Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21381211 (number)

21381211 is an odd 8-digits prime number following 21381210 and preceding 21381212. In scientific notation, it is written as 2.1381211 × 10^7. The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors. There are 21381210 positive integers (up to 21381211) that are relatively prime to 21381211.

Interesting facts

21381211 has 2 divisors, whose sum is 21381212
The reverse of 21381211 is 11218312
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	twenty-one million three hundred eighty-one thousand two hundred eleven

Notation

Scientific notation	2.1381211 × 10^7
Engineering notation	2.1381211 × 10^6

Prime Factorization of 21381211

Prime Factorization 21381211

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21381211	Product of the distinct prime numbers

The prime factorization of 21381211 is 21381211. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 9, 92, 38, 755, 538, 2117, 8843, 26319, 19380, 544861, 547475, 9821882, 7375911, 42283798, 82804654, 217131557, 507883443, 7651763760, 3509446208

Basic calculations (n = 21381211)

Multiplication

n×y

n×2	42762422
n×3	64143633
n×4	85524844
n×5	106906055

Division

n÷y

n÷2	10690605.5
n÷3	7127070.3333333
n÷3	5345302.75
n÷5	4276242.2

Exponentiation

n^y

n²	457156183826521
n³	9.7745528263496E+21
n⁴	2.0899177641083E+29
n⁵	4.4684972687047E+36

Nth Root

^y√n

²√n	4623.9821582701
³√n	277.55183297121
⁴√n	67.999868810683
⁵√n	29.241958731976

Divisors of 21381211

1, 21381211

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21381212	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10690606	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4623.982266402	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999064599	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21381211 can be divided by 2 positive divisors. The sum of these divisors (counting 21381211) is 21381212, the average is 10690606.

Base conversion 21381211

Base	System	Value
2	Binary	1010001100100000001011011
3	Ternary	1111020021111201
4	Quaternary	1101210001123
5	Quinary	20433144321
6	Senary	2042135031
8	Octal	121440133
10	Decimal	21381211
12	Duodecimal	71b1477
16	Hexadecimal	146405b
20	Vigesimal	6dcd0b
36	Base36	cq9uj

Cryptographic Hash Functions

md5	1a71e23031b342e7187f65803548c61c
sha1	565c4f50a55492f96a52cfcf4b4a0d4579291f5b
sha256	3b56bc7a0929627f3ca5e608ba3a44eb89ee91b16a2e09a219537668025072bb
sha512	9270d04fa3728a4c485d9fe2e4911293c633a969047f8d10425e9c626a2a1683ac4801e41ca7b642f8a83e55130e0c80d2def678abf314c017a122d2feaa11e0
ripemd-160	b862032d6bd5ccdde52450e3e642ca3d5ee97dde

21381211 as geometric shapes

Circle

Radius = n

Diameter	42762422
Circumference	134342110.80491
Area	1.4361985086525E+15

Sphere

Radius = n

Volume	4.094355113518E+22
Surface area	5.7447940346102E+15
Circumference	134342110.80491

Square

Length = n

Perimeter	85524844
Area	457156183826521
Diagonal	30237598.576161

Cube

Length = n

Surface area	2742937102959126
Volume	9.7745528263496E+21
Space diagonal	37033343.779351

Equilateral Triangle

Length = n

Perimeter	64143633
Area	1.9795443434546E+14
Altitude	18516671.889675

Triangular Pyramid

Length = n

Surface area	1.9795443434546E+14
Volume	1.151942097763E+21
Height	10079199.525387