21087941 (number)

21087941 is an odd 8-digits composite number following 21087940 and preceding 21087942. In scientific notation, it is written as 2.1087941 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17289360 positive integers (up to 21087941) that are relatively prime to 21087941.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand nine hundred forty-one

Notation

Scientific notation 2.1087941 × 10^7
Engineering notation 2.1087941 × 10^6

Prime Factorization of 21087941

Prime Factorization 7 × 23 × 130981

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21087941
Product of the distinct prime numbers

The prime factorization of 21087941 is 7 × 23 × 130981. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087941)

Multiplication

n×y
n×2 42175882
n×3 63263823
n×4 84351764
n×5 105439705

Division

n÷y
n÷2 10543970.5
n÷3 7029313.6666667
n÷3 5271985.25
n÷5 4217588.2

Exponentiation

ny
n2 444701255619481
n3 9.3778338411295E+21
n4 1.9775920674954E+29
n5 4.1703344841412E+36

Nth Root

y√n
2√n 4592.1608203546
3√n 276.27699646763
4√n 67.765483989673
5√n 29.161296965206

Divisors of 21087941

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 -21087940
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 21087941 can be divided by 8 positive divisors. The sum of these divisors (counting 21087941) is 1, the average is 0.125.

Base conversion 21087941

Base System Value
2 Binary 1010000011100011011000101
3 Ternary 1110200101012212
4 Quaternary 1100130123011
5 Quinary 20344303231
6 Senary 2031553205
8 Octal 120343305
10 Decimal 21087941
12 Duodecimal 708b805
16 Hexadecimal 141c6c5
20 Vigesimal 6bfjh1
36 Base36 cjzk5

Cryptographic Hash Functions

md5 aec19954c928b1e42ed954210477aef5
sha1 be77fb45e8c4111e01c593fa6c4358b523cf511d
sha256 82bf4505f8aeb8ab3aae83c9e530a772f4c6d9889e7224d00582ce3e9c204926
sha512 c73251b18b7b0701478c63ef4f32dd25f96c05b591b4d1d87ccce4892d3662eb91f1a711121d08e1bcfce23600f206927ff437976434ed9afdc5e04212c7e53f
ripemd-160 fec48a21256891b33227772defdb87ff90f36b59

21087941 as geometric shapes

Circle

Radius = n
Diameter 42175882
Circumference 132499441.04987
Area 1.3970701976963E+15

Sphere

Radius = n
Volume 3.9281778535838E+22
Surface area 5.5882807907853E+15
Circumference 132499441.04987

Square

Length = n
Perimeter 84351764
Area 444701255619481
Diagonal 29822852.164724

Cube

Length = n
Surface area 2668207533716886
Volume 9.3778338411295E+21
Space diagonal 36525385.239015

Equilateral Triangle

Length = n
Perimeter 63263823
Area 1.9256129223065E+14
Altitude 18262692.619507

Triangular Pyramid

Length = n
Surface area 1.9256129223065E+14
Volume 1.1051883169839E+21
Height 9940950.7215746