21054879 (number)

21054879 is an odd 8-digits composite number following 21054878 and preceding 21054880. In scientific notation, it is written as 2.1054879 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 13812768 positive integers (up to 21054879) that are relatively prime to 21054879.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-four thousand eight hundred seventy-nine

Notation

Scientific notation 2.1054879 × 10^7
Engineering notation 2.1054879 × 10^6

Prime Factorization of 21054879

Prime Factorization 9 × 73 × 73 × 439

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 288423
Product of the distinct prime numbers

The prime factorization of 21054879 is 9 × 73 × 73 × 439. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 97, 80, 818, 472, 149, 7318, 52519, 85174, 868853, 618181, 3883638, 2422177, 4432680, 33919480, 820444603, 96340839, 8618716257, 5142014654

Basic calculations (n = 21054879)

Multiplication

n×y
n×2 42109758
n×3 63164637
n×4 84219516
n×5 105274395

Division

n÷y
n÷2 10527439.5
n÷3 7018293
n÷3 5263719.75
n÷5 4210975.8

Exponentiation

ny
n2 443307929704641
n3 9.3337948196717E+21
n4 1.9652192053901E+29
n5 4.1377452577966E+36

Nth Root

y√n
2√n 4588.5595779068
3√n 276.13253716368
4√n 67.738907415951
5√n 29.152147318957

Divisors of 21054879

1, 9, 73, 439, 657, 3951, 5329, 32047, 47961, 288423, 2339431, 21054879

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21054878
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21054879 can be divided by 12 positive divisors. The sum of these divisors (counting 21054879) is 1, the average is 0.083333333333333.

Base conversion 21054879

Base System Value
2 Binary 1010000010100010110011111
3 Ternary 1110121200212100
4 Quaternary 1100110112133
5 Quinary 20342224004
6 Senary 2031140143
8 Octal 120242637
10 Decimal 21054879
12 Duodecimal 7074653
16 Hexadecimal 141459f
20 Vigesimal 6bbh3j
36 Base36 cja1r

Cryptographic Hash Functions

md5 88963f8695c82c833b2b39670e78eced
sha1 be439378d44092cef03f4e0fddbb96baa2cfe6bf
sha256 ed20fa661368d9494b43c83b643cb1b013ffda554e3d930dc224789e58ff02df
sha512 0f807df14652f3ba876b4c5c874443d661115daa977676fd998a3434d27c5ab767cef88777638f165836b7313c8f100ab3b8ddbfb4d0afe1daf2cf5217006345
ripemd-160 33a86769021a26b34061e05275935d650359ab92

21054879 as geometric shapes

Circle

Radius = n
Diameter 42109758
Circumference 132291706.37724
Area 1.3926929352382E+15

Sphere

Radius = n
Volume 3.9097308314127E+22
Surface area 5.5707717409528E+15
Circumference 132291706.37724

Square

Length = n
Perimeter 84219516
Area 443307929704641
Diagonal 29776095.435924

Cube

Length = n
Surface area 2659847578227846
Volume 9.3337948196717E+21
Space diagonal 36468120.175215

Equilateral Triangle

Length = n
Perimeter 63164637
Area 1.9195796441165E+14
Altitude 18234060.087607

Triangular Pyramid

Length = n
Surface area 1.9195796441165E+14
Volume 1.0999982685323E+21
Height 9925365.1453082