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

20402949 (number)

20402949 is an odd 8-digits composite number following 20402948 and preceding 20402950. In scientific notation, it is written as 2.0402949 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 11658816 positive integers (up to 20402949) that are relatively prime to 20402949.

Interesting facts

20402949 has 4 divisors, whose sum is 21374540
The reverse of 20402949 is 94920402
Previous prime number is 21

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million four hundred two thousand nine hundred forty-nine

Notation

Scientific notation	2.0402949 × 10^7
Engineering notation	2.0402949 × 10^6

Prime Factorization of 20402949

Prime Factorization 21 × 971569

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20402949	Product of the distinct prime numbers

The prime factorization of 20402949 is 21 × 971569. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 45, 58, 836, 240, 8944, 1288, 7953, 49572, 657232, 713918, 8698132, 7211739, 56859915, 46037614, 127668210, 818346625, 4476778540, 8052490607

Basic calculations (n = 20402949)

Multiplication

n×y

n×2	40805898
n×3	61208847
n×4	81611796
n×5	102014745

Division

n÷y

n÷2	10201474.5
n÷3	6800983
n÷3	5100737.25
n÷5	4080589.8

Exponentiation

n^y

n²	416280327896601
n³	8.4933462997776E+21
n⁴	1.732893113937E+29
n⁵	3.5356129826108E+36

Nth Root

^y√n

²√n	4516.9623642444
³√n	273.2526073658
⁴√n	67.208350405618
⁵√n	28.969339191895

Divisors of 20402949

1, 21, 971569, 20402949

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	-20402948	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 20402949 can be divided by 4 positive divisors. The sum of these divisors (counting 20402949) is 1, the average is 0.25.

Base conversion 20402949

Base	System	Value
2	Binary	1001101110101001100000101
3	Ternary	1102101120120210
4	Quaternary	1031311030011
5	Quinary	20210343244
6	Senary	2005150033
8	Octal	115651405
10	Decimal	20402949
12	Duodecimal	69bb319
16	Hexadecimal	1375305
20	Vigesimal	67a779
36	Base36	c5b0l

Cryptographic Hash Functions

md5	7b2c9e4f14e8dd6bd524ef272de7f374
sha1	c5b5cd3d973934e62d34af44e5a397f6c865cfa5
sha256	aee8f75f10b684fcd994a299caee63ae30f9c0b62a5a333bd0ed9c61c0bc4e49
sha512	a3c2639e4766c78baf65d534a267ef33251fe6bfd665bd7d12c32ce78bee67b6a924c05b5cb94e2269b2933cbd8d9f42d25060290a219addc8d5c2b38bb10d7f
ripemd-160	879ef18abb4eb8343fc674376de2d674da5dab12

20402949 as geometric shapes

Circle

Radius = n

Diameter	40805898
Circumference	128195509.37993
Area	1.3077832199539E+15

Sphere

Radius = n

Volume	3.5576845786367E+22
Surface area	5.2311328798156E+15
Circumference	128195509.37993

Square

Length = n

Perimeter	81611796
Area	416280327896601
Diagonal	28854127.188207

Cube

Length = n

Surface area	2497681967379606
Volume	8.4933462997776E+21
Space diagonal	35338944.292237

Equilateral Triangle

Length = n

Perimeter	61208847
Area	1.8025466952709E+14
Altitude	17669472.146118

Triangular Pyramid

Length = n

Surface area	1.8025466952709E+14
Volume	1.0009504605897E+21
Height	9618042.3960689