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

21249989 (number)

21249989 is an odd 8-digits composite number following 21249988 and preceding 21249990. In scientific notation, it is written as 2.1249989 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 20964160 positive integers (up to 21249989) that are relatively prime to 21249989.

Interesting facts

21249989 has 8 divisors, whose sum is 21537792
The reverse of 21249989 is 98994212
Previous prime number is 113

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	2.1249989 × 10^7
Engineering notation	2.1249989 × 10^6

Prime Factorization of 21249989

Prime Factorization 491 × 113 × 383

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21249989	Product of the distinct prime numbers

The prime factorization of 21249989 is 491 × 113 × 383. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 55, 88, 196, 916, 1154, 5923, 3548, 84572, 443288, 989915, 8826562, 4377373, 7754043, 40562428, 482696218, 611094463, 6861458927, 9084186734

Basic calculations (n = 21249989)

Multiplication

n×y

n×2	42499978
n×3	63749967
n×4	84999956
n×5	106249945

Division

n÷y

n÷2	10624994.5
n÷3	7083329.6666667
n÷3	5312497.25
n÷5	4249997.8

Exponentiation

n^y

n²	451562032500121
n³	9.5956882234452E+21
n⁴	2.0390826919564E+29
n⁵	4.3330484774164E+36

Nth Root

^y√n

²√n	4609.7710355288
³√n	276.98286504458
⁴√n	67.895294649399
⁵√n	29.205977205287

Divisors of 21249989

1, 113, 383, 491, 43279, 55483, 188053, 21249989

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	-21249988	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 21249989 can be divided by 8 positive divisors. The sum of these divisors (counting 21249989) is 1, the average is 0.125.

Base conversion 21249989

Base	System	Value
2	Binary	1010001000011111111000101
3	Ternary	1110222121111122
4	Quaternary	1101003333011
5	Quinary	20414444424
6	Senary	2035243325
8	Octal	121037705
10	Decimal	21249989
12	Duodecimal	7149545
16	Hexadecimal	1443fc5
20	Vigesimal	6cg4j9
36	Base36	cnglh

Cryptographic Hash Functions

md5	3fdc875f6ae665e80be2f146e193a95e
sha1	e997a11116a78c9bdccd47398f6a6397b1f3db2f
sha256	cc8eea4adc2cc04a9b7214c896967dca1e22d2346b8c2f637a42fa564dabfbbd
sha512	a40f5fc15e452eaa579148be1bf6d20b2c8bcb6eaff61d1de485355264300ca05386e9a024ff3dfcb7a2a3a0b30815247efa834af1b831917576783ca19ad314
ripemd-160	a8bca4d2eb9276e50cc0a9914eab20bbd577fcb1

21249989 as geometric shapes

Circle

Radius = n

Diameter	42499978
Circumference	133517618.66253
Area	1.4186239639425E+15

Sphere

Radius = n

Volume	4.0194324838551E+22
Surface area	5.6744958557698E+15
Circumference	133517618.66253

Square

Length = n

Perimeter	84999956
Area	451562032500121
Diagonal	30052022.644079

Cube

Length = n

Surface area	2709372195000726
Volume	9.5956882234452E+21
Space diagonal	36806060.60828

Equilateral Triangle

Length = n

Perimeter	63749967
Area	1.9553209576482E+14
Altitude	18403030.30414

Triangular Pyramid

Length = n

Surface area	1.9553209576482E+14
Volume	1.1308627021583E+21
Height	10017340.88136