21054955 (number)

21054955 is an odd 8-digits composite number following 21054954 and preceding 21054956. In scientific notation, it is written as 2.1054955 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 16826208 positive integers (up to 21054955) that are relatively prime to 21054955.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-four thousand nine hundred fifty-five

Notation

Scientific notation 2.1054955 × 10^7
Engineering notation 2.1054955 × 10^6

Prime Factorization of 21054955

Prime Factorization 5 × 1373 × 3067

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21054955
Product of the distinct prime numbers

The prime factorization of 21054955 is 5 × 1373 × 3067. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21054955)

Multiplication

n×y
n×2 42109910
n×3 63164865
n×4 84219820
n×5 105274775

Division

n÷y
n÷2 10527477.5
n÷3 7018318.3333333
n÷3 5263738.75
n÷5 4210991

Exponentiation

ny
n2 443311130052025
n3 9.3338958942445E+21
n4 1.96524758028E+29
n5 4.1378199366655E+36

Nth Root

y√n
2√n 4588.5678593653
3√n 276.1328694073
4√n 67.738968543707
5√n 29.152168364531

Divisors of 21054955

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 -21054954
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 21054955 can be divided by 8 positive divisors. The sum of these divisors (counting 21054955) is 1, the average is 0.125.

Base conversion 21054955

Base System Value
2 Binary 1010000010100010111101011
3 Ternary 1110121200222011
4 Quaternary 1100110113223
5 Quinary 20342224310
6 Senary 2031140351
8 Octal 120242753
10 Decimal 21054955
12 Duodecimal 70746b7
16 Hexadecimal 14145eb
20 Vigesimal 6bbh7f
36 Base36 cja3v

Cryptographic Hash Functions

md5 3d32c0170b5c2e55c844b2443c9dfc8d
sha1 3c1817b791073dc12beafac914f33815a9ee4d59
sha256 b3f07ed22368a88f5fa23ae1bc5cbc653549ce8923d546262f4430fb05a532cf
sha512 91c882c808a02d593222fdde1d3428c8a1ac71fe705a48859b223efe333311e5c0acb5317d2d34ec3d591724a9f6aa0d8ab3f9855f7f2aee1b62749d7d8be9a0
ripemd-160 49343017215ceb01503c0830fe8be646c2807472

21054955 as geometric shapes

Circle

Radius = n
Diameter 42109910
Circumference 132292183.89933
Area 1.392702989426E+15

Sphere

Radius = n
Volume 3.9097731694307E+22
Surface area 5.5708119577041E+15
Circumference 132292183.89933

Square

Length = n
Perimeter 84219820
Area 443311130052025
Diagonal 29776202.916155

Cube

Length = n
Surface area 2659866780312150
Volume 9.3338958942445E+21
Space diagonal 36468251.811076

Equilateral Triangle

Length = n
Perimeter 63164865
Area 1.9195935020272E+14
Altitude 18234125.905538

Triangular Pyramid

Length = n
Surface area 1.9195935020272E+14
Volume 1.1000101802849E+21
Height 9925400.9720517