21291282 (number)

21291282 is an even 8-digits composite number following 21291281 and preceding 21291283. In scientific notation, it is written as 2.1291282 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 6945264 positive integers (up to 21291282) that are relatively prime to 21291282.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1291282 × 10^7
Engineering notation 2.1291282 × 10^6

Prime Factorization of 21291282

Prime Factorization 2 × 27 × 47 × 8389

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21291282
Product of the distinct prime numbers

The prime factorization of 21291282 is 2 × 27 × 47 × 8389. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 82, 24, 372, 279, 6863, 8651, 27702, 89983, 150894, 820270, 6325141, 546875, 16492557, 81813633, 808958683, 692536768, 1999393290, 8803133938

Basic calculations (n = 21291282)

Multiplication

n×y
n×2 42582564
n×3 63873846
n×4 85165128
n×5 106456410

Division

n÷y
n÷2 10645641
n÷3 7097094
n÷3 5322820.5
n÷5 4258256.4

Exponentiation

ny
n2 453318689203524
n3 9.6517360477026E+21
n4 2.054978339812E+29
n5 4.3753123336829E+36

Nth Root

y√n
2√n 4614.2477176675
3√n 277.16216008657
4√n 67.928254192696
5√n 29.217319009804

Divisors of 21291282

1, 2, 27, 47, 54, 94, 1269, 2538, 8389, 16778, 226503, 394283, 453006, 788566, 10645641, 21291282

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 -21291281
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 21291282 can be divided by 16 positive divisors. The sum of these divisors (counting 21291282) is 1, the average is 0.0625.

Base conversion 21291282

Base System Value
2 Binary 1010001001110000100010010
3 Ternary 1111001201011000
4 Quaternary 1101032010102
5 Quinary 20422310112
6 Senary 2040202430
8 Octal 121160422
10 Decimal 21291282
12 Duodecimal 7169416
16 Hexadecimal 144e112
20 Vigesimal 6d1842
36 Base36 cocgi

Cryptographic Hash Functions

md5 055e1286d1c91bb0b87673e1c3e08c42
sha1 83a0a0fe08fceb7288e8c78f3982946e67f5fb49
sha256 b437799285ffd309138dd5615b0c6011bddf92199611b77f262a932f6ca468eb
sha512 b466d4c509fba100f2dc3bbdde0a9e34e42af2ed99ad8b3a4b838b0a991f470401bda9258de6845a6911cddc1942b5ce789231c2265697784b88abb2986c444d
ripemd-160 27f6277d0702c4a5e28d8fc00b9fb13b12c179e3

21291282 as geometric shapes

Circle

Radius = n
Diameter 42582564
Circumference 133777070.23342
Area 1.4241426637367E+15

Sphere

Radius = n
Volume 4.04290974158E+22
Surface area 5.696570654947E+15
Circumference 133777070.23342

Square

Length = n
Perimeter 85165128
Area 453318689203524
Diagonal 30110419.76471

Cube

Length = n
Surface area 2719912135221144
Volume 9.6517360477026E+21
Space diagonal 36877582.182277

Equilateral Triangle

Length = n
Perimeter 63873846
Area 1.9629275043026E+14
Altitude 18438791.091138

Triangular Pyramid

Length = n
Surface area 1.9629275043026E+14
Volume 1.1374680015922E+21
Height 10036806.588237