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

21031551 (number)

21031551 is an odd 8-digits composite number following 21031550 and preceding 21031552. In scientific notation, it is written as 2.1031551 × 10^7. The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors. There are 14021028 positive integers (up to 21031551) that are relatively prime to 21031551.

Interesting facts

21031551 has 4 divisors, whose sum is 23368400
The reverse of 21031551 is 15513012
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	twenty-one million thirty-one thousand five hundred fifty-one

Notation

Scientific notation	2.1031551 × 10^7
Engineering notation	2.1031551 × 10^6

Prime Factorization of 21031551

Prime Factorization 9 × 2336839

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21031551	Product of the distinct prime numbers

The prime factorization of 21031551 is 9 × 2336839. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 48, 68, 228, 691, 8287, 1750, 40066, 88049, 824748, 913381, 2450365, 5800335, 60603851, 77731068, 194902933, 321696512, 7994214691, 4480560522

Basic calculations (n = 21031551)

Multiplication

n×y

n×2	42063102
n×3	63094653
n×4	84126204
n×5	105157755

Division

n÷y

n÷2	10515775.5
n÷3	7010517
n÷3	5257887.75
n÷5	4206310.2

Exponentiation

n^y

n²	442326137465601
n³	9.3028047187408E+21
n⁴	1.9565241188524E+29
n⁵	4.1148736788374E+36

Nth Root

^y√n

²√n	4586.0168992275
³√n	276.03051804948
⁴√n	67.720136586007
⁵√n	29.145684561457

Divisors of 21031551

1, 9, 2336839, 21031551

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21031550	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031551 can be divided by 4 positive divisors. The sum of these divisors (counting 21031551) is 1, the average is 0.25.

Base conversion 21031551

Base	System	Value
2	Binary	1010000001110101001111111
3	Ternary	1110120111212100
4	Quaternary	1100032221333
5	Quinary	20341002201
6	Senary	2030440143
8	Octal	120165177
10	Decimal	21031551
12	Duodecimal	7063053
16	Hexadecimal	140ea7f
20	Vigesimal	6b8ihb
36	Base36	cis1r

Cryptographic Hash Functions

md5	d3223f5d49bbc10e31be4a9a69247c3e
sha1	a5030cd87ad22bfe2a31a6f9c5900451bac255f6
sha256	f288f4a167f2fb2490940d360b12a307a8732f9af0469211d3d35d2e95fa3fa3
sha512	020b1aea880e7d8c7886bceeee3a0c93ac4355dbaa4bd915e94ca8d28e211d5fea97c77fb5b99510900f65abb111461e1743f086d33223041f7bef151c73022b
ripemd-160	2af6e244bc368604938aaab430053a279cee9235

21031551 as geometric shapes

Circle

Radius = n

Diameter	42063102
Circumference	132145132.2304
Area	1.3896085439527E+15

Sphere

Radius = n

Volume	3.8967497282902E+22
Surface area	5.5584341758107E+15
Circumference	132145132.2304

Square

Length = n

Perimeter	84126204
Area	442326137465601
Diagonal	29743104.661941

Cube

Length = n

Surface area	2653956824793606
Volume	9.3028047187408E+21
Space diagonal	36427714.893976

Equilateral Triangle

Length = n

Perimeter	63094653
Area	1.9153283590153E+14
Altitude	18213857.446988

Triangular Pyramid

Length = n

Surface area	1.9153283590153E+14
Volume	1.0963460501126E+21
Height	9914368.2206471