21693728 (number)

21693728 is an even 8-digits composite number following 21693727 and preceding 21693729. In scientific notation, it is written as 2.1693728 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors. There are 9297216 positive integers (up to 21693728) that are relatively prime to 21693728.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-three thousand seven hundred twenty-eight

Notation

Scientific notation 2.1693728 × 10^7
Engineering notation 2.1693728 × 10^6

Prime Factorization of 21693728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 96847

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1355858
Product of the distinct prime numbers

The prime factorization of 21693728 is 2 × 2 × 2 × 2 × 2 × 7 × 96847. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 9, 73, 77, 279, 917, 8035, 678, 72104, 45876, 828598, 361726, 1042484, 9055231, 99181674, 80823567, 162595212, 607127146, 5280047557, 4280050807

Basic calculations (n = 21693728)

Multiplication

n×y
n×2 43387456
n×3 65081184
n×4 86774912
n×5 108468640

Division

n÷y
n÷2 10846864
n÷3 7231242.6666667
n÷3 5423432
n÷5 4338745.6

Exponentiation

ny
n2 470617834537984
n3 1.0209455294416E+22
n4 2.2148114618522E+29
n5 4.8047517424704E+36

Nth Root

y√n
2√n 4657.6526276656
3√n 278.89756991532
4√n 68.246997206218
5√n 29.326945906031

Divisors of 21693728

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 96847, 193694, 387388, 677929, 774776, 1355858, 1549552, 2711716, 3099104, 5423432, 10846864, 21693728

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 -21693727
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 21693728 can be divided by 24 positive divisors. The sum of these divisors (counting 21693728) is 1, the average is 0.041666666666667.

Base conversion 21693728

Base System Value
2 Binary 1010010110000010100100000
3 Ternary 1111211011012102
4 Quaternary 1102300110200
5 Quinary 21023144403
6 Senary 2052545532
8 Octal 122602440
10 Decimal 21693728
12 Duodecimal 73222a8
16 Hexadecimal 14b0520
20 Vigesimal 6fbe68
36 Base36 cwyzk

Cryptographic Hash Functions

md5 28d12e28ac582d09dbd187aaaacce0da
sha1 8c14c8f4da422afa038155910dc81268575ae388
sha256 c4dc80fb35af9f38bd02dc2e6ed57925a37e3658a9b0957dce332f5bf266d9ba
sha512 c80f94f6128d3260d407281214d8a8507e41a079d7ff9d79bda57eb9db222acd7949115d5135906de1a3d4e622d04bc1eaa19300ecdfa207fe1a93d719069a4f
ripemd-160 04ebbc667678c42993fcc5eabfc6d34a1cac4d5d

21693728 as geometric shapes

Circle

Radius = n
Diameter 43387456
Circumference 136305713.02755
Area 1.4784895316329E+15

Sphere

Radius = n
Volume 4.2765266333454E+22
Surface area 5.9139581265315E+15
Circumference 136305713.02755

Square

Length = n
Perimeter 86774912
Area 470617834537984
Diagonal 30679564.356033

Cube

Length = n
Surface area 2823707007227904
Volume 1.0209455294416E+22
Space diagonal 37574639.10158

Equilateral Triangle

Length = n
Perimeter 65081184
Area 2.0378350009196E+14
Altitude 18787319.55079

Triangular Pyramid

Length = n
Surface area 2.0378350009196E+14
Volume 1.2031958451504E+21
Height 10226521.452011