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

20390915 (number)

20390915 is an odd 8-digits composite number following 20390914 and preceding 20390916. In scientific notation, it is written as 2.0390915 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 15750112 positive integers (up to 20390915) that are relatively prime to 20390915.

Interesting facts

20390915 has 8 divisors, whose sum is 25313040
The reverse of 20390915 is 51909302
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million three hundred ninety thousand nine hundred fifteen

Notation

Scientific notation	2.0390915 × 10^7
Engineering notation	2.0390915 × 10^6

Prime Factorization of 20390915

Prime Factorization 5 × 29 × 140627

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20390915	Product of the distinct prime numbers

The prime factorization of 20390915 is 5 × 29 × 140627. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 62, 39, 800, 50, 5297, 4313, 17244, 7887, 882330, 941069, 5985061, 6586377, 29920129, 85949910, 70534922, 797959906, 5890266150, 6845425362

Basic calculations (n = 20390915)

Multiplication

n×y

n×2	40781830
n×3	61172745
n×4	81563660
n×5	101954575

Division

n÷y

n÷2	10195457.5
n÷3	6796971.6666667
n÷3	5097728.75
n÷5	4078183

Exponentiation

n^y

n²	415789414537225
n³	8.4783266097283E+21
n⁴	1.7288083724121E+29
n⁵	3.5251984573143E+36

Nth Root

^y√n

²√n	4515.6300778518
³√n	273.19887381661
⁴√n	67.198438061102
⁵√n	28.965921065377

Divisors of 20390915

1, 5, 29, 145, 140627, 703135, 4078183, 20390915

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20390914	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20390915 can be divided by 8 positive divisors. The sum of these divisors (counting 20390915) is 1, the average is 0.125.

Base conversion 20390915

Base	System	Value
2	Binary	1001101110010010000000011
3	Ternary	1102100222002002
4	Quaternary	1031302100003
5	Quinary	20210002130
6	Senary	2005014215
8	Octal	115622003
10	Decimal	20390915
12	Duodecimal	69b436b
16	Hexadecimal	1372403
20	Vigesimal	678h5f
36	Base36	c51qb

Cryptographic Hash Functions

md5	71d05db7d477b46bf0801bf489e0db4f
sha1	3dd6c672afdb1e6e9173a44ffdefdc2783a0bdb6
sha256	fe1a177de1096d8a5cd39714beaa071994d1732f0a1d2f8d08f0c91f81ac3c00
sha512	639bd7051c77c69aebef777a04edd0e66acb3ff8df24e1d133c62ada3f13c0ec0f3791ee8d3aca98397c55b5516ab60ed3a2cdd720ed13f6e53d74a0c2774315
ripemd-160	f0b00df22cf6d888b67edec7710037b694b4f2bd

20390915 as geometric shapes

Circle

Radius = n

Diameter	40781830
Circumference	128119897.52795
Area	1.3062409701505E+15

Sphere

Radius = n

Volume	3.551393145581E+22
Surface area	5.2249638806022E+15
Circumference	128119897.52795

Square

Length = n

Perimeter	81563660
Area	415789414537225
Diagonal	28837108.542197

Cube

Length = n

Surface area	2494736487223350
Volume	8.4783266097283E+21
Space diagonal	35318100.792818

Equilateral Triangle

Length = n

Perimeter	61172745
Area	1.8004209780695E+14
Altitude	17659050.396409

Triangular Pyramid

Length = n

Surface area	1.8004209780695E+14
Volume	9.9918037314221E+20
Height	9612369.5140657