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

21491025 (number)

21491025 is an odd 8-digits composite number following 21491024 and preceding 21491026. In scientific notation, it is written as 2.1491025 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 11461840 positive integers (up to 21491025) that are relatively prime to 21491025.

Interesting facts

21491025 has 4 divisors, whose sum is 21777648
The reverse of 21491025 is 52019412
Previous prime number is 75

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty-one million four hundred ninety-one thousand twenty-five

Notation

Scientific notation	2.1491025 × 10^7
Engineering notation	2.1491025 × 10^6

Prime Factorization of 21491025

Prime Factorization 75 × 286547

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491025	Product of the distinct prime numbers

The prime factorization of 21491025 is 75 × 286547. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 22, 31, 974, 200, 4607, 2664, 34605, 46803, 728098, 250594, 348374, 6559153, 24955485, 69157413, 805572120, 967186634, 178920519, 5144026339

Basic calculations (n = 21491025)

Multiplication

n×y

n×2	42982050
n×3	64473075
n×4	85964100
n×5	107455125

Division

n÷y

n÷2	10745512.5
n÷3	7163675
n÷3	5372756.25
n÷5	4298205

Exponentiation

n^y

n²	461864155550625
n³	9.9259341135424E+21
n⁴	2.1331849818249E+29
n⁵	4.5844331774024E+36

Nth Root

^y√n

²√n	4635.8413475873
³√n	278.02619096616
⁴√n	68.087013061136
⁵√n	29.271934580079

Divisors of 21491025

1, 75, 286547, 21491025

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	-21491024	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 21491025 can be divided by 4 positive divisors. The sum of these divisors (counting 21491025) is 1, the average is 0.25.

Base conversion 21491025

Base	System	Value
2	Binary	1010001111110110101010001
3	Ternary	1111102212010220
4	Quaternary	1101332311101
5	Quinary	21000203100
6	Senary	2044343253
8	Octal	121766521
10	Decimal	21491025
12	Duodecimal	7244b29
16	Hexadecimal	147ed51
20	Vigesimal	6e67b5
36	Base36	csmkx

Cryptographic Hash Functions

md5	b7680cc4ec7899923b1ad04ac4ffcd5d
sha1	ba066a5eed4287bec0d59679b608820874a277c0
sha256	d6d3c75b4a4303741b7199d972b0d6b183cfadddf053d355788da1497870b43e
sha512	20b63efe67bdbce496e33eef235d8803bcf3ee03277dec7eab5e386fc30d098f2a838a0e9b927e1b2a04db37f11f805202deeb63af51fdd84d96f07e0b049f02
ripemd-160	aeaff9a20ffa008e708345715519180b5366c31b

21491025 as geometric shapes

Circle

Radius = n

Diameter	42982050
Circumference	135032092.51623
Area	1.4509890380343E+15

Sphere

Radius = n

Volume	4.1577655588161E+22
Surface area	5.8039561521372E+15
Circumference	135032092.51623

Square

Length = n

Perimeter	85964100
Area	461864155550625
Diagonal	30392899.024299

Cube

Length = n

Surface area	2771184933303750
Volume	9.9259341135424E+21
Space diagonal	37223547.206733

Equilateral Triangle

Length = n

Perimeter	64473075
Area	1.9999304590214E+14
Altitude	18611773.603366

Triangular Pyramid

Length = n

Surface area	1.9999304590214E+14
Volume	1.1697825535494E+21
Height	10130966.341433