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

20407921 (number)

20407921 is an odd 8-digits prime number following 20407920 and preceding 20407922. In scientific notation, it is written as 2.0407921 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 20407920 positive integers (up to 20407921) that are relatively prime to 20407921.

Interesting facts

20407921 has 2 divisors, whose sum is 20407922
The reverse of 20407921 is 12970402
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million four hundred seven thousand nine hundred twenty-one

Notation

Scientific notation	2.0407921 × 10^7
Engineering notation	2.0407921 × 10^6

Prime Factorization of 20407921

Prime Factorization 20407921

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20407921	Product of the distinct prime numbers

The prime factorization of 20407921 is 20407921. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 1, 95, 7, 237, 165, 1554, 2225, 40083, 80784, 59661, 642099, 7167534, 8920066, 5753243, 29482967, 814973333, 362628115, 6045924716, 9408465042

Basic calculations (n = 20407921)

Multiplication

n×y

n×2	40815842
n×3	61223763
n×4	81631684
n×5	102039605

Division

n÷y

n÷2	10203960.5
n÷3	6802640.3333333
n÷3	5101980.25
n÷5	4081584.2

Exponentiation

n^y

n²	416483239542241
n³	8.4995570504021E+21
n⁴	1.734582888196E+29
n⁵	3.5399230550256E+36

Nth Root

^y√n

²√n	4517.5127005909
³√n	273.27480189625
⁴√n	67.21244453664
⁵√n	28.970750963462

Divisors of 20407921

1, 20407921

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20407922	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10203961	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4517.5128112713	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999019988	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20407921 can be divided by 2 positive divisors. The sum of these divisors (counting 20407921) is 20407922, the average is 10203961.

Base conversion 20407921

Base	System	Value
2	Binary	1001101110110011001110001
3	Ternary	1102101211101221
4	Quaternary	1031312121301
5	Quinary	20211023141
6	Senary	2005225041
8	Octal	115663161
10	Decimal	20407921
12	Duodecimal	6a02181
16	Hexadecimal	1376671
20	Vigesimal	67ajg1
36	Base36	c5eup

Cryptographic Hash Functions

md5	7423a37ab0918897ff0fdbf6cccf9b7b
sha1	914d82031528f7a74b439c85076c2c46b2115c18
sha256	57cf0ef35be3be5142f07b436de4ea47c5a6dd6c31876295b9381b853709cf60
sha512	698e20518b2b6851692a224aea02a1b1bce0e7aa83d64254a4cf418aad61ea67810a0e080076e751da2b683e76d85f9ec072107d208847fb1c3c8aaf44093827
ripemd-160	ca72d00ce8c4fe839b1f5f6e15cd4e4b3182738d

20407921 as geometric shapes

Circle

Radius = n

Diameter	40815842
Circumference	128226749.37728
Area	1.3084206856892E+15

Sphere

Radius = n

Volume	3.5602861317748E+22
Surface area	5.2336827427567E+15
Circumference	128226749.37728

Square

Length = n

Perimeter	81631684
Area	416483239542241
Diagonal	28861158.658039

Cube

Length = n

Surface area	2498899437253446
Volume	8.4995570504021E+21
Space diagonal	35347556.048852

Equilateral Triangle

Length = n

Perimeter	61223763
Area	1.8034253284701E+14
Altitude	17673778.024426

Triangular Pyramid

Length = n

Surface area	1.8034253284701E+14
Volume	1.0016824045702E+21
Height	9620386.2193462