21931640 (number)

21931640 is an even 8-digits composite number following 21931639 and preceding 21931641. In scientific notation, it is written as 2.1931640 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors. There are 8772640 positive integers (up to 21931640) that are relatively prime to 21931640.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand six hundred forty

Notation

Scientific notation 2.1931640 × 10^7
Engineering notation 2.1931640 × 10^6

Prime Factorization of 21931640

Prime Factorization 2 × 2 × 2 × 5 × 548291

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5482910
Product of the distinct prime numbers

The prime factorization of 21931640 is 2 × 2 × 2 × 5 × 548291. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 32, 82, 951, 739, 4305, 954, 9442, 19156, 442620, 246511, 555403, 8696637, 53493277, 2718245, 782854080, 284652950, 3714708736, 8766646439

Basic calculations (n = 21931640)

Multiplication

n×y
n×2 43863280
n×3 65794920
n×4 87726560
n×5 109658200

Division

n÷y
n÷2 10965820
n÷3 7310546.6666667
n÷3 5482910
n÷5 4386328

Exponentiation

ny
n2 480996833089600
n3 1.0549049384461E+22
n4 2.3135795344222E+29
n5 5.0740593460316E+36

Nth Root

y√n
2√n 4683.1228896966
3√n 279.91340859809
4√n 68.433346328355
5√n 29.390990452903

Divisors of 21931640

1, 2, 4, 5, 8, 10, 20, 40, 548291, 1096582, 2193164, 2741455, 4386328, 5482910, 10965820, 21931640

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931640 can be divided by 16 positive divisors. The sum of these divisors (counting 21931640) is 1, the average is 0.0625.

Base conversion 21931640

Base System Value
2 Binary 1010011101010011001111000
3 Ternary 1112021020112222
4 Quaternary 1103222121320
5 Quinary 21103303030
6 Senary 2102023212
8 Octal 123523170
10 Decimal 21931640
12 Duodecimal 7417b08
16 Hexadecimal 14ea678
20 Vigesimal 6h1920
36 Base36 d22k8

Cryptographic Hash Functions

md5 8c1464e9988638fd76ebc5fd14c5f1c7
sha1 ad9e132cae8e79307a74295576c8201c8de9a4f7
sha256 2164ec689f8d116ad0c4a13efa5282712094455e9084462734685d1b884fda25
sha512 602ab47fdfc336869cbc21e884af2660f0ea61fac284de7220daa25def2156f678a9c5f7fb6f24fdf4cb36ebafaaf22e61679aec2fc1c3c138deddb53957bf2c
ripemd-160 5bf7764c6921b900414f25e56c3d027d1e6484e4

21931640 as geometric shapes

Circle

Radius = n
Diameter 43863280
Circumference 137800558.21035
Area 1.5110961172342E+15

Sphere

Radius = n
Volume 4.4187754731439E+22
Surface area 6.044384468937E+15
Circumference 137800558.21035

Square

Length = n
Perimeter 87726560
Area 480996833089600
Diagonal 31016022.733084

Cube

Length = n
Surface area 2885980998537600
Volume 1.0549049384461E+22
Space diagonal 37986714.77331

Equilateral Triangle

Length = n
Perimeter 65794920
Area 2.0827773829773E+14
Altitude 18993357.386655

Triangular Pyramid

Length = n
Surface area 2.0827773829773E+14
Volume 1.2432173924707E+21
Height 10338674.244361