21020587 (number)

21020587 is an odd 8-digits composite number following 21020586 and preceding 21020588. In scientific notation, it is written as 2.1020587 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 17958912 positive integers (up to 21020587) that are relatively prime to 21020587.

Interesting facts

Basic properties

Name

Name twenty-one million twenty thousand five hundred eighty-seven

Notation

Scientific notation 2.1020587 × 10^7
Engineering notation 2.1020587 × 10^6

Prime Factorization of 21020587

Prime Factorization 7 × 317 × 9473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21020587
Product of the distinct prime numbers

The prime factorization of 21020587 is 7 × 317 × 9473. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21020587)

Multiplication

n×y
n×2 42041174
n×3 63061761
n×4 84082348
n×5 105102935

Division

n÷y
n÷2 10510293.5
n÷3 7006862.3333333
n÷3 5255146.75
n÷5 4204117.4

Exponentiation

ny
n2 441865077824569
n3 9.2882633106731E+21
n4 1.9524474700091E+29
n5 4.1041591906257E+36

Nth Root

y√n
2√n 4584.8213705661
3√n 275.98254370447
4√n 67.711309030074
5√n 29.142645128548

Divisors of 21020587

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 -21020586
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 21020587 can be divided by 8 positive divisors. The sum of these divisors (counting 21020587) is 1, the average is 0.125.

Base conversion 21020587

Base System Value
2 Binary 1010000001011111110101011
3 Ternary 1110112221211021
4 Quaternary 1100023332223
5 Quinary 20340124322
6 Senary 2030313311
8 Octal 120137653
10 Decimal 21020587
12 Duodecimal 7058837
16 Hexadecimal 140bfab
20 Vigesimal 6b7b97
36 Base36 cijl7

Cryptographic Hash Functions

md5 e970e3e229f13f9610e0808dd68f4c22
sha1 6046f196d69573458ca25c0505c89bf09e8b1c73
sha256 0990ca6fab804e225f4699bc1470bf20957a86bad2369b62a62ea159b535a0b3
sha512 6782dedd96ea706a71abb848666aabefa59e22f4b08f8dc2bb0c7f1190d9167e3562b0a235938850f4d1f6309bfc982e679048e08a659531f0d69976d0dfdd7b
ripemd-160 0dd80a9e28b33ecc007e1e828a32b89c2070756f

21020587 as geometric shapes

Circle

Radius = n
Diameter 42041174
Circumference 132076243.38669
Area 1.3881600823715E+15

Sphere

Radius = n
Volume 3.8906586375224E+22
Surface area 5.5526403294862E+15
Circumference 132076243.38669

Square

Length = n
Perimeter 84082348
Area 441865077824569
Diagonal 29727599.224444

Cube

Length = n
Surface area 2651190466947414
Volume 9.2882633106731E+21
Space diagonal 36408724.688922

Equilateral Triangle

Length = n
Perimeter 63061761
Area 1.9133319122063E+14
Altitude 18204362.344461

Triangular Pyramid

Length = n
Surface area 1.9133319122063E+14
Volume 1.0946323287372E+21
Height 9909199.7414812