21457536 (number)

21457536 is an even 8-digits composite number following 21457535 and preceding 21457537. In scientific notation, it is written as 2.1457536 × 10^7. The sum of its digits is 33. It has a total of 10 prime factors and 64 positive divisors. There are 6340608 positive integers (up to 21457536) that are relatively prime to 21457536.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-seven thousand five hundred thirty-six

Notation

Scientific notation 2.1457536 × 10^7
Engineering notation 2.1457536 × 10^6

Prime Factorization of 21457536

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 57 × 17 × 173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 335274
Product of the distinct prime numbers

The prime factorization of 21457536 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 57 × 17 × 173. Since it has a total of 10 prime factors.

Most popular turbo-numbers

10, 9, 84, 20, 297, 787, 6243, 6206, 86714, 25606, 633873, 598660, 2026807, 826661, 77650357, 21380837, 9139851, 105059562, 8090627535, 7642223964

Basic calculations (n = 21457536)

Multiplication

n×y
n×2 42915072
n×3 64372608
n×4 85830144
n×5 107287680

Division

n÷y
n÷2 10728768
n÷3 7152512
n÷3 5364384
n÷5 4291507.2

Exponentiation

ny
n2 460425851191296
n3 9.8796042772679E+21
n4 2.1199196444523E+29
n5 4.5488252087942E+36

Nth Root

y√n
2√n 4632.2279736645
3√n 277.88170181959
4√n 68.060472916844
5√n 29.262806123771

Divisors of 21457536

1, 2, 4, 8, 16, 17, 32, 34, 57, 64, 68, 114, 128, 136, 173, 228, 272, 346, 456, 544, 692, 912, 969, 1088, 1384, 1824, 1938, 2176, 2768, 2941, 3648, 3876, 5536, 5882, 7296, 7752, 9861, 11072, 11764, 15504, 19722, 22144, 23528, 31008, 39444, 47056, 62016, 78888, 94112, 124032, 157776, 167637, 188224, 315552, 335274, 376448, 631104, 670548, 1262208, 1341096, 2682192, 5364384, 10728768, 21457536

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21457535
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21457536 can be divided by 64 positive divisors. The sum of these divisors (counting 21457536) is 1, the average is 0.015625.

Base conversion 21457536

Base System Value
2 Binary 1010001110110101010000000
3 Ternary 1111101011012120
4 Quaternary 1101312222000
5 Quinary 20443120121
6 Senary 2043524240
8 Octal 121665200
10 Decimal 21457536
12 Duodecimal 7229680
16 Hexadecimal 1476a80
20 Vigesimal 6e23gg
36 Base36 crwqo

Cryptographic Hash Functions

md5 dd165843ce1cafc19074c7c977e8d5b1
sha1 df69d410bb09bce5ac2b72158b804be7d315922b
sha256 134dd460cd94a128f00d6039330cd7a4f4e738872bfa889e1cccea20045c10ff
sha512 8a9d011c66576e4c3253c9a38f3787c0e53a281a97a18ddd9b25897315cbf6b3a9785f83d5ce5cdd21caaf8c6667b40f7cae69e7b1057b63149dd98eee5629b0
ripemd-160 e5b1138e8611cfb1681ad3e2462493ed1e3de446

21457536 as geometric shapes

Circle

Radius = n
Diameter 42915072
Circumference 134821674.92348
Area 1.4464704716254E+15

Sphere

Radius = n
Volume 4.1383589623785E+22
Surface area 5.7858818865016E+15
Circumference 134821674.92348

Square

Length = n
Perimeter 85830144
Area 460425851191296
Diagonal 30345538.426309

Cube

Length = n
Surface area 2762555107147776
Volume 9.8796042772679E+21
Space diagonal 37165542.557238

Equilateral Triangle

Length = n
Perimeter 64372608
Area 1.9937024184537E+14
Altitude 18582771.278619

Triangular Pyramid

Length = n
Surface area 1.9937024184537E+14
Volume 1.1643225299826E+21
Height 10115179.475436