21002556 (number)

21002556 is an even 8-digits composite number following 21002555 and preceding 21002557. In scientific notation, it is written as 2.1002556 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 6936192 positive integers (up to 21002556) that are relatively prime to 21002556.

Interesting facts

Basic properties

Name

Name twenty-one million two thousand five hundred fifty-six

Notation

Scientific notation 2.1002556 × 10^7
Engineering notation 2.1002556 × 10^6

Prime Factorization of 21002556

Prime Factorization 2 × 2 × 3 × 109 × 16057

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10501278
Product of the distinct prime numbers

The prime factorization of 21002556 is 2 × 2 × 3 × 109 × 16057. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 4, 82, 32, 112, 170, 7378, 7502, 9054, 72215, 276529, 726390, 3873721, 2664559, 54912130, 56492333, 32229311, 274466060, 2666123926, 2385056278

Basic calculations (n = 21002556)

Multiplication

n×y
n×2 42005112
n×3 63007668
n×4 84010224
n×5 105012780

Division

n÷y
n÷2 10501278
n÷3 7000852
n÷3 5250639
n÷5 4200511.2

Exponentiation

ny
n2 441107358533136
n3 9.2643819996043E+21
n4 1.9457570175208E+29
n5 4.0865870722874E+36

Nth Root

y√n
2√n 4582.8545689341
3√n 275.90361053353
4√n 67.696784036866
5√n 29.137643827469

Divisors of 21002556

1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 16057, 32114, 48171, 64228, 96342, 192684, 1750213, 3500426, 5250639, 7000852, 10501278, 21002556

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21002555
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21002556 can be divided by 24 positive divisors. The sum of these divisors (counting 21002556) is 1, the average is 0.041666666666667.

Base conversion 21002556

Base System Value
2 Binary 1010000000111100100111100
3 Ternary 1110112001002110
4 Quaternary 1100013210330
5 Quinary 20334040211
6 Senary 2030054020
8 Octal 120074474
10 Decimal 21002556
12 Duodecimal 704a310
16 Hexadecimal 140793c
20 Vigesimal 6b567g
36 Base36 ci5oc

Cryptographic Hash Functions

md5 dc055d94def23c04498137ecb2f0d489
sha1 15802d7bc00ef9a756df072a6b3cd5a1a063dbc0
sha256 e235e187445157c6486528e999bff727622517e02aa6d05859f4a1eb807c5f3d
sha512 79db17b840a809b863652f638f48c41e0b681d07709af59cb768baacb7199ca04e076d24b65669b89a6a0c04ff3fe75ee1341f36e29b847e194c96c3f0ee2daa
ripemd-160 10de059ad4f92d34e468015480fceb0298da1ea8

21002556 as geometric shapes

Circle

Radius = n
Diameter 42005112
Circumference 131962951.27242
Area 1.3857796370121E+15

Sphere

Radius = n
Volume 3.8806552573342E+22
Surface area 5.5431185480484E+15
Circumference 131962951.27242

Square

Length = n
Perimeter 84010224
Area 441107358533136
Diagonal 29702099.5397

Cube

Length = n
Surface area 2646644151198816
Volume 9.2643819996043E+21
Space diagonal 36377494.080811

Equilateral Triangle

Length = n
Perimeter 63007668
Area 1.9100508914297E+14
Altitude 18188747.040405

Triangular Pyramid

Length = n
Surface area 1.9100508914297E+14
Volume 1.0918178892371E+21
Height 9900699.8465668