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

21291247 (number)

21291247 is an odd 8-digits prime number following 21291246 and preceding 21291248. In scientific notation, it is written as 2.1291247 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 21291246 positive integers (up to 21291247) that are relatively prime to 21291247.

Interesting facts

21291247 has 2 divisors, whose sum is 21291248
The reverse of 21291247 is 74219212
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.1291247 × 10^7
Engineering notation	2.1291247 × 10^6

Prime Factorization of 21291247

Prime Factorization 21291247

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21291247	Product of the distinct prime numbers

The prime factorization of 21291247 is 21291247. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 2, 17, 36, 16, 735, 8811, 8925, 74958, 86894, 461111, 174022, 3491484, 8736576, 68896351, 81149399, 548462375, 233807038, 5160293022, 7616510055

Basic calculations (n = 21291247)

Multiplication

n×y

n×2	42582494
n×3	63873741
n×4	85164988
n×5	106456235

Division

n÷y

n÷2	10645623.5
n÷3	7097082.3333333
n÷3	5322811.75
n÷5	4258249.4

Exponentiation

n^y

n²	453317198815009
n³	9.6516884493185E+21
n⁴	2.0549648274149E+29
n⁵	4.3752763716802E+36

Nth Root

^y√n

²√n	4614.2439250651
³√n	277.16200821407
⁴√n	67.928226276454
⁵√n	29.217309403931

Divisors of 21291247

1, 21291247

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21291248	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10645624	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4614.2440334252	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999060647	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291247 can be divided by 2 positive divisors. The sum of these divisors (counting 21291247) is 21291248, the average is 10645624.

Base conversion 21291247

Base	System	Value
2	Binary	1010001001110000011101111
3	Ternary	1111001201002201
4	Quaternary	1101032003233
5	Quinary	20422304442
6	Senary	2040202331
8	Octal	121160357
10	Decimal	21291247
12	Duodecimal	71693a7
16	Hexadecimal	144e0ef
20	Vigesimal	6d1827
36	Base36	cocfj

Cryptographic Hash Functions

md5	a7663dbca2bbbb7dcfd0e4b7337ff21c
sha1	a58d59ecc85d51748f863b119c9ffb7de0e8a13a
sha256	1ae5a0bc781d14de43afda559342ecbd8b4bcfd1268f46fcfdd69fd31fb634e9
sha512	e3185f953725acd55bded6a4244f1d7e132ab917eb60fb058eadaff8f41307d268c1017f3dfdec607622816fb1dc1936931dd5f4d889a227daebf595fb4e79f1
ripemd-160	424b8441e595b2b7db161375388c9b9c84c28dbb

21291247 as geometric shapes

Circle

Radius = n

Diameter	42582494
Circumference	133776850.32193
Area	1.4241379815431E+15

Sphere

Radius = n

Volume	4.0428898036155E+22
Surface area	5.6965519261725E+15
Circumference	133776850.32193

Square

Length = n

Perimeter	85164988
Area	453317198815009
Diagonal	30110370.267235

Cube

Length = n

Surface area	2719903192890054
Volume	9.6516884493185E+21
Space diagonal	36877521.560498

Equilateral Triangle

Length = n

Perimeter	63873741
Area	1.962921050731E+14
Altitude	18438760.780249

Triangular Pyramid

Length = n

Surface area	1.962921050731E+14
Volume	1.1374623920688E+21
Height	10036790.089078