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

21249991 (number)

21249991 is an odd 8-digits composite number following 21249990 and preceding 21249992. In scientific notation, it is written as 2.1249991 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 18214272 positive integers (up to 21249991) that are relatively prime to 21249991.

Interesting facts

21249991 has 4 divisors, whose sum is 24285712
The reverse of 21249991 is 19994212
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty-one million two hundred forty-nine thousand nine hundred ninety-one

Notation

Scientific notation	2.1249991 × 10^7
Engineering notation	2.1249991 × 10^6

Prime Factorization of 21249991

Prime Factorization 7 × 3035713

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21249991	Product of the distinct prime numbers

The prime factorization of 21249991 is 7 × 3035713. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 9, 38, 93, 304, 732, 9949, 8309, 49799, 90419, 894949, 478367, 4661402, 2785004, 76153259, 66186535, 546640249, 204906496, 6047540285, 946420043

Basic calculations (n = 21249991)

Multiplication

n×y

n×2	42499982
n×3	63749973
n×4	84999964
n×5	106249955

Division

n÷y

n÷2	10624995.5
n÷3	7083330.3333333
n÷3	5312497.75
n÷5	4249998.2

Exponentiation

n^y

n²	451562117500081
n³	9.5956909328177E+21
n⁴	2.0390834596116E+29
n⁵	4.3330505164995E+36

Nth Root

^y√n

²√n	4609.7712524593
³√n	276.98287373425
⁴√n	67.895296246937
⁵√n	29.205977755047

Divisors of 21249991

1, 7, 3035713, 21249991

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	-21249990	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 21249991 can be divided by 4 positive divisors. The sum of these divisors (counting 21249991) is 1, the average is 0.25.

Base conversion 21249991

Base	System	Value
2	Binary	1010001000011111111000111
3	Ternary	1110222121111201
4	Quaternary	1101003333013
5	Quinary	20414444431
6	Senary	2035243331
8	Octal	121037707
10	Decimal	21249991
12	Duodecimal	7149547
16	Hexadecimal	1443fc7
20	Vigesimal	6cg4jb
36	Base36	cnglj

Cryptographic Hash Functions

md5	45ae83682c282567dbb2d7da062784d2
sha1	fae75e2b57cfe84ba803c8c6733bd20c3ceb0678
sha256	d349f898ecc8ebceb009608ebeef3c1209a3bf3ef6cbe70c31fff2d56aa90b75
sha512	23a54d5fa166ad98a94fd5c23fedb95d9030987e57b04f58b92b65ba831b9b05da9fd10f5c50cf6112260d1de2498e4a48d792a7cd7ac12a834d577d6bd3b9e5
ripemd-160	480b6979a63b92033a82b93e03c4de21d1b51667

21249991 as geometric shapes

Circle

Radius = n

Diameter	42499982
Circumference	133517631.2289
Area	1.4186242309777E+15

Sphere

Radius = n

Volume	4.0194336187544E+22
Surface area	5.6744969239108E+15
Circumference	133517631.2289

Square

Length = n

Perimeter	84999964
Area	451562117500081
Diagonal	30052025.472506

Cube

Length = n

Surface area	2709372705000486
Volume	9.5956909328177E+21
Space diagonal	36806064.072381

Equilateral Triangle

Length = n

Perimeter	63749973
Area	1.9553213257088E+14
Altitude	18403032.036191

Triangular Pyramid

Length = n

Surface area	1.9553213257088E+14
Volume	1.1308630214609E+21
Height	10017341.824169