21457564 (number)

21457564 is an even 8-digits composite number following 21457563 and preceding 21457565. In scientific notation, it is written as 2.1457564 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 10246656 positive integers (up to 21457564) that are relatively prime to 21457564.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-seven thousand five hundred sixty-four

Notation

Scientific notation 2.1457564 × 10^7
Engineering notation 2.1457564 × 10^6

Prime Factorization of 21457564

Prime Factorization 2 × 2 × 29 × 1907 × 97

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10728782
Product of the distinct prime numbers

The prime factorization of 21457564 is 2 × 2 × 29 × 1907 × 97. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 7, 45, 16, 741, 200, 4768, 3287, 24105, 15260, 15920, 83926, 1281585, 5785269, 558574, 91281772, 750332678, 827129577, 6381975948, 6855418480

Basic calculations (n = 21457564)

Multiplication

n×y
n×2 42915128
n×3 64372692
n×4 85830256
n×5 107287820

Division

n÷y
n÷2 10728782
n÷3 7152521.3333333
n÷3 5364391
n÷5 4291512.8

Exponentiation

ny
n2 460427052814096
n3 9.8796429530898E+21
n4 2.1199307096307E+29
n5 4.5488548877467E+36

Nth Root

y√n
2√n 4632.2309959673
3√n 277.88182268908
4√n 68.06049511991
5√n 29.262813760791

Divisors of 21457564

1, 2, 4, 29, 58, 97, 116, 194, 388, 1907, 2813, 3814, 5626, 7628, 11252, 55303, 110606, 184979, 221212, 369958, 739916, 5364391, 10728782, 21457564

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 -21457563
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 21457564 can be divided by 24 positive divisors. The sum of these divisors (counting 21457564) is 1, the average is 0.041666666666667.

Base conversion 21457564

Base System Value
2 Binary 1010001110110101010011100
3 Ternary 1111101011020121
4 Quaternary 1101312222130
5 Quinary 20443120224
6 Senary 2043524324
8 Octal 121665234
10 Decimal 21457564
12 Duodecimal 72296a4
16 Hexadecimal 1476a9c
20 Vigesimal 6e23i4
36 Base36 crwrg

Cryptographic Hash Functions

md5 0f13158eb8098b790bf0512714fe0f76
sha1 33158c6a35afcbe0a059277e0fc7f0e10a04a5fb
sha256 f4bb0fe62d85e3510b4dbd1ffab58c74e157531e7c8e0f4c99521df3b35a015b
sha512 dda5fc92d6e760fe28309251cd09b360d3060562f32ce4e7cd067872469a58464d3ed4201e74cbabba569900c4fbdf32c1d1a906bdc9025ba0838cc9f3e55002
ripemd-160 11381ebddfccedde404d1bc6ac985b63b580bd4c

21457564 as geometric shapes

Circle

Radius = n
Diameter 42915128
Circumference 134821850.85267
Area 1.4464742466348E+15

Sphere

Radius = n
Volume 4.138375162869E+22
Surface area 5.7858969865391E+15
Circumference 134821850.85267

Square

Length = n
Perimeter 85830256
Area 460427052814096
Diagonal 30345578.024289

Cube

Length = n
Surface area 2762562316884576
Volume 9.8796429530898E+21
Space diagonal 37165591.054661

Equilateral Triangle

Length = n
Perimeter 64372692
Area 1.993707621633E+14
Altitude 18582795.52733

Triangular Pyramid

Length = n
Surface area 1.993707621633E+14
Volume 1.164327087972E+21
Height 10115192.674763