21554816 (number)

21554816 is an even 8-digits composite number following 21554815 and preceding 21554817. In scientific notation, it is written as 2.1554816 × 10^7. The sum of its digits is 32. It has a total of 9 prime factors and 32 positive divisors. There are 10209024 positive integers (up to 21554816) that are relatively prime to 21554816.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand eight hundred sixteen

Notation

Scientific notation 2.1554816 × 10^7
Engineering notation 2.1554816 × 10^6

Prime Factorization of 21554816

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 8863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 336794
Product of the distinct prime numbers

The prime factorization of 21554816 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 8863. Since it has a total of 9 prime factors.

Most popular turbo-numbers

6, 6, 79, 3, 481, 834, 4777, 1327, 272, 77215, 745904, 20797, 8268861, 6427440, 33856561, 83899122, 91388900, 541028211, 8987686768, 8670502302

Basic calculations (n = 21554816)

Multiplication

n×y
n×2 43109632
n×3 64664448
n×4 86219264
n×5 107774080

Division

n÷y
n÷2 10777408
n÷3 7184938.6666667
n÷3 5388704
n÷5 4310963.2

Exponentiation

ny
n2 464610092793856
n3 1.0014585061914E+22
n4 2.1586253832592E+29
n5 4.6528772949081E+36

Nth Root

y√n
2√n 4642.7164462198
3√n 278.30100412945
4√n 68.137481948043
5√n 29.289291340692

Divisors of 21554816

1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8863, 17726, 35452, 70904, 141808, 168397, 283616, 336794, 567232, 673588, 1134464, 1347176, 2694352, 5388704, 10777408, 21554816

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21554815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21554816 can be divided by 32 positive divisors. The sum of these divisors (counting 21554816) is 1, the average is 0.03125.

Base conversion 21554816

Base System Value
2 Binary 1010010001110011010000000
3 Ternary 1111120002122112
4 Quaternary 1102032122000
5 Quinary 21004223231
6 Senary 2045554452
8 Octal 122163200
10 Decimal 21554816
12 Duodecimal 7275a28
16 Hexadecimal 148e680
20 Vigesimal 6ee70g
36 Base36 ctzsw

Cryptographic Hash Functions

md5 213ff72485ce9e2ef25bfc8ed00fffc6
sha1 4be0ce3af5ed29912ff37721bb0ed6f81a960f72
sha256 799f1d862b78cf906b458005ee3dee89911801c345b024c3e1ddae70b269d99d
sha512 59d689eabf3854dd98d5812b3b3d634e9b5156542604279d0cf6779865bbda51f8b0824396a9f98d18858cad385cc598ec03e8a91a5ec81743d95ad40f916153
ripemd-160 fa3f5879e0b89ce0e2ccaa6b79445333ae917793

21554816 as geometric shapes

Circle

Radius = n
Diameter 43109632
Circumference 135432903.19016
Area 1.4596156543048E+15

Sphere

Radius = n
Volume 4.1948995812348E+22
Surface area 5.8384626172194E+15
Circumference 135432903.19016

Square

Length = n
Perimeter 86219264
Area 464610092793856
Diagonal 30483113.121657

Cube

Length = n
Surface area 2787660556763136
Volume 1.0014585061914E+22
Space diagonal 37334036.459799

Equilateral Triangle

Length = n
Perimeter 64664448
Area 2.0118207160706E+14
Altitude 18667018.229899

Triangular Pyramid

Length = n
Surface area 2.0118207160706E+14
Volume 1.1802301680082E+21
Height 10161037.707219