21120816 (number)

21120816 is an even 8-digits composite number following 21120815 and preceding 21120817. In scientific notation, it is written as 2.1120816 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 6797056 positive integers (up to 21120816) that are relatively prime to 21120816.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty thousand eight hundred sixteen

Notation

Scientific notation 2.1120816 × 10^7
Engineering notation 2.1120816 × 10^6

Prime Factorization of 21120816

Prime Factorization 2 × 2 × 2 × 2 × 3 × 29 × 15173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2640102
Product of the distinct prime numbers

The prime factorization of 21120816 is 2 × 2 × 2 × 2 × 3 × 29 × 15173. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21120816)

Multiplication

n×y
n×2 42241632
n×3 63362448
n×4 84483264
n×5 105604080

Division

n÷y
n÷2 10560408
n÷3 7040272
n÷3 5280204
n÷5 4224163.2

Exponentiation

ny
n2 446088868505856
n3 9.4217609113604E+21
n4 1.9899527860483E+29
n5 4.2029426642815E+36

Nth Root

y√n
2√n 4595.7388959774
3√n 276.4204890696
4√n 67.791879277517
5√n 29.170383488968

Divisors of 21120816

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21120815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21120816 can be divided by 40 positive divisors. The sum of these divisors (counting 21120816) is 1, the average is 0.025.

Base conversion 21120816

Base System Value
2 Binary 1010000100100011100110000
3 Ternary 1110202001022110
4 Quaternary 1100210130300
5 Quinary 20401331231
6 Senary 2032405320
8 Octal 120443460
10 Decimal 21120816
12 Duodecimal 70a6840
16 Hexadecimal 1424730
20 Vigesimal 6c020g
36 Base36 ckoxc

Cryptographic Hash Functions

md5 9a56e995e265e662cd0808ff5d039756
sha1 e87a8ee54ca88949fc5f7edbeaa1b0c3abe50b55
sha256 65ce124fecae22a0f7c166ffabbca0b651abe1d11dace42fa919814ea912f19f
sha512 1e33896a276ddfb13d07b9d119f887f319aff59349092747a0a969d37dfa5ab6db7857d81974a180a548f85f924648ede2b804f21052d776d538b0521e9ad83e
ripemd-160 092b3c4c34c099ae2795e5d74ddf1c6f35f12b2c

21120816 as geometric shapes

Circle

Radius = n
Diameter 42241632
Circumference 132706000.76684
Area 1.4014295121462E+15

Sphere

Radius = n
Volume 3.9465779817346E+22
Surface area 5.6057180485847E+15
Circumference 132706000.76684

Square

Length = n
Perimeter 84483264
Area 446088868505856
Diagonal 29869344.435587

Cube

Length = n
Surface area 2676533211035136
Volume 9.4217609113604E+21
Space diagonal 36582326.409314

Equilateral Triangle

Length = n
Perimeter 63362448
Area 1.9316214623576E+14
Altitude 18291163.204657

Triangular Pyramid

Length = n
Surface area 1.9316214623576E+14
Volume 1.1103651718569E+21
Height 9956448.1451956