21014781 (number)

21014781 is an odd 8-digits composite number following 21014780 and preceding 21014782. In scientific notation, it is written as 2.1014781 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 13569264 positive integers (up to 21014781) that are relatively prime to 21014781.

Interesting facts

Basic properties

Name

Name twenty-one million fourteen thousand seven hundred eighty-one

Notation

Scientific notation 2.1014781 × 10^7
Engineering notation 2.1014781 × 10^6

Prime Factorization of 21014781

Prime Factorization 3 × 47 × 103 × 1447

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21014781
Product of the distinct prime numbers

The prime factorization of 21014781 is 3 × 47 × 103 × 1447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21014781)

Multiplication

n×y
n×2 42029562
n×3 63044343
n×4 84059124
n×5 105073905

Division

n÷y
n÷2 10507390.5
n÷3 7004927
n÷3 5253695.25
n÷5 4202956.2

Exponentiation

ny
n2 441621020477961
n3 9.2805690303409E+21
n4 1.95029125728E+29
n5 4.0984943657953E+36

Nth Root

y√n
2√n 4584.1881505889
3√n 275.95713207352
4√n 67.706632988127
5√n 29.141035079366

Divisors of 21014781

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 -21014780
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 21014781 can be divided by 16 positive divisors. The sum of these divisors (counting 21014781) is 1, the average is 0.0625.

Base conversion 21014781

Base System Value
2 Binary 1010000001010100011111101
3 Ternary 1110112122212020
4 Quaternary 1100022203331
5 Quinary 20334433111
6 Senary 2030230353
8 Octal 120124375
10 Decimal 21014781
12 Duodecimal 70553b9
16 Hexadecimal 140a8fd
20 Vigesimal 6b6gj1
36 Base36 cif3x

Cryptographic Hash Functions

md5 2eecfd37f6dd29c6239bbcdb45199669
sha1 d09fed198ce0eab6bc25d5465b845a01d5a8407e
sha256 2e8f6bb1ff731e5b325688e1d269c5ec688bb720a0346822d20ae106c919e061
sha512 39c16dd03a14555719e0976f54cc443e79415146110808c4ccff27a51205534b6391b733b69ae064a07fb0f4c3a908fe95cf82f1f86c7eca667627a23cf4116c
ripemd-160 f12a56b0272c2d0ad27bb66f6aa10be849898d78

21014781 as geometric shapes

Circle

Radius = n
Diameter 42029562
Circumference 132039763.2128
Area 1.3873933536044E+15

Sphere

Radius = n
Volume 3.8874356649136E+22
Surface area 5.5495734144176E+15
Circumference 132039763.2128

Square

Length = n
Perimeter 84059124
Area 441621020477961
Diagonal 29719388.3005

Cube

Length = n
Surface area 2649726122867766
Volume 9.2805690303409E+21
Space diagonal 36398668.401933

Equilateral Triangle

Length = n
Perimeter 63044343
Area 1.9122751128956E+14
Altitude 18199334.200967

Triangular Pyramid

Length = n
Surface area 1.9122751128956E+14
Volume 1.093725549104E+21
Height 9906462.7668335