21081057 (number)

21081057 is an odd 8-digits composite number following 21081056 and preceding 21081058. In scientific notation, it is written as 2.1081057 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 13506752 positive integers (up to 21081057) that are relatively prime to 21081057.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand fifty-seven

Notation

Scientific notation 2.1081057 × 10^7
Engineering notation 2.1081057 × 10^6

Prime Factorization of 21081057

Prime Factorization 3 × 29 × 827 × 293

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21081057
Product of the distinct prime numbers

The prime factorization of 21081057 is 3 × 29 × 827 × 293. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 100, 27, 23, 449, 7461, 9733, 73929, 21972, 955526, 410707, 1132754, 6153220, 51749520, 98659893, 553728570, 832985941, 8211125580, 6419581263

Basic calculations (n = 21081057)

Multiplication

n×y
n×2 42162114
n×3 63243171
n×4 84324228
n×5 105405285

Division

n÷y
n÷2 10540528.5
n÷3 7027019
n÷3 5270264.25
n÷5 4216211.4

Exponentiation

ny
n2 444410964237249
n3 9.3686528685104E+21
n4 1.9750110513428E+29
n5 4.1635320548988E+36

Nth Root

y√n
2√n 4591.4112209646
3√n 276.24693034542
4√n 67.75995292918
5√n 29.159392819265

Divisors of 21081057

1, 3, 29, 87, 293, 827, 879, 2481, 8497, 23983, 25491, 71949, 242311, 726933, 7027019, 21081057

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 -21081056
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 21081057 can be divided by 16 positive divisors. The sum of these divisors (counting 21081057) is 1, the average is 0.0625.

Base conversion 21081057

Base System Value
2 Binary 1010000011010101111100001
3 Ternary 1110200000202220
4 Quaternary 1100122233201
5 Quinary 20344043212
6 Senary 2031501253
8 Octal 120325741
10 Decimal 21081057
12 Duodecimal 7087829
16 Hexadecimal 141abe1
20 Vigesimal 6bf2ch
36 Base36 cju8x

Cryptographic Hash Functions

md5 d3bbe595ddfcaad9123c57495cd43102
sha1 98cf31879bc75dff3a7a67e365bb58758a457fad
sha256 fcc0f2ee34aa23942d71730c30617d86890d91896d5e5fc0b7b50e9d201e6dc7
sha512 bd59e0027ec3595246fa173bc42219614ae28de3cc4d16a50d4a462b8865f2d327f18ae957203d6cd4061585510f850a0bd471704be8d9d6935c2530b47451af
ripemd-160 b7ec141e31cfb2605c427998551963ffbcef3d95

21081057 as geometric shapes

Circle

Radius = n
Diameter 42162114
Circumference 132456187.60222
Area 1.3961582204225E+15

Sphere

Radius = n
Volume 3.924332136766E+22
Surface area 5.58463288169E+15
Circumference 132456187.60222

Square

Length = n
Perimeter 84324228
Area 444410964237249
Diagonal 29813116.71856

Cube

Length = n
Surface area 2666465785423494
Volume 9.3686528685104E+21
Space diagonal 36513461.801256

Equilateral Triangle

Length = n
Perimeter 63243171
Area 1.924355923749E+14
Altitude 18256730.900628

Triangular Pyramid

Length = n
Surface area 1.924355923749E+14
Volume 1.1041063289844E+21
Height 9937705.5728534