662

Divisors of 21291242

1, 2, 7, 14, 17, 34, 119, 238, 89459, 178918, 626213, 1252426, 1520803, 3041606, 10645621, 21291242

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 -21291241
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 21291242 can be divided by 16 positive divisors. The sum of these divisors (counting 21291242) is 1, the average is 0.0625.

Base conversion 21291242

Base System Value
2 Binary 1010001001110000011101010
3 Ternary 1111001201002112
4 Quaternary 1101032003222
5 Quinary 20422304432
6 Senary 2040202322
8 Octal 121160352
10 Decimal 21291242
12 Duodecimal 71693a2
16 Hexadecimal 144e0ea
20 Vigesimal 6d1822
36 Base36 cocfe

Cryptographic Hash Functions

md5 77fefb02decd480a14c77102c139819d
sha1 136c16b2e098e8b242e3a6fd2d4c2796a788a694
sha256 3f0560d9eefade03f297d56e780dc08c00231e002f8c4d8cf1aec1abd3e8bb07
sha512 5a1c7cc528840541db2875ad3888304595a9507de658debb6b5496265acf2abe031d75cb8c05748331a4d1206ae4d02180b3679785cfbe7b7c99714756661a7d
ripemd-160 de93daf87d9ffaac25532c21e30e8cbc13407c95

21291242 as geometric shapes

Circle

Radius = n
Diameter 42582484
Circumference 133776818.906
Area 1.424137312659E+15

Sphere

Radius = n
Volume 4.0428869553402E+22
Surface area 5.6965492506359E+15
Circumference 133776818.906

Square

Length = n
Perimeter 85164968
Area 453316985902564
Diagonal 30110363.196168

Cube

Length = n
Surface area 2719901915415384
Volume 9.6516816495621E+21
Space diagonal 36877512.900244

Equilateral Triangle

Length = n
Perimeter 63873726
Area 1.9629201287931E+14
Altitude 18438756.450122

Triangular Pyramid

Length = n
Surface area 1.9629201287931E+14
Volume 1.1374615907099E+21
Height 10036787.732056