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

21490897 (number)

21490897 is an odd 8-digits prime number following 21490896 and preceding 21490898. In scientific notation, it is written as 2.1490897 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 21490896 positive integers (up to 21490897) that are relatively prime to 21490897.

Interesting facts

21490897 has 2 divisors, whose sum is 21490898
The reverse of 21490897 is 79809412
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty-one million four hundred ninety thousand eight hundred ninety-seven

Notation

Scientific notation	2.1490897 × 10^7
Engineering notation	2.1490897 × 10^6

Prime Factorization of 21490897

Prime Factorization 21490897

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21490897	Product of the distinct prime numbers

The prime factorization of 21490897 is 21490897. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 2, 55, 68, 91, 877, 8481, 4477, 23964, 83151, 399907, 736795, 5771863, 5122914, 46031345, 72454409, 282182105, 836122577, 6713530509, 6602204561

Basic calculations (n = 21490897)

Multiplication

n×y

n×2	42981794
n×3	64472691
n×4	85963588
n×5	107454485

Division

n÷y

n÷2	10745448.5
n÷3	7163632.3333333
n÷3	5372724.25
n÷5	4298179.4

Exponentiation

n^y

n²	461858653864609
n³	9.925756758763E+21
n⁴	2.1331341614963E+29
n⁵	4.5842966551898E+36

Nth Root

^y√n

²√n	4635.82754209
³√n	278.02563899275
⁴√n	68.086911679779
⁵√n	29.271899711416

Divisors of 21490897

1, 21490897

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21490898	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10745449	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4635.8276499456	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999069373	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490897 can be divided by 2 positive divisors. The sum of these divisors (counting 21490897) is 21490898, the average is 10745449.

Base conversion 21490897

Base	System	Value
2	Binary	1010001111110110011010001
3	Ternary	1111102211222011
4	Quaternary	1101332303101
5	Quinary	21000202042
6	Senary	2044342521
8	Octal	121766321
10	Decimal	21490897
12	Duodecimal	7244a41
16	Hexadecimal	147ecd1
20	Vigesimal	6e674h
36	Base36	csmhd

Cryptographic Hash Functions

md5	0c8425c57a32b11060b6ab2aa1b5997c
sha1	129dfa2b598e91a880e7795513397f2f68b545d3
sha256	3897e5918c3cc750e756c2d35fa43349125e55f85eaba73ace581e485dc50deb
sha512	b5f4195cd826deed5f05c96954e416182c6caea6c7131f3cf78fe546c28ae24a2134fa28264a1f119c37e215e60b9ffd1bfa88fac0ca634e3d822f3c1e2c6ddf
ripemd-160	0db77bb48cc86f6ff830ae422c476b5c24ad54a2

21490897 as geometric shapes

Circle

Radius = n

Diameter	42981794
Circumference	135031288.26851
Area	1.4509717539779E+15

Sphere

Radius = n

Volume	4.1576912686199E+22
Surface area	5.8038870159117E+15
Circumference	135031288.26851

Square

Length = n

Perimeter	85963588
Area	461858653864609
Diagonal	30392718.004963

Cube

Length = n

Surface area	2771151923187654
Volume	9.925756758763E+21
Space diagonal	37223325.50423

Equilateral Triangle

Length = n

Perimeter	64472691
Area	1.9999066360222E+14
Altitude	18611662.752115

Triangular Pyramid

Length = n

Surface area	1.9999066360222E+14
Volume	1.1697616520882E+21
Height	10130906.001654