21051556 (number)

21051556 is an even 8-digits composite number following 21051555 and preceding 21051557. In scientific notation, it is written as 2.1051556 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 10503848 positive integers (up to 21051556) that are relatively prime to 21051556.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1051556 × 10^7
Engineering notation 2.1051556 × 10^6

Prime Factorization of 21051556

Prime Factorization 2 × 2 × 503 × 10463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10525778
Product of the distinct prime numbers

The prime factorization of 21051556 is 2 × 2 × 503 × 10463. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 29, 39, 371, 551, 7648, 3449, 91995, 83803, 521005, 739672, 9878199, 1342137, 98147873, 30155989, 813436835, 424697685, 5190009458, 8219821985

Basic calculations (n = 21051556)

Multiplication

n×y
n×2 42103112
n×3 63154668
n×4 84206224
n×5 105257780

Division

n÷y
n÷2 10525778
n÷3 7017185.3333333
n÷3 5262889
n÷5 4210311.2

Exponentiation

ny
n2 443168010021136
n3 9.3293761803685E+21
n4 1.9639788510609E+29
n5 4.1344810765925E+36

Nth Root

y√n
2√n 4588.1974674157
3√n 276.11800946683
4√n 67.736234523449
5√n 29.15122706953

Divisors of 21051556

1, 2, 4, 503, 1006, 2012, 10463, 20926, 41852, 5262889, 10525778, 21051556

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21051555
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051556 can be divided by 12 positive divisors. The sum of these divisors (counting 21051556) is 1, the average is 0.083333333333333.

Base conversion 21051556

Base System Value
2 Binary 1010000010011100010100100
3 Ternary 1110121112022021
4 Quaternary 1100103202210
5 Quinary 20342122211
6 Senary 2031112524
8 Octal 120234244
10 Decimal 21051556
12 Duodecimal 7072744
16 Hexadecimal 14138a4
20 Vigesimal 6bb8hg
36 Base36 cj7hg

Cryptographic Hash Functions

md5 2e089a3ad494d560433aff1b3619b7e9
sha1 d12cca188eeebea6b3ceab84fa9f82bffc9eea1e
sha256 4e122cc4914046f4ea83a09c37d1a47cf029dc80b70649498aaebe52b3bfe4ec
sha512 cac283186a88a7426792828e364ac829c4ef86e2b6d47217f9144de8e56845d7bbff5efeb81f1e69fddf03e5dbe4a4eff78b4806fe3ccbaba3a1e1b7a113e768
ripemd-160 e12942c3dbd75e7bf1af46a4ab01da7549990279

21051556 as geometric shapes

Circle

Radius = n
Diameter 42103112
Circumference 132270827.35247
Area 1.3922533645884E+15

Sphere

Radius = n
Volume 3.9078799561095E+22
Surface area 5.5690134583536E+15
Circumference 132270827.35247

Square

Length = n
Perimeter 84206224
Area 443168010021136
Diagonal 29771396.004257

Cube

Length = n
Surface area 2659008060126816
Volume 9.3293761803685E+21
Space diagonal 36462364.570381

Equilateral Triangle

Length = n
Perimeter 63154668
Area 1.9189737741145E+14
Altitude 18231182.285191

Triangular Pyramid

Length = n
Surface area 1.9189737741145E+14
Volume 1.0994775268965E+21
Height 9923798.6680856