20921208 (number)

20921208 is an even 8-digits composite number following 20921207 and preceding 20921209. In scientific notation, it is written as 2.0921208 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors. There are 5433600 positive integers (up to 20921208) that are relatively prime to 20921208.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand two hundred eight

Notation

Scientific notation 2.0921208 × 10^7
Engineering notation 2.0921208 × 10^6

Prime Factorization of 20921208

Prime Factorization 2 × 2 × 2 × 3 × 77 × 11321

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5230302
Product of the distinct prime numbers

The prime factorization of 20921208 is 2 × 2 × 2 × 3 × 77 × 11321. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 8, 50, 47, 72, 842, 1393, 7034, 93001, 7507, 979672, 447049, 5858986, 8086033, 8305013, 1595022, 53311886, 718198621, 1038506090, 4627838419

Basic calculations (n = 20921208)

Multiplication

n×y
n×2 41842416
n×3 62763624
n×4 83684832
n×5 104606040

Division

n÷y
n÷2 10460604
n÷3 6973736
n÷3 5230302
n÷5 4184241.6

Exponentiation

ny
n2 437696944179264
n3 9.1571488101388E+21
n4 1.9157861494387E+29
n5 4.0080560515925E+36

Nth Root

y√n
2√n 4573.9707038852
3√n 275.54693574416
4√n 67.631137088513
5√n 29.115037341958

Divisors of 20921208

1, 2, 3, 4, 6, 8, 12, 24, 77, 154, 231, 308, 462, 616, 924, 1848, 11321, 22642, 33963, 45284, 67926, 90568, 135852, 271704, 871717, 1743434, 2615151, 3486868, 5230302, 6973736, 10460604, 20921208

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 -20921207
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 20921208 can be divided by 32 positive divisors. The sum of these divisors (counting 20921208) is 1, the average is 0.03125.

Base conversion 20921208

Base System Value
2 Binary 1001111110011101101111000
3 Ternary 1110100220111120
4 Quaternary 1033303231320
5 Quinary 20323434313
6 Senary 2024225240
8 Octal 117635570
10 Decimal 20921208
12 Duodecimal 700b220
16 Hexadecimal 13f3b78
20 Vigesimal 6af308
36 Base36 cgewo

Cryptographic Hash Functions

md5 435903291705f794250d836ef4c5072d
sha1 6a9c9c32f4e78063f148492728e4b2d4bfaf1d0a
sha256 08482e1d27b14051404dce6068673d29a9cb7c04bb7d28b11fab999c6e9b072c
sha512 aaeb6c0e568fd98cec7de72ae1bb8cfb160f58f3ed17d270badf5c2513e0bf7a88230c1e8e8f046dba73faf8c396ecd483d8d37ad81705be6590a93f83f0a10b
ripemd-160 f24605830e516f3aff588ee509ca94393a814361

20921208 as geometric shapes

Circle

Radius = n
Diameter 41842416
Circumference 131451826.71405
Area 1.3750655043323E+15

Sphere

Radius = n
Volume 3.8357375239681E+22
Surface area 5.5002620173291E+15
Circumference 131451826.71405

Square

Length = n
Perimeter 83684832
Area 437696944179264
Diagonal 29587056.094828

Cube

Length = n
Surface area 2626181665075584
Volume 9.1571488101388E+21
Space diagonal 36236595.211716

Equilateral Triangle

Length = n
Perimeter 62763624
Area 1.8952833640903E+14
Altitude 18118297.605858

Triangular Pyramid

Length = n
Surface area 1.8952833640903E+14
Volume 1.0791803366639E+21
Height 9862352.0316095