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

21640897 (number)

21640897 is an odd 8-digits composite number following 21640896 and preceding 21640898. In scientific notation, it is written as 2.1640897 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 21528576 positive integers (up to 21640897) that are relatively prime to 21640897.

Interesting facts

21640897 has 4 divisors, whose sum is 21753220
The reverse of 21640897 is 79804612
Previous prime number is 193

Basic properties

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

Name

Name	twenty-one million six hundred forty thousand eight hundred ninety-seven

Notation

Scientific notation	2.1640897 × 10^7
Engineering notation	2.1640897 × 10^6

Prime Factorization of 21640897

Prime Factorization 193 × 112129

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21640897	Product of the distinct prime numbers

The prime factorization of 21640897 is 193 × 112129. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 7, 60, 456, 63, 6970, 7875, 6171, 64726, 318278, 734966, 631839, 4126412, 31458830, 18947605, 338336588, 526470238, 920066057, 217903859

Basic calculations (n = 21640897)

Multiplication

n×y

n×2	43281794
n×3	64922691
n×4	86563588
n×5	108204485

Division

n÷y

n÷2	10820448.5
n÷3	7213632.3333333
n÷3	5410224.25
n÷5	4328179.4

Exponentiation

n^y

n²	468328422964609
n³	1.013504716355E+22
n⁴	2.1933151175652E+29
n⁵	4.7465306547771E+36

Nth Root

^y√n

²√n	4651.9777514515
³√n	278.67098499778
⁴√n	68.205408520524
⁵√n	29.312647917507

Divisors of 21640897

1, 193, 112129, 21640897

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	-21640896	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 21640897 can be divided by 4 positive divisors. The sum of these divisors (counting 21640897) is 1, the average is 0.25.

Base conversion 21640897

Base	System	Value
2	Binary	1010010100011011011000001
3	Ternary	1111201110201201
4	Quaternary	1102203123001
5	Quinary	21020002042
6	Senary	2051501201
8	Octal	122433301
10	Decimal	21640897
12	Duodecimal	72b7801
16	Hexadecimal	14a36c1
20	Vigesimal	6f524h
36	Base36	cvu81

Cryptographic Hash Functions

md5	6be9ba0efd26128efd8f76c244131b32
sha1	de588b5e6ecd6b99d6bdd7e1f4437f8c4a391e49
sha256	b46d39013e646786ea1b396d6d3bdd16cd6a73c5e9e0bc5444fb7529e839dc2c
sha512	fbb73f1e733e47ccaadc537ab6d5e257c6c60b3f16563dc7e2c3c419781920356e4fb3630b1a2816bd1334e2533e14b8f594683013a0fb18393a3385fd81d890
ripemd-160	7221acdd086413b4a42e91d34d7858cfe00f2c65

21640897 as geometric shapes

Circle

Radius = n

Diameter	43281794
Circumference	135973766.06459
Area	1.4712971330529E+15

Sphere

Radius = n

Volume	4.2453586283724E+22
Surface area	5.8851885322116E+15
Circumference	135973766.06459

Square

Length = n

Perimeter	86563588
Area	468328422964609
Diagonal	30604850.039319

Cube

Length = n

Surface area	2809970537787654
Volume	1.013504716355E+22
Space diagonal	37483133.125365

Equilateral Triangle

Length = n

Perimeter	64922691
Area	2.0279215580083E+14
Altitude	18741566.562682

Triangular Pyramid

Length = n

Surface area	2.0279215580083E+14
Volume	1.1944267628319E+21
Height	10201616.679773