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

21005551 (number)

21005551 is an odd 8-digits composite number following 21005550 and preceding 21005552. In scientific notation, it is written as 2.1005551 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 17971200 positive integers (up to 21005551) that are relatively prime to 21005551.

Interesting facts

21005551 has 8 divisors, whose sum is 24051104
The reverse of 21005551 is 15550012
Previous prime number is 601

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

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

Notation

Scientific notation	2.1005551 × 10^7
Engineering notation	2.1005551 × 10^6

Prime Factorization of 21005551

Prime Factorization 7 × 601 × 4993

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21005551	Product of the distinct prime numbers

The prime factorization of 21005551 is 7 × 601 × 4993. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 95, 12, 36, 5, 3583, 9438, 77470, 12443, 800535, 707959, 7979724, 2355560, 8970853, 71902020, 970829871, 55014899, 5967261786, 6397572881

Basic calculations (n = 21005551)

Multiplication

n×y

n×2	42011102
n×3	63016653
n×4	84022204
n×5	105027755

Division

n÷y

n÷2	10502775.5
n÷3	7001850.3333333
n÷3	5251387.75
n÷5	4201110.2

Exponentiation

n^y

n²	441233172813601
n³	9.2683459144279E+21
n⁴	1.9468671279116E+29
n⁵	4.089501674557E+36

Nth Root

^y√n

²√n	4583.1813186912
³√n	275.91672468398
⁴√n	67.699197326787
⁵√n	29.138474795527

Divisors of 21005551

1, 7, 601, 4207, 4993, 34951, 3000793, 21005551

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21005550	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21005551 can be divided by 8 positive divisors. The sum of these divisors (counting 21005551) is 1, the average is 0.125.

Base conversion 21005551

Base	System	Value
2	Binary	1010000001000010011101111
3	Ternary	1110112012012101
4	Quaternary	1100020103233
5	Quinary	20334134201
6	Senary	2030115531
8	Octal	120102357
10	Decimal	21005551
12	Duodecimal	704bba7
16	Hexadecimal	14084ef
20	Vigesimal	6b5dhb
36	Base36	ci7zj

Cryptographic Hash Functions

md5	9618acd6ad8558fd5375d57a7a9706a8
sha1	44de22159d3658e73e2ca884b03c103344f30f6c
sha256	c2823a05b1ed074332a3df030f31637fa4cc6f365273c45e32db9f898eb3f78a
sha512	fbe94eae519e9e50a0e6c28b00d9a90a3562bbbd35ca57ea025c35c5d5570d1028388e6da42dce6397b81a6226b750c1c77cbe27369c2aff75c593308ea1524b
ripemd-160	d32606bd39bb8b789e0acba0844fe74df36a7bb0

21005551 as geometric shapes

Circle

Radius = n

Diameter	42011102
Circumference	131981769.41241
Area	1.3861748942313E+15

Sphere

Radius = n

Volume	3.8823156580928E+22
Surface area	5.5446995769253E+15
Circumference	131981769.41241

Square

Length = n

Perimeter	84022204
Area	441233172813601
Diagonal	29706335.10932

Cube

Length = n

Surface area	2647399036881606
Volume	9.2683459144279E+21
Space diagonal	36382681.572979

Equilateral Triangle

Length = n

Perimeter	63016653
Area	1.9105956832449E+14
Altitude	18191340.78649

Triangular Pyramid

Length = n

Surface area	1.9105956832449E+14
Volume	1.0922850410791E+21
Height	9902111.7031066